TM-55-4920-234-15

TM-55-4920-234-15
TM 55-4920-234-15
DEPARTMENT OF THE ARMY TECHNICAL MANUAL
ORGANIZATIONAL, DS, GS, AND DEPOT
MAINTENANCE MANUAL
TESTER, STARTER TORQUE, TYPE B-1
PART NO. RT320-200
FSN 4920-739-4584
This publication is a reprint of TM 55-4920-234-15,
26 February 1965, including changes 1 and 2.
HEADQUARTERS
DEPARTMENT OF THE ARMY
1965
SAFETY PRECAUTIONS
Do not allow starter torque tester to become overbalanced during
loading operations or damage to the equipment or injury to personnel may
occur.
Make certain starter torque tester is firmly secured to carrier, as
movement during shipment may cause the starter torque tester to be
damaged, injury or death to personnel on the carrier, or damage to the
carrier.
TM 55-4920-234-15
C2
CHANGE
HEADQUARTERS
DEPARTMENT OF THE ARMY
WASHINGTON, D. C., 2 February 1972
No. 2,
Organizational, DS, GS, and Depot Maintenance Manual
TESTER, STARTER TORQUE, TYPE B-1
PART NO. RT320-200, FSN 4920-739-4584
TM 55-4920-234-15, 26 February 1965, is changed as follows:
Pages 25 and 26. Paragraphs 65 through 69 are deleted in their entirety. The following sentence is added after
"Section III. Demolition of Materiel to Prevent Enemy Use": (Refer to TM 750-244-1-4 for demolition instructions).
Page 26. Figure 17 is deleted.
By Order of the Secretary of the Army:
W. C. WESTMORELAND,
General, United States Army,
Chief of Staff.
Official:
VERNE L. BOWERS,
Major General, United States Army,
The Adjutant General.
DISTRIBUTION:
To be distributed in accordance with DA Form 12-31 (qty rqr block No. 94) requirements for Organizational
Maintenance Instructions for all Fixed and Rotor Wing Aircraft.
1
TM 55-4920-234-15
C1
Organizational, DS, GS, and Depot
Maintenance Manual
TESTER, STARTER TORQUE TYPE B-1
CHANGE
HEADQUARTERS
DEPARTMENT OF THE ARMY
Washington, D.C., 19 April 1967
NO. 1
TM 55-4920-234-15, 26 February 1965, is changed as follows:
Page 30. Appendix III, is superseded as follows-
APPENDIX III
REPAIR PARTS AND SPECIAL TOOLS LISTS
SECTION
I
II
III
IV
DESCRIPTION
Introduction ...........................................................................................
Illustrated Parts List ...............................................................................
Special Tools List - ................................................................................
Cross--Reference Indices
Part I Alpha-Numerical Part Number Index ............................................
Part II Numerical Stock Number Index ..................................................
PAGE
30
32
33
34
35
SECTION I
INTRODUCTION
1. General
3. Explanation of Columns
This appendix lists the repair parts and
maintenance supplies authorized and required for
organizational through depot maintenance of the Tester,
Starter Torque, Part No. RT320-200, FSN 4920-7394584. This is the authority to requisition. It supplements
tables of equipment and allowances and other
applicable authorization documents. The quantities of
repair parts and special tools required to be on hand or
on order at all times for performance of operator/crew
and organizational maintenance in units and/or
organizations constitute a prescribed load which will be
maintained in accordance with AR 735-35.
a. AMC Materiel Code-Materiel Basic Number.
Items which are the logistic responsibility of a
commodity command, other than U. S. Army Aviation
Materiel Command (USAAVCOM), are indicated by the
basic number assigned to the commodity command.
This basic number used is 9-Ordnance Materiel.
b. Source Code. Source codes are shown in this
column as assigned to items by USAAVCOM. The code
symbols indicate the selection status and source of
supply for each repair part as defined hereinafter: Code
P applies to repair parts which are high mortality parts;
stocked in and supplied from the service depot system,
and authorized for use at indicated maintenance
categories.
2. Arrangement
This appendix consists of four sections, as
follows-
c. Maintenance Level Code. The
used in the maintenance level column
lowest maintenance category authorized
repair parts.
Capabilities of higher
categories are considered equal or better.
Section I Introduction
Section II Illustrated Parts List. All
repair parts are listed in
disassembly order and indented
when required to indicate
relationship to the next higher
assembly.
Items appearing
more than once in an assembly
will be repeated to show
relationship to the illustration.
Illustrations appear in the
maintenance portion of this
manual.
(1) Code F--Direct
category.
support
code symbol
indicates the
to install the
maintenance
maintenance
(2) Code H--General support maintenance
category.
d. Recoverability Code.
Recoverability codes
reflect the recoverability or reparability characteristics of
repair parts upon removal from equipment at time of
maintenance, repair, or overhaul.
Section III Special Tools List
Section IV Cross-Reference Indices.
This section is divided into two
parts as follows-
(1) Code R applies to repair parts and
assemblies which are economically
reparable at direct and general support
maintenance activities and normally are
furnished by supply on an exchange
basis.
a. Part I., the alpha-numerical part number index
contains a listing of all part numbers appearing in the
text pages of this manual. Cross-reference is made to
figure and index numbers, federal stock number, federal
supply (ode for manufacturer, and item name.
(2) Repair parts and assemblies not assigned
a recoverability code shall be considered
"throwaway" items.
b. Part 11. federal stock number cross-reference
index is arranged in numerical order by, stock number.
Cross-reference is made to figure and index numbers,
part number, federal supply code for manufacturer, and
item name
e. Federal Stock Number.
The federal stock
number consists of the applicable 4-digit FSC code
number plus the 7-digit federal item identification
number, and is to be utilized for
30
P/N ............ Part number
SAE ........... Society of automotive engineers
STD ........... Standard(s)
requisitioning, storage, and accountability purposes.
f. Description. This column furnishes the item
name, a brief description, when necessary, and
authorized abbreviations or dimensions when required
to provide further identification. A comma will be used
to separate the basic noun or noun phrase from its
modifiers.
As an additional reference, the
manufacturer's part number is indicated following the
description.
g. Unit of Issue. This column lists the standard or
the basic quantity in which the item is issued (each,
pound, set, etc.).
h. Quantity per Assembly.
Quantities in this
column are those required for one assembly only,
including instances when similar assemblies are broken
down together.
i. Quantity Authorized.
An asterisk * code
contained within this column indicates that the item is
authorized for use at that level, but is not authorized to
be stocked, assembled, or manufactured. When such
an item is required, it must be requisitioned for
immediate use only from the next higher maintenance
category.
j. Figure and Index Numbers. When applicable,
the numbers which appear in the last right-hand column
of each text page, key items contained in the text to the
proper part on the appropriate illustration. This enables
ready reference from illustration to text and from text to
illustration. Figure and index numbers are also shown in
the indices for every part which appears in the manual.
This provides a reference to the proper illustration and
item on the text listing. When a breakdown covers both
left and right-hand assemblies, only the left-hand parts
are indexed and illustrated.
5. Federal Supply Code for Manufacturer
Manufacturer and Locations
26337
GREER HYDRAULICS INC 59.30
W JEFFERSON BLVD LOS ANGELES
CALIF 900016
STEWART-WARNER CORP 1826
DIVERSEY PARKWAY CHICAGO ILL
60614
AERONAUTICAL STANDARDS GROUP
DEPT OF NAVY AND AIR FORCE
MILITARY STANDARDS
PROMULGATED BY STANDARDIZATION DIV DIRECTORATE OF
LOGISTIC SERVICES DSA
57733
88044
96906
6.How to Find a Part
a. When the Part Number is Known. Locate the
part number in the alpha-numerical part number index.
section IV, part I of this appendix. Note the figure and
index number indicating where the part is shown in the
illustrated parts list. Turn to the figure and index
number on appropriate page indicated to obtain the
desired information.
b. When the Stock Number is Known, locate the
stock number in the numerical stock number index,
section IV, part II of this appendix. Note the figure and
index number indicating where the part is shown in the
illustrated parts list. Turn to the figure and index
number on appropriate page to obtain the desired
information.
c. When Neither the Part Number Nor the Stock
Number for an Item is Known. Refer to the exploded
view of the starter torque tester (fig. 5) and select the
required part. Note the index number referenced to the
item. Turn to section IV and note the index number of
the part. On indicated page and opposite the index
number will be shown the stock number or part number,
item name, and all other necessary information.
4. Abbreviations
The following abbreviations are used
AN .............
ASSY .........
EA .............
IN...............
LG..............
MTG .........
NC .............
NO .............
Code
Air Force-Navy
Assembly(ies)
Each
Inch(es)
Length (long)
Mounting(s)
American national coarse thread
Number(s)
31
TM 55-4920-234-15
Source codes
Materiel
9
9
9
Source
Maintenance
Illustrations
Recoverability
R
Federal
Stock No.
P
H
4920-739-4584
P
F
4920-056-0534
P
F
5306-702-9955
P
F
4920-056-0538
P
F
4920-056-0539
P
P
P
P
P
P
F
F
F
F
F
F
4920-511-8428
4920-511-8407
4920-511-8408
4920-511-8409
4920-511-8410
4920-511-8404
P
F
4920-398-1175
P
F
4920-398-1372
P
F
4920-398-1374
P
F
4920-398-1371
P
F
4920-098-6540
P
F
4920-303-0606
P
F
4920-098-6539
P
F
4920-398-1373
P
P
P
P
P
P
P
F
F
F
F
F
F
F
5310-982-6808
5315-059-0491
6680-680-4864
4920-099-8364
4920-513-6675
4920-056-0536
5310-167-0824
SECTION III ILLUSTRATED PARTS LIST
Description
TESTER, STARTER TORQUE, type B-1,
P/N RT320-200.
.ADAPTER, P/N DT320-247
.ADAPTER, P/N DT320-294
.ARM, carrying, P/N GT320-263
.BASE AND FRAME ASSEMBLY
.BOLT, aircraft, brake assy mtg, P/N AN9-35A
.BOLT, aircraft, brake pressure control mtg,
P/N AN9-40A
.BRAKE ASSEMBLY, P/N H2-353
.BRAKE DRUM AND MOUNTING PLATE
ASSEMBLY, P/N DT320-256
.BRAKE PRESSURE CONTROL ASSEMBLY,
P/N BT320-265
.CABLE, P,'N 95000
.COUPLING, P/N BT320-25
.COUPLING, P/N BT320-29
.COUPLING, P/N BT320-297
.COUPLING, P/N BT320-28
.DRIVE ASSEMBLY, P/N BT320-204
.DRIVE ASSEMBLY. tachometer, reduction,
10 to 1 reduction. P/N 64B100 .
.HUB, carrying arm, P/N DT320-204
.JAW, three tooth, left hand large,
P/N BT320-255-2
.JAW, three tooth, left hand small,
P/N BT320-252-2
.JAW, three tooth, right hand large,
P/N BT320-255-1
.JAW, three tooth, right hand small,
P/N BT320-252-1
.JAW, twelve tooth, left hand large,
P/N BT320-254-2
.JAW, twelve(, tooth, left hand small,
P/N BT320-253-2
.JAW, twelve tooth, right hand large,
P/N BT320-254-1
.JAW, twelve tooth, right hand small,
P/N BT320-253-1
.KEY, drive shaft, brake drum mtg, P/N AT320-259
.LOCKNUT, ball bearing. sae No. n-11
.LOCKWASHER, std ball bearing, sae No. w-11
.NUT, SELF-LOCKING, HEXAGON,
P/N MS21044N9
2 EA brake pressure control mtg
5 EA brake assy mtg
.PIN, COTTER, torquemeter mtg,
P/N MS24665-372
.PIN, PIVOT, LOWER, torquemeter mtg,
P/N AT320-284
.PIN, PIVOT, UPPER, torquemeter mtg,
P/N AT320-235
.SCREW, cap, socket head, 5/16-18 NC3 X 2 in.
Ig, adapter mtg
.SCREW, cap, socket head, 5/16-18 NC3 X 2-3/8
in. Ig, coupling mtg
.SCREW, cap, socket head, 5/16-18 NC3 X 2-3/4
in. Ig, jaw mtg
.SCREW, cap, socket head, 5/16-18 NC3 X 2 in.
Ig, adapter mtg
TACHOMETER, P/N 870C
TORQUEMETER, P/N DT320-213
TORQUEMETER, P/N DT320-290
TORQUEMETER, P/N DT320-293
WASHER, PLAIN, P/N AN960-916
2 EA brake pressure control mtg
5 EA brake assy mtg
32
Unit
of
issue
Expend
ability
Qty
PerAssy-
Qty
Auth
Fig
No.
Item
No.
EA
EA
EA
EA
EA
EA
1
1
1
1
1
5
*
*
1
5
5
5
5
5
23
27
30
31
8
EA
EA
2
1
*
*
5
5
12
5
EA
1
5
1
EA
EA
EA
EA
EA
EA
EA
1
1
1
1
1
1
1
5
5
5
5
5
5
5
9
18
25
25
26
25
19
EA
EA
1
1
5
5
20
29
EA
1
*
5
21
EA
1
*
5
21
EA
1
*
5
21
EA
1
*
5
21
EA
1
*
5
21
EA
1
*
5
21
EA
1
*
6
21
EA
EA
EA
EA
1
2
1
1
*
5
5
5
5
21
4
2
3
EA
7
*
5
5
10
6
5
14
*
*
*
*
*
*
*
EA
4
*
EA
1
5
16
EA
1
5
15
EA
1
5
24
EA
1
5
26
EA
1
5
22
EA
EA
EA
EA
EA
EA
1
1
1
1
1
7
5
5
5
28
17
13
13
1
5
5
11
7
*
*
*
*
*
TM 55-4920-234-15
Source codes
Materiel
Source
Maintenance
Illustrations
Recoverability
Federal
Stock No.
SECTION III ILLUSTRATED PARTS LIST
Description
WRENCH, CLUTCH NUT, P/N BT320-285
WRENCH, CLUTCH NUT, P/N BT320-287
33
Unit
of
issue
EA
EA
Expend
ability
Qty
PerAssy-
1
1
Qty
Auth
Fig
No.
Item
No.
16
16
TM 55-4920-234-15
SECTION IV
CROSS-REFERENCE INDICES
PART ONE ALPHA-NUMERICAL PART NUMBER
PART
NUMBER
AN9-35A
AN9-40A
AN960-616
AN960-616
AT320-234
AT320-235
AT320-259
BT320-204
BT320-252-1
BT320-252-2
BT320-253-1
BT320-253-2
BT320-254-1
BT320-254-2
BT320-255-1
BT320-255-2
BT320-265
BT320-295
BT320-296
BT320-297
BT320-298
DT320-213
DT320-247
DT320-256
DT320-261
DT320-290
DT320-293
DT320-294
GT320-263
H2-253
MS21044N9
MS21044N9
MS24665-372
RT320-200
649B100
95000
FEDERAL
FEDERAL
MFR CODE STOCK NUMBER
88044
88044
88044
88044
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
74080
96906
96906
96906
26337
57733
5306-702-9955
5310-167-0824
5310-167-0824
4920-511-8401
4920-398-1371
4920-398-1372
4920-398-1373
4920-303-0606
4920-098-6539
4920-098-6540
4920-398-1374
4920-398-1375
4920-056-0539
4920-511-8407
4920-511-8408
4920-511-8409
4920-511-8410
4920-099-8364
4920-056-0534
4920-513-6675
4920-056-0536
4920-056-0538
5310-982-6808
5310-982-6808
5315-059-0491
4920-739-4584
4920-511-8428
ITEM NAME
FIGURE
AND INDEX
NUMBER
BOLT, AIRCRAFT
BOLT, AIRCRAFT
WASHER, PLAIN
WASHER, PLAIN
PIN, PIVOT
PIN, PIVOT
KEY, DRIVE SHAFT
DRIVE ASSEMBLY
JAW
JAW
JAW
JAW
JAW
JAW
JAW
JAW
BRAKE PRESSURE CONTROL ASSEMBLY
COUPLING
COUPLING
COUPLING
COUPLING
TORQUEMETER
ADAPTER
BRAKE DRUM
HUB
TORQUEMETER
TORQUEMETER
ADAPTER
ARM, CARRYING
BRAKE ASSEMBLY
NUT
NUT
PIN, COTTER
TESTER, STARTER TORQUE
DRIVE ASSEMBLY
CABLE
34
5-8
5-12
5-11
5-7
5-14
5-16
5-4
5-19
5-21
5-21
5-21
5-21
5-21
5-21
5-21
5-21
5-9
5-25
5-25
5-25
5-25
5-13
5-23
5-1
5-29
5-13
5-13
5-27
5-30
5-5
5-10
5-6
5-14
1
5-20
5-18
TM 55-4920-234-15
SECTION IV
CROSS-REFERENCE INDICES
PART TWO NUMERICAL STOCK NUMBER
FEDERAL
STOCK NUMBER
4920-056-0534
4920-056-0536
4920-056-0538
4920-056-0539
4920-098-6539
4920-098-6540
4920-099-8364
4920-303-0606
4920-398-1371
4920-298-1372
4920-398-1373
4920-398-1374
4920-398-1375
4920-511-8404
4920-511-8407
4920-511-8408
4920-511-8409
4920-511-8410
4920-511-8428
4920-513-6675
4920-739-4584
5306-702-9955
5310-167-0824
5310-167-0824
5310-982-6808
5310-982-6808
5315-059-0491
FEDERAL
MFR CODE
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
57733
26337
26337
88044
88044
88044
96906
96906
96906
PART
NUMBER
DT320-247
DT320-293
H2-253
BT320-265
BT320-254-1
BT320-254-2
DT320-213
BT320-253-2
BT320-252-1
BT320-252-2
BT320-253-1
BT320-255-1
BT320-255-2
BT320-204
BT320-295
BT320-296
BT320-297
BT320-298
95000
DT320-290
RT320-200
AN9-40A
AN960-616
AN960-616
MS21044N9
MS21044N9
MS24665-372
ITEM NAME
ADAPTER
TORQUEMETER
BRAKE ASSEMBLY
BRAKE PRESSURE CONTROL ASSEMBLY
JAW
JAW
TORQUEMETER
JAW
JAW
JAW
JAW
JAW
JAW
DRIVE ASSEMBLY
COUPLING
COUPLING
COUPLING
COUPLING
CABLE
TORQUEMETER
TESTER, STARTER TORQUE
BOLT, AIRCRAFT
WASHER, PLAIN
WASHER, PLAIN
NUT
NUT
PIN, COTTER
35
FIGURE
AND INDEX
NUMBER
5-23
5-13
5-5
5-9
5-21
5-21
5-13
5-21
5-21
5-21
5-21
5-21
5-21
5-4
5-25
5-25
6-25
5-25
5-18
5-13
1
5-12
5-11
5-7
5-10
5-6
5-14
By Order of the Secretary of the Army:
HAROLD K. JOHNSON,
General, United States Army,
Chief of Staff.
Official:
KENNETH G. WICKHAM.
Major General, United States Army,
The Adjutant General.
DISTRIBUTION:
To be distributed in accordance with DA Form 12-31 requirements for Operator and Crew Maintenance Instructions
for all Fixed Wing and Rotary Wing aircraft.
TM 55-4920-234-15
TECHNICAL MANUAL
No. 55-4920-234-15
HEADQUARTERS
DEPARTMENT OF THE ARMY
WASHINGTON D.C.
Organizational, Direct Support, General Support, and Depot Maintenance Manual
TESTER, STARTER TORQUE
TYPE B-1
PART NO. RT320-200
FSN 4920-739-4584
Paragraph
Page
CHAPTER 1
Section I
II
INTRODUCTION
General ...............................................................................................
Description and Data............................................................................
1,2
3-6
2
3
CHAPTER 2
Section I
II
III
IV
OPERATING INSTRUCTIONS
Service Upon Receipt of Equipment ...................................................
7-12
Controls and Instruments .................................................................... . 13-15
Operation Under Usual Conditions ...................................................... . 16-20
Operation of Components Used in Conjunction with Major End Item.... 21-23
5
7
8
12
CHAPTER 3
Section I
II
III
IV
V
CHAPTER 4
ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Special Tools and Equipment...............................................................
Lubrication ..........................................................................................
Preventive Maintenance Services .......................................................
Troubleshooting ...................................................................................
Organizational Maintenance Repair Instructions .................................. .
DIRECT SUPPORT, GENERAL SUPPORT, AND DEPOT
MAINTENANCE INSTRUCTIONS
Special Tools and Equipment ..............................................................
Trouble shooting .................................................................................
Removal and Installation of Major Components ..................................
Section I
II
III
24,25
26,27
28-30
31,32
33-38
14
14
16
17
17
39,40
41-44
45-47
20
20
20
CHAPTER 5
DIRECT SUPPORT, GENERAL SUPPORT, AND DEPOT
MAINTENANCE REPAIR INSTRUCTIONS
Section I
II
III
CHAPTER 6
48-51
52-55
56-60
22
22
23
Section I.
II
III
APPENDIX I
II
III
Brake Assembly ..................................................................................
Brake Pressure Control Assembly........................................................
Torquemeter .......................................................................................
SHIPMENT, LIMITED STORAGE, AND DEMOLITION TO
PREVENT ENEMY USE
Domestic Shipment .............................................................................
Limited Storage ..................................................................................
Demolition of Materiel to Prevent Enemy Use . ...................................
REFERENCES ...................................................................................
MAINTENANCE ALLOCATION CHART .............................................
REPAIR PARTS AND SPECIAL TOOLS LISTS ..................................
61,62
63,64
65-69
1-5
1-5
1-6
24
25
25
27
28
30
INDEX
............................................................................................................
-----
38
1
CHAPTER 1
INTRODUCTION
Section I. GENERAL
1. SCOPE
d. Appendix III. Appendix III lists the repair parts
and special tools list. It is comprised of maintenance
accessories, tools, supplies, spare assemblies, repair
parts, and the quantities authorized maintenance
personnel.
e. Recommendations.
The direct reporting of
errors, omissions, and recommendations for improving
this technical manual by the individual user is authorized
and encouraged. DA Form 2028 will be used for
reporting these improvements. This form may be
completed using pencil, pen, or typewriter. DA Form
2028 will be completed by the individual using the
manual and forwarded directly to Commanding General,
U.S. Army Aviation Materiel Command, P.O. Box 209,
Main Office, St. Louis, Missouri 63166.
a. General. These instructions are published for
use of the personnel who operate and are responsible
for organizational, direct support, general support, and
depot maintenance of the Starter Torque Tester, Type
B-1, part No. RT320-200, manufactured by Greer
Hydraulics, Inc., Los Angeles, California (fig. 1). They
provide information on the operation, lubrication,
troubleshooting, preventive maintenance services, and
repair of the equipment, accessories, components, and
attachments as prescribed by the maintenance
allocation chart.
b. Appendix I. Appendix I contains a standard list
of all publications applicable to this manual and
available to operating and maintenance personnel.
c. Appendix II
Appendix II contains the
maintenance allocation chart.
This chart assigns
maintenance functions and repair operations to be
performed by the lowest appropriate echelon.
2. RECORD AND REPORT FORMS
The record and report forms listed in the
following subdivisions will be used by operating and
maintenance personnel for recording and reporting
operation and maintenance. For instructions as to the
use of listed forms, refer to TM 38-750.
a. DD Form 314
b. DA Form 2402
c. DA Form 2404
d.
e.
f.
g.
Figure 1. Starter Torque Tester, Type B-1, Part No.
RT320-200
2
DA Form 2405
DA Form 2406
DA Form 2407
DA Form 2409
Preventive Maintenance
Schedule and Record
Exchange Tag
Equipment Inspection and
Maintenance Worksheet
Maintenance Request Register
Materiel Readiness Report
Maintenance Request
Equipment Maintenance Log
(Consolidated)
Section II. DESCRIPTION AND DATA
foundation. Torque is transmitted through the engaging
jaw (8) to a ball-bearing mounted drive shaft which is
rigidly connected to a brake drum and mounting plate
assembly (2). The starter is held securely to the
mounting adapter by means of two quick-acting, selfpositioning mounting clamps (7)
3. DESCRIPTION
a. The starter torque tester Type B-1, part No.
RT320-200, Federal Stock No. 4920-739-4584, consists
of a base and frame assembly (9, fig. 2) cast in one
piece upon which are mounted a prony brake, a
torquemeter (11), and a mounting adapter (6) for
mounting the starter to be tested. The base and frame
assembly is provided with four mounting holes for
attaching it to a suitable test bench or other sturdy
1.
2.
3.
4.
5.
6.
b. The starter torque tester is primarily designed
for testing the performance and clutch
CARRYING ARM
BRAKE DRUM ANDMOUNTING PLATE ASSEMBLY
FILLER PLUG
BRAKE PRESSURE CONTROL ASSEMBLY
CAM SHAFT
MOUNTING ADAPTER
7. MOUNTING CLAMP
8. ENGAGING JAW
9. BASE AND FRAME ASSEMBLY
10. TACHOMETER
11. TORQUEMETER
Figure 2. Starter Torque Tester Component Identification
3
setting (holding torque) of all starters incorporating
standard mounting pads, as well as starters equipped
with the new quick-disconnect features for mounting.
The tester is also equipped with suitable accessories to
be used for testing electrical actuators and retraction
motors.
5. DIFFERENCES IN MODELS
This manual covers only type B-1 starter torque
tester, part No. RT320-200. No known unit differences
exist for the design covered by this manual.
6. TABULATED DATA
4. IDENTIFICATION
a. General:
Manufacturer .
The nameplate (fig. 3) for the starter torque
tester is located on the lower right-hand side of
Part No .........
Type .............
Dimensions ..
Weight .........
b. Torquemeters:
Manufacturer
Part No ........
Range ..........
c. Tachometer:
Part No ......... .
Range...........
Figure 3. Nameplate
Greer Hydraulics, Inc.,
Los Angeles, Calif.
RT320-200
Prony Brake, Type B-1
20 in. wide x 24 in.
high x 36 in. long
400 lb (estimated)
Greer Hydraulics, Inc.,
Los Angeles, Calif.
DT320-293, DT320290, DT320-213
0 - 150 foot-pounds
0 - 500 foot-pounds
0 - 1500 foot-pounds
870C
0 - 1500 rpm
d. Brake Shoe Assembly:
Part No ........
H-2-353
Range ..........
Up to 7 horsepower
absorption
tester base. It identifies the manufacturer, giving the
type, part number, model number, and serial number.
e. Brake Pressure Control Assembly:
Part No .........
BT320-265
Type .............
Screw
4
CHAPTER 2
OPERATING INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF EQUIPMENT
hand carrying arm to test a starter for right-hand
rotation, and on the left-hand carrying arm to test for
left-hand rotation. Install the torquemeter as follows:
7. GENERAL
When received, the starter torque tester and
accessories are suitably protected with a moisture
resistant cover and are enclosed in a suitable wooden
crate.
(1) Place torquemeter (13, fig. 5) in position
on carrying arm (30) and base and frame
assembly (31).
(2) Install upper pivot pin (15) through
carrying arm (30) and end of torquemeter
push rod (1, fig. 4).
8. UNPACKING
It is essential that extreme care be exercised in opening
the crate to avoid damaging the instruments, controls,
and other components and accessories.
a. Carefully remove starter torque tester,
instruments, and accessories from shipping crate.
b. Remove moisture-resistant covers from starter
torque tester and accessories.
9. INSPECTION
After unpacking, inspect the starter torque tester
thoroughly to insure that no damage has been incurred
in shipment. Inspect the starter torque tester as follows:
a. Visually inspect tachometer (10, fig. 2) and
torquemeter (11) to ascertain there has been no damage
incurred during shipment.
b. Inspect starter torque tester for damaged or
broken parts.
c. Ascertain that all adapters, couplings, jaws, and
other accessories have been provided.
10. SERVICING
Clean the starter torque tester and accessories with dry
cleaning solvent, Federal Specification P-D-680. No
other servicing is required.
11.
INSTALLATION OF SEPARATELY PACKED
COMPONENTS
a. Torquemeters. Three torquemeters (fig. 4) are
provided for the starter torque tester. The torquemeters
are packed separately to protect them from possible
damage.
The three torquemeters are similar in
construction and operating principle and vary only in
their operating range. Each torquemeter operates in
compression; consequently, it is placed on the right-
1. PUSHROD
2. HYDRAULIC CAPSULE
3. MOUNTING SUPPORT
4. TORQUEINDICATOR
Figure 4. Torquemeter
5
Figure 5. Starter Torque Tester (Exploded View)
6
Note: Testing actuators or retraction
motors requires a different wiring
setup from that shown for starters.
See figures 6 and 7 for typical
difference in wiring setup.
(3) Install cotter pins (14, fig. 5) through each
end of upper pivot pin (15).
(4) Install lower pivot pin (16) through base
and frame assembly (31) and through
mounting support (3, fig.
4) of
torquemeter.
(5) Install cotter pins (14, fig. 5) through each
end of lower pivot pin (16).
b. Tachometer. The tachometer (17, fig. 5) can
be installed on either side of the test stand by
interchanging the flexible drive shaft.
12. INSTALLATION OF STARTER TORQUE TESTER
Figure 6. Typical Wiring Diagram for Testing
Starters
Install the starter torque tester as follows:
a. Mount starter torque tester on a heavy bench or
other firm structure using four mounting bolts.
b. Mount tachometer to bench or a suitable stand
to prevent damage during operation of tester.
c. Connect power source wires to an external
adjustable dc power supply, varying from 6 to 30 volts
and capable of supplying 300 amperes continuously.
d. Connect flexible drive shaft (18, fig. 5) from
tachometer to starter torque tester at tachometer drive
assembly (19).
e. Ground starter torque tester to negative side of
external power source.
Figure 7. Typical Wiring Diagram for Testing
Actuators
Section II. CONTROLS AND INSTRUMENTS
13. GENERAL
15. OPERATOR'S INSTRUMENTS
This section describes, locates, illustrates, and
furnishes the operator or crew sufficient information
pertaining to the controls provided for the proper
operation of the starter torque tester.
Careless
operation or improper setting of the controls will cause
damage to the equipment. For this reason, it is
important to know the function of every control.
a. Torquemeter. A torquemeter (11, fig. 2) is
attached between either the right or left carrying arm (1)
of the starter torque tester and the base and frame
assembly (9). The location depends on whether the
starter being tested has left-hand or right-hand rotation.
The torquemeter measures the torque of the starter in
foot-pounds.
Three torquemeter assemblies with
different ranges are provided for testing starters,
actuators, or retraction motors.
b. Tachometer. The tachometer (4, fig. 8) is
mounted to the bench or a suitable stand.
The
tachometer indicates the rotational speed of the starter
jaw in either clockwise or counterclockwise direction.
The tachometer can be connected directly on the starter
torque tester for speeds up to 150 rpm; for higher
speeds, however, the tachometer reduction drive
assembly (3) supplied with the starter torque tester must
be used.
14. OPERATOR'S CONTROLS
The brake pressure control assembly (4, fig. 2)
is located top center on the starter torque tester. Brake
pressure is applied by turning the control cap on the
brake pressure control assembly. Turning the cap
clockwise will apply pressure to the brake; turning the
cap counterclockwise will release the brake.
7
Figure 8. Tachometer and Accessories
Section III. OPERATION UNDER USUAL CONDITIONS
16. GENERAL
c. Install engaging jaw (21, fig. 5) on starter torque
tester. d.
Install mounting pad adapter (23) on
starter torque tester. (See fig. 10 for difference in
mounting pad adapters.)
e. Mount starter to be tested on starter torque
tester and lock mounting clamps (7, fig. 2) with cam
shafts (5).
f. Connect external power source to starter (fig.
11).
g. Ascertain that starter jaw is fully retracted and
clears starter torque tester engaging jaw (21, fig. 5).
h. Visually inspect starter torque tester for loose
connections and security of all components and
accessories.
a. This section gives instructions on preparations
to be made before starting, operating, and stopping the
starter torque tester. It also gives the basic capabilities
of the equipment and coordinates these capabilities to
the specific tasks for which the equipment is designed.
b. It is essential that the operator know how to
perform every operation that the starter torque tester is
capable of accomplishing. Since many jobs present
different problems, it may be necessary that the
operator vary the given procedures to fit the
assignment.
17. PREPARATION BEFORE STARTING STARTER
TORQUE TESTER
18. STARTING AND OPERATING THE STARTER
TORQUE TESTER
The following steps should be accomplished
before starting the starter torque tester:
a. Examine engaging jaw of starter to be tested
and determine size, direction of rotation, and number of
teeth.
b. From supply of starter engaging jaws (fig. 9)
supplied with starter torque tester, select an engaging
jaw of starter to be tested.
a. Install a starter known to be serviceable on
starter torque tester as outlined in preceding paragraph
17.
b. Apply a small amount of hydraulic pressure to
brake assembly by turning control cap located on brake
pressure control assembly (4, fig. 2)
8
Figure 9. Starter Engaging Jaws
clockwise. This will prevent over-speeding of starter
being tested.
c. Switch external power source on.
This
energizes starter, causing starter jaw to engage jaw of
starter torque tester.
d. Increase speed of starter torque tester to break
away rpm designated in applicable technical manual for
starter being tested. Make sure starter breaks away
from starter torque tester when tachometer (10) reads
designated rpm.
e. Increase current applied to starter until
tachometer reaches rpm designated in applicable
technical manual for starter being tested to perform
slippage test. Apply braking pressure by turning control
cap located on brake pressure control assembly (4) and
note that starter begins to slip when torquemeter (11)
reads specified braking pressure for starter being tested.
f. Increase voltage to starter by means of variable
resistor and decrease braking pressure by turning
control cap on brake pressure control assembly (4)
counterclockwise. This check is to make sure starter
torque tester will reach specified rpm and current output
designated in applicable technical manual for starter
being tested.
19. STOPPING OPERATIONS
Stopping operations consist of switching
external power source off and releasing brake pressure
by turning control cap located on brake pressure control
assembly (4, fig. 2) counterclockwise.
20. EQUIPMENT HANDLING
a. Exercise extreme care in unpacking and
handling instruments and other accessories of starter
torque tester.
b. If an instrument is dropped, thoroughly check
and test before use.
Caution: The tachometer will be
damaged if the gear reduction unit is
not used when testing starters or
actuators with output shaft speeds
over 150 rpm.
9
Figure 10. Mounting Pad Adapters
10
Figure 11. Starter Torque Tester (Starter Mounted for Testing)
11
Section IV. OPERATION OF COMPONENTS USED IN CONJUNCTION WITH MAJOR END ITEM
will permit reading the torque for either direction of
rotation.
b. Couplings.
When testing actuators and
retraction motors, drive couplings (fig. 13) replace the
standard jaws supplied with the starter torque tester.
These couplings are splined to mate with the internal
drive splines of the tester and actuator shafts.
c. Tachometer Reduction Drive Assembly. The
tachometer reduction drive assembly (20, fig. 5) has a
gear reduction ratio of 10 to 1 and is used when testing
high speed units or starters with special gearing such as
Jack and Heintz JH6P, JH6PS, and JH6PK. The
tachometer reduction drive assembly is connected to the
flexible drive shaft (18)of the tachometer and to the
shaft of the starter torque tester.
21. GENERAL
The main purpose of the starter torque tester is
to test the torque and speed of starters. The tester is
also equipped with suitable accessories and mounting
adapters to be used for testing actuators and retraction
motors.
22. ACCESSORIES
a. Torquemeters (Low Reading).
For testing
actuators and retraction motors, replace the high
reading torquemeter used for testing starters with two
low reading torquemeters (1 and 2, fig. 12). The two
low reading torquemeters, one on each carrying arm,
Figure 12. Starter Torque Tester (Actuator Mounted for Testing)
12
23. MOUNTING ADAPTERS
The mounting adapters (23 and 27, fig. 5) are
used for the starter or actuator to be mounted on. The
adapter is attached to the starter torque tester frame
with two socket head screws (24 or 28). The adapter
has pins or studs which the starter or actuator mounts
on. The starter or actuator is held in position on the
adapter by two quick-acting, self-positioning mounting
clamps (7, fig. 2). The mounting clamps are actuated
by cam shafts (5) and have adjusting screws to insure
that the best locking position on the cam shafts is
utilized. The mounting clamps are locked in position or
released by means of the two cam shafts.
Figure 13. Drive Couplings
13
CHAPTER 3
ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section I. SPECIAL TOOLS AND EQUIPMENT
25.
ORGANIZATIONAL MAINTENANCE REPAIR
PARTS
24. SPECIAL TOOLS AND EQUIPMENT
No special tools or equipment are needed by the
operator or organizational maintenance personnel for
maintaining the starter torque tester.
Organizational maintenance repair parts are
listed in Appendix III of this manual.
Section II. LUBRICATION
requires saturation with medium machine oil, Federal
Specification VV-0-526 (fig. 14). A few drops of
lubricating oil, Military Specification MIL-0-11773,
should be applied occasionally at the point where the
pushrod enters the torquemeter.
Occasionally apply a light coat of grease, Military
Specification MIL-G-7711, to flexible drive shaft (18, fig.
5).
26. GENERAL LUBRICATION INFORMATION
The entire starter torque tester is so constructed
that only a minimum amount of lubrication is required.
27. DETAILED LUBRICATION INFORMATION
An oil wick, in each of the cam shafts, supplies all
bearing surfaces with sufficient lubrication and simply
14
Figure 14. Points o/ Lubrication
15
Section IIl. PREVENTIVE MAINTENANCE SERVICES
28. GENERAL
29. OPERATIONAL PREVENTIVE MAINTENANCE
SERVICES
To insure that the starter torque tester is in operational
readiness at all times, it must be systematically
inspected so defects may be discovered and corrected
before resulting in serious damage to, or failure of, the
equipment.
Systematic preventive maintenance
services are based on scheduled inspections and
services to be accomplished by operators and
organizational personnel. The maintenance inspections
will be recorded in accordance with procedures outlined
in the equipment inspection and maintenance
worksheets listed in paragraph 2. Each form covers a
specific inspection period, providing a system of
progressive maintenance. These forms are available
through normal supply channels.
The operational preventive maintenance services are
performed before operation, during operation, and after
operation. These maintenance services and inspections
are listed in the operator's daily preventive maintenance
chart.
Caution: Stop operation immediately
if a defect that could cause damage
to the equipment by continuing
operations is noted.
Operator's Daily Preventive Maintenance Chart
Procedures
Reference Applicable to Each Item
BEFORE OPERATION
Inspect tachometer and torquemeter for cracked
(10 and 11, fig. 2)
face.
Inspect brake pressure control assembly for leaks.
(4, fig. 2)
Inspect all adapters, couplings, jaws, and other
para 38a.
accessories for excessive wear, breaks, and
chips.
Inspect all gages for proper function.
DURING OPERATION
para 36 and 37
Inspect all hydraulic couplings for leaks.
para 34
AFTER OPERATION
Inspect entire assembly for signs of hydraulic
leaks.
maximum of 50 hours of operation. The monthly
interval will be equivalent to 4 weeks or a maximum of
250 hours of operation, whichever occurs first. These
maintenance services and inspections are listed in the
organizational preventive maintenance chart.
30. ORGANIZATIONAL PREVENTIVE
MAINTENANCE SERVICES
Preventive
maintenance
procedures
are
performed by organizational maintenance personnel
periodically. The weekly interval will be equivalent to a
Organizational Preventive Maintenance Chart (Sheet 1 of 2)
Procedures
Inspect hydraulic fluid in brake pressure control
assembly for cleanliness and refill as required.
Inspect mounting clamp for signs of wear.
Reference Applicable to Each Item
DAILY
paras 34a.
(7, fig. 2)
16
Organizational Preventive Maintenance Chart (Sheet 2 of 2)
Procedures
Reference Applicable to Each Item
WEEKLY
Inspect all parts to ascertain that they are in good
mechanical condition and that all nuts and bolts
are tight.
Saturate oil wick in each of the cam shafts with
medium machine oil, Federal Specification
VV-0-526. Apply a few drops of lubricating
oil, Military Specification MIL-0-11773, at
the point where the pushrod enters the
torquemeter.
Drain and fill brake pressure control assembly
with hydraulic fluid, Military Specification
MIL-H-5606.
para 27
MONTHLY
para 34a.
QUARTERLY
para 33b.
Inspect brake assembly for wear
Inspect the flexible drive shaft for lack of
lubrication and apply a light coat of grease,
Military Specification MIL-G-7711.
SEMIANNUAL
para 32
Section IV. TROUBLESHOOTING
31. GENERAL
32. TACHOMETER NEEDLE TENDS TO OSCILLATE
RAPIDLY
This section provides information useful in
diagnosing and correcting unsatisfactory operation or
failure of the starter torque tester and its components.
Each trouble symptom stated is followed by a list of
probable causes of trouble. The possible remedy
recommended is described opposite the probable cause.
Any operational trouble that is beyond the scope of
organizational maintenance must be reported to the next
higher echelon as applicable.
Probable Cause
Flexible drive shaft
(18, Fig. 5) binding
Possible Remedy
Apply a light coat of grease,
Military Specification
MIL-G-7711, to the flexible
drive shaft (para 27).
Section V. ORGANIZATIONAL MAINTENANCE REPAIR INSTRUCTIONS
torque tester while the brake shoe assembly (5) rides
free on the same shaft on a bearing. The brake shoe
assembly is attached to the steel carrying arm (30)
extending to the right and left of the drive shaft.
33. BRAKE ASSEMBLY
A standard aircraft type hydraulic brake is used
on the starter torque tester to absorb the braking load.
The brake drum and mounting plate assembly (1, fig. 5)
is securely attached to the drive shaft of the starter
17
a. Cleaning. Clean exterior of all parts of brake
assembly with dry cleaning solvent, Federal
Specification P-D-680.
b. Inspection. Inspect all parts for excessive wear
or other damage. Inspect brake drum mounting bolts for
security.
34. BRAKE PRESSURE CONTROL ASSEMBLY
A screw-type brake pressure control assembly
(9, fig. 5) is conveniently mounted on the carrying arm
(30) and to the brake assembly. The purpose of the
brake pressure control assembly is to vary the brake
loading. Turning the control cap on the brake pressure
control assembly clockwise operates a plunger which
compresses a bellows containing hydraulic fluid. The
compressed fluid flows through a hydraulic line to the
brake shoe assembly (5) and applies equal pressure to
the brake shoes. Index marks and numbers on the
control cap enable the operator to make quick
adjustments for different or repetitive loads. A plug is
incorporated on the brake pressure control assembly for
filling or bleeding the hydraulic system.
Figure 15. Brake Pressure Control Assembly
36. TORQUEMETER
For convenience of operation and in order to
perform all tests for which the starter torque tester was
designed, three torquemeter assemblies are provided.
The three instruments are similar in construction and
operating principle and vary only in their operating
range. One has a range of 0 to 150 foot-pounds in
increments of 2 foot-pounds. The second torquemeter
has a range of 0 to 500 foot-pounds in increments of 10
foot-pounds. The third torquemeter has a range of 0 to
1500 foot-pounds in increments of 20 foot-pounds. To
facilitate quick position change, the torquemeter is
anchored to the carrying arm and the base with two
pivot pins secured with cotter pins.
a. Servicing. Drain and fill the brake pressure
control assembly as follows:
(1) Open lower plug on brake pressure
control assembly and allow hydraulic fluid
to drain (fig. 15).
(2) Close lower plug on brake pressure
control assembly and open upper plug
and fill with clean hydraulic fluid, Military
Specification MIL-H-5606.
b. Adjustments.
There are no adjustments
necessary on the brake pressure control assembly.
c. Inspection.
Inspect brake pressure control
assembly for security and hydraulic leaks.
Caution: When testing starters, the
high range (O to 1500 foot-pounds)
torquemeter must be used. However,
when testing actuators or retraction
motors which have comparatively
low
torque,
the
high
range
torquemeter must be replaced with a
low range torquemeter
35. GAGES
Two types of gages are supplied with the starter
torque tester. A torquemeter (11, fig. 2) for checking
the clutch setting(holding torque) and a tachometer (10)
for checking the cranking speed of the starter jaw. The
torquemeter is mounted on the right carrying arm of the
starter torque tester when testing starters with right-hand
rotation and mounted on the left carrying arm for testing
starters with left-hand rotation.
The tachometer
indicates the speed of the starter jaw in either clockwise
or counterclockwise direction.
a. Cleaning.
Clean exterior of torquemeter,
including glass cover, with dry cleaning solvent, Federal
Specification P-D680.
b. Inspection. Inspect torquemeter for chipped or
cracked glass cover, loose or bent indicator hand, and
leaks in the integral hydraulic system.
Note: The torquemeter is a sealed
unit which does not permit any
servicing in the field and must be
returned to the factory in the event of
failure.
18
37. TACHOMETER
The tachometer can be driven from either side
of the starter torque tester by interchanging the flexible
drive shaft. The tachometer indicates the rotational
speed of the starter drive shaft jaw in either direction.
Two scales are provided on the tachometer, 0 to 150
rpm and 0 to 600 rpm. The tachometer is driven by a 5foot flexible drive shaft which is attached to the
tachometer drive assembly which meshes with a helical
gear on the starter torque tester drive shaft.
a. Servicing. There is no service required for the
tachometer.
Figure 16. Clutch Adjusting Wrenches
b. Inspection. Inspect the tachometer for chipped
or cracked glass cover, loose or bent indicator hand,
and scale markings for clarity.
starter from the tester. These jaws include all those
required for performing all tests for which the starter
torque tester was designed. The set includes engaging
jaws to engage starters having large or small, right or
left, 3 or 12 tooth jaws.
c. Removal.
Removal of the tachometer is
accomplished by disconnecting the tachometer adapter.
a. Inspection.
follows:
d. Installation. Refer to paragraph lb.
38. ADAPTER PADS AND JAWS
Inspect adapter pad and jaws as
(1) Visually examine studs of adapter pad for
excessive wear and correct alignment.
The starter torque tester is equipped with a
standard mounting pad adapter (23, fig. 5) which is
reversible to accommodate starters having either a 5- or
5-3/4 inch diameter bolt circle mounting flange. The
adapter is easily reversed by removing the socket head
screws (24) securing it to the frame. The top section of
the adapter is cut away so that the clutch adjusting
wrenches, part No. BT320-285 and BT320-287 (fig. 16),
can be inserted to adjust the clutch setting on Eclipsetype starters and view the jaw engagement without
removing the Figure 16. Clutch Adjusting Wrenches
(2) Inspect teeth and splines of jaws for
breaks, chips, and wear.
b. Removal.
Remove attaching socket head
screws (22 and 24, fig. 5) to remove adapter pad and
engaging jaw (21).
c. Installation. Secure adapter pad and engaging
jaw (21) to starter torque tester with attaching socket
head screws (22 and 24).
19
CHAPTER 4
DIRECT SUPPORT, GENERAL SUPPORT, AND DEPOT
MAINTENANCE INSTRUCTONS
Section I. SPECIAL TOOLS AND EQUIPMENT
40. DIRECT SUPPORT, GENERAL SUPPORT, AND
DEPOT MAINTENANCE REPAIR PARTS
39. SPECIAL TOOLS AND EQUIPMENT
No special tools or equipment are required to
perform the repair and overhaul operations on the
starter torque tester and its accessories.
Repair parts needed to repair and overhaul the starter
torque tester are listed in Appendix III of this manual.
Section II. TROUBLESHOOTING
41. GENERAL
43. TORQUEMETER INOPERATIVE
This section provides information useful in
diagnosing and correcting unsatisfactory operation or
failure of the starter torque tester or any of its
components. Each trouble symptom is followed by a list
of probable causes of trouble. The possible remedy
recommended is described opposite the probable cause.
Probable Cause
Possible Remedy
Ruptured diaphragm
Replace torquemeter (paras
45).
44.
BRAKE PRESSURE CONTROL ASSEMBLY
INOPERATIVE
42. TACHOMETER NEEDLE TENDS TO OSCILLATE
RAPIDLY
Probable Cause
Probable Cause
Ruptured bellows.
Possible Remedy
Possible Remedy
Replace brake pressure control assembly (para 47).
Brake drum and
Replace brake drum and
mounting plate
mounting plate assembly
assembly (1, fig. 5)
and brake shoe assembly
scored.
(para 33).
Section III. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS
45. TORQUEMETER
46. BRAKE ASSEMBLY
a. Removal.
a. Removal.
(1) Remove locknut (2, fig. 5), lockwasher
(3), and keys (4) from shaft of base and
frame assembly (31). Pull brake drum
and mounting plate assembly (1) from
flexible drive shaft (18).
(2) Disconnect hydraulic line at brake
pressure control assembly (9).
(1) Remove cotter pins (14, fig. 5) from
upper pivot pin (15) and lower pivot pin
(16).
(2) Remove upper pivot pin (15) and lower
pivot pin (16) from carrying arm (30).
Remove torquemeter (13).
b. Installation. Refer to paragraph 11a.
20
a. Removal.
(3) Remove nuts (6 and 10), washers (7 and
11), and bolts (8 and 12) securing brake
shoe assembly (5) to carrying arm (30).
Remove brake shoe assembly.
(1) Perform procedures outlined in paragraph
46a.(1) and (2).
b. Installation.
(2) Remove nuts (10, fig. 5), washers (11),
and bolts (12).
(1) Position brake shoe assembly (5) on
carrying arm (30). Secure in place with
bolts (8 and 12), washers (7 and 11), and
nuts (6 and 10).
(2) Connect hydraulic line to brake pressure
control assembly (9).
(3) Position brake drum and mounting plate
assembly (1) on drive shaft and over
brake shoe assembly (5). Secure in place
with keys (4), lockwasher (3), and locknut
(2).
(3) Remove brake pressure control assembly
(9) from carrying arm (30).
b. Installation.
(1) Place brake pressure control assembly (9)
on carrying arm (30) and secure in
position with bolts (12), washers (11), and
nuts (10).
(2) Perform procedures outlined in paragraph
46b.(2) and (3).
47. BRAKE PRESSURE CONTROL ASSEMBLY
21
CHAPTER 5
DIRECT SUPPORT. GENERAL SUPPORT, AND DEPOT MAINTENANCE REPAIR INSTRUCTIONS
Section I. BRAKE ASSEMBLY
will cause the brake to grab during
operation and thus give an incorrect
reading for the unit being tested.
48. BRAKE ASSEMBLY DESCRIPTION
The brake assembly is composed of a brake
drum and mounting plate assembly (1, fig. 5) and brake
shoe assembly (5). The brake drum and mounting plate
assembly is attached to the drive shaft and the brake
shoe assembly is attached to the steel carrying arm
(30).
The brake assembly can absorb up to 7
horsepower within the specified speed limits.
b. Inspection and Repair.
(1) Inspect brake drum and mounting plate
assembly (1, fig. 5) for scoring and
cracks.
49. BRAKE ASSEMBLY REMOVAL
Refer to paragraph 46a.
brake assembly.
(2) Inspect all threaded parts for burrs and
stripped threads.
for removal of the
(3) Inspect brake shoe assembly (5) for
crystallized brake shoes and cracks.
50. BRAKE ASSEMBLY CLEANING, INSPECTION,
AND REPAIR
Note: No repair will be performed on
any parts of the brake assembly.
Any defective part within an
assembly necessitates replacement
of that assembly.
a. Cleaning. Clean all foreign matter from metal
parts of the brake assembly using a cloth moistened
with dry cleaning solvent, Federal Specification P-D680.
51. BRAKE ASSEMBLY INSTALLATION
Note: Prevent brake drum and
mounting plate assembly (1, fig. 5)
and brake shoe assembly (5) from
coming in contact with oil during
cleaning as oil on either assembly
Refer to paragraph 46b. for installation of the
brake assembly.
Section II. BRAKE PRESSURE CONTROL ASSEMBLY
52.
BRAKE PRESSURE CONTROL ASSEMBLY
DESCRIPTION
53.
BRAKE PRESSURE CONTROL ASSEMBLY
REMOVAL
The brake pressure control assembly (9, fig. 5)
is a hydraulic reservoir which supplies hydraulic
pressure to the brake shoe assembly (5).
Brake
pressure is increased by turning the control cap, located
on the brake pressure control assembly, clockwise and
is decreased by turning it counterclockwise. A plug is
incorporated on the brake pressure control assembly for
filling and bleeding the hydraulic reservoir and hydraulic
lines.
Refer to paragraph 47a. for removal of the
brake pressure control assembly (9, fig. 5).
54.
BRAKE PRESSURE CONTROL ASSEMBLY
INSTALLATION
Refer to paragraph 47b. for installation of the brake
pressure control assembly (9, fig. 5).
22
During testing, note that sufficient brake pressure as
specified in the applicable handbook of instructions for
the unit being tested can be obtained. If sufficient brake
pressure cannot be obtained, add more hydraulic fluid,
Military Specification MIL-H-5606. If sufficient brake
pressure still cannot be obtained, the brake pressure
control assembly is damaged and will be replaced.
55.
BRAKE PRESSURE CONTROL ASSEMBLY
TESTING
Test brake pressure control assembly (9, fig. 5)
by installing a starter, actuator, or retraction motor
known to be serviceable and test unit in accordance with
the applicable handbook of instructions for the particular
unit being tested.
Section III. TORQUEMETER
56. TORQUEMETER DESCRIPTION
b. Inspection and Repair.
(1) Refer to paragraph 36b. for inspection of
the torquemeter (13).
(2) No repair will be performed on parts of the
torquemeter (13). The torquemeter will
be replaced with a serviceable one if any
defect is found.
The torquemeter (13, fig. 5) indicates amount
of holding torque, in foot-pounds, applied to unit being
tested. Its measuring device is a hydraulic capsule
connected to a torque indicator using a Bourdon tubetype pressure unit. The hermetically sealed hydraulic
system of the torquemeter contains specially designed
self-damping features which eliminate chatter and
permit accurate readings.
.
59. TORQUEMETER INSTALLATION
Refer to paragraph 11a
torquemeter (13, fig. 5).
57. TORQUEMETER REMOVAL
Refer to paragraph 45a.
torquemeter (13, fig. 5).
for
installation
of
the
60. TORQUEMETER TESTING
for removal of the
Inasmuch as the torquemeter (11, fig. 2) reads
directly in foot-pounds and the torque arm is 1 foot long,
the torquemeter can be checked for calibration by
releasing brake pressure and applying a known weight
at a point immediately above the pushrod (1, fig. 4).
For example, a 200-pound weight should register 200
foot-pounds on dial of tachometer.
58. TORQUEMETER CLEANING, INSPECTION, AND
REPAIR
a. Cleaning. Refer to paragraph 36a. for cleaning
of the torquemeter (13, fig. 5).
23
CHAPTER 6
SHIPMENT, LIMITED STORAGE, AND DEMOLITION TO PREVENT ENEMY USE
Section I. DOMESTIC SHIPMENT
61.
PREPARATION
SHIPMENT
OF
EQUIPMENT
FOR
a. Inspection. When preparing the starter torque
tester for domestic shipment, visually inspect all
component parts and assemblies to determine their
condition. Correct any discrepancies found prior to
packing equipment for shipment.
(11)
b. Preservation.
(1) Remove all foreign matter from starter
torque tester and its accessories using a
cloth moistened with dry cleaning solvent,
Federal Specification P-D-680.
(2) Drain and refill brake pressure control
assembly (9, fig.
5) as outlined in
paragraph 34a.
(3) Remove tachometer (17) as outlined in
paragraph 37c and torquemeter (13) as
outlined in paragraph 45a.
(4) Coat all exposed metal surfaces of
tachometer (17) and torquemeter (13 )
with corrosion preventive compound,
Military Specification MIL-C-11796.
(5) Wrap tachometer (17)and torquemeter
(13) in separate pieces of vaporproof
barrier material, Military Specification
MIL-B-131, and secure with pressure
sensitive tape, Federal Specification PPPT-60.
(6) Place tachometer (17) and torquemeter
(13) in their original shipping containers
along with a small bag of activated
desiccant, Military Specification MIL-D3464, and a humidity indicator conforming
to Military Standard MS20003.
(7) Install packing around tachometer (17)
and torquemeter (13) to prevent
movement during shipment.
(8) Seal shipping container.
(9) Coat all unattached jaws (fig. 9), adapters
(fig. 10), and couplings (fig. 13) with
corrosion preventive compound, Military
(12)
(13)
(14)
(15)
Specification MIL-C-11796. 24 (10) Wrap
jaws, adapters, and couplings within
separate pieces of vaporproof barrier
material, Military Specification MIL-B-131,
and secure with pressure sensitive tape,
Federal Specification PPP-T-60.
Place jaws, adapters, and couplings in
their original shipping container along with
a small bag of activated desiccant,
Military Specification MIL-D-3464, and a
humidity indicator conforming to Military
Standard MS20003.
Install packing around jaws, adapters, and
couplings to prevent movement during
shipment.
Seal shipping container.
The remaining parts of the starter torque
tester will be preserved and packed in
accordance with Military Specification
MIL-P-116, Method 11. The starter torque
tester is enclosed in a metal foil bag along
with bags of activated desiccant, Military
Specification MIL-D-3464, and a humidity
indicator conforming to Military Standard
MS20003. Air in the metal foil bag in
evacuated and the bag is then heatsealed. The starter torque tester is then
bolted in a wooden crate.
Place tachometer (17, fig.
5),
torquemeter (13), jaws (fig. 9), adapters
(fig. 10), and couplings (fig. 13) in the
wooden crate and secure in place so they
will not puncture the airtight metal foil bag
during shipment. Install and secure lid on
crate.
62. LOADING EQUIPMENT FOR SHIPMENT
Loading of the starter torque tester for shipment
within the continental United States will be performed
using the following procedures.
a. Lift crated starter torque tester, maintaining it in
a normal upright position at all times,
24
onto its carrier by means of a fork lift, sling hoist, or by
hand.
b. Secure starter torque tester firmly to its carrier
to prevent movement during shipment.
Warning: Do not allow starter torque
tester to become overbalanced
during loading operations or damage
to the equipment or injury to
personnel may occur.
Warning: Make certain starter torque
tester is firmly secured to carrier, as
movement during shipment may
cause the starter torque tester to be
damaged, injury or death to
personnel on the carrier, or damage
to the carrier.
Section II. LIMITED STORAGE
63. PREPARATION OF EQUIPMENT FOR LIMITED
STORAGE
64.
INSPECTION AND
EQUIPMENT IN STORAGE
MAINTENANCE
OF
Limited storage is defined as periods up to 6
Visual inspection of the starter torque tester will
be performed every 30 days or at any other time
deemed necessary by the maintenance officer of the
unit to which the starter torque tester is assigned to
ascertain that the equipment is adequately protected
against corrosion and rust. Any maintenance necessary
to prevent deterioration of the equipment shall be
performed.
months.
a. Inspection. When preparing starter torque tester
for limited storage, visually inspect all component parts
and assemblies to determine their condition. Correct
any discrepancies found prior to placing equipment in
limited storage.
b. Preservation. Drape starter torque tester with
canvas or other suitable water repellent material.
Section Ill. DEMOLITION OF MATERIEL TO PREVENT ENEMY USE
65. GENERAL
c. Adapters, pads, and jaws.
This section includes detailed methods for
destroying the starter torque tester to prevent its use by
the enemy when it is in danger of imminent capture.
d. Brake drum assembly.
66.
68. DEMOLITION BY EXPLOSIVES AND WEAPONS
FIRE
DECISION TO DESTROY STARTER TORQUE
TESTER
a. Explosives. Place as many of the following
charges as the situation permits, and detonate them
simultaneously (fig. 17).
When the starter torque tester is in imminent
danger of capture or abandonment to the enemy, the
responsible unit commander must make the decision
either to destroy or render the equipment inoperative.
Regardless of methods employed, it is essential to
destroy the same vital parts of all starter torque testers
to prevent repair by cannibalization.
67.
(1) Tape a 1-pound charge beneath brake
drum and mounting plate assembly (fig.
17)
(2) Place a second 1-pound charge against
drive shaft assembly, adjacent to
mounting pad adapter (fig. 17).
DEMOLITION TO RENDER THE STARTER
TORQUE TESTER INOPERATIVE
b. Weapons Fire. Fire on starter torque tester with
the heaviest weapons available.
Use sledge hammers, crowbars, picks, axes, or
any other heavy tools which may be available to destroy
the following:
69. DEMOLITION BY SUBMERSION
a. Tachometer and torquemeter.
If the situation prohibits employing either of the
preferred methods outlined in paragraph 68, totally
b. Pressure control assembly.
25
submerge the starter torque tester in a body of water to
produce water damage and conceal the starter torque
tester. Salt water will effect the greatest damage to
metal parts.
Figure 17. Placement o/ Explosive Charges
26
APPENDIX I
REFERENCES
1. Dictionaries of Terms and Abbreviations
4. Army Regulations
AR 320-5
AR 700-17
AR 320-50
Dictionary of United States Army
Terms
Authorized Abbreviations and
Brevity Codes
AR 700-18
2. Publication Indexes
AR 700-70
DA PAM 310-1 Index of Administrative Publications
DA PAM 310-4 Index of Technical Manuals,
Technical Bulletins, Lubrication Orders, and Modification Work Orders
AR 711-16
AR 725-50
AR 735-35
3. Technical Manuals
TM 38-750
Designation of Department of
the Army Agents for Military
Industrial Supplies
Repair Parts Allocation and
Allowances
Parts Requirements, Procurement, Stockage, and Issue
Installation Stock Control and
Supply Procedures (Army
Field Stock Control System)
Requisitioning, Receipt, and
Issue System
Supply Procedure for TOE Units,
Organization and NON-TOE
Activities
5. Military Specifications
Army Equipment Record Procedures
MIL-P-116
27
Methods of Preservation
APPENDIX II
MAINTENANCE ALLOCATION CHART
capability, becomes the responsibility of the next higher
maintenance level.
b. The authority to perform a maintenance function
does not constitute authority to requisition or otherwise
secure necessary repair parts as specified in current
supply directives.
1. PURPOSE
The purpose of the maintenance allocation chart
is to provide all activities with maintenance functions to
be performed at each level of maintenance.
2. DEFINITIONS
4. DEVIATIONS
a. Adjust.
malfunction.
To regulate periodically to prevent
a. Normally there will be no deviations from the
assigned maintenance level. In cases of operational
necessity, a maintenance function assigned to a
maintenance level may, on a one-time basis and at
request of the lower maintenance level, be authorized to
the lower maintenance level by the maintenance officer
of the level to which the function is assigned.
b. The furnishing of special tools, equipment, and
the like, required by the lower maintenance level to
perform this function, will be the responsibility of the
level to which the function is assigned.
b. Repair. To return to a serviceable condition
within the scope of authorized tools, equipment,
supplies, and personnel.
c. Replace. To substitute serviceable assemblies,
subassemblies, and parts for unserviceable components
to include necessary rigging and/or adjustment.
d. Calibrate. To determine, check, or rectify the
graduation of an instrument, weapon, weapons system,
or components of a weapons system.
5. ADDITIONAL INFORMATION
a. Changes in the maintenance allocation chart will
be based on continuing evaluation and analysis by
responsible technical personnel and on Maintenance
Request Forms DA 2407 received from field activities.
b. All maintenance prescribed herein will be
performed in accordance with applicable publications.
c. In any instance of conflict with current tool and
equipment lists or current supply manuals, this
maintenance allocation chart will be the final authority.
Each such instance should be promptly reported by
Maintenance Request Form DA 2407.
e. Symbol X.
The symbol X placed in the
appropriate column indicates the maintenance level
responsible for performing that particular maintenance
operation, but does not necessarily indicate that repair
parts will be stocked at that level. Maintenance levels
higher than the level marked by X are authorized to
perform the indicated operation.
3. GENERAL
a. A maintenance function assigned to a
maintenance level, which for any reason is beyond its
28
MAINTENANCE ALLOCATION CHART
FOR
Tester, Starter Torque, FSN 4920-739-4584
(1)
GROUP
NO
(2)
COMPONENT AND RELATED
OPERATIONS
1.0
General
1.1
Complete Assembly
Service
Adjust
Inspect
Test
Replace
2.0
2.1
3.0
3.1
3.2
4.0
(3)
(4)
(5)
(6)
(7)
OC
O
DS GS
D
X
X
X
X
X
Brake Assembly
Inspect
Replace
X
X
Brake Pressure Control Assembly
Service
Adjust
Inspect
Test
Replace
X
X
X
X
X
Gages
Inspect
Replace
X
X
Torquemeter
Inspect
Test
Replace
X
X
X
Tachometer
Service
Inspect
Replace
X
X
X
Adapter Pads and Jaws
Inspect
Replace
X
X
29
(8)
TOOLS
REQ'D
(9)
REMARKS
APPENDIX III
REPAIR PARTS AND SPECIAL TOOLS LISTS
Section
Description
Page
I
Introduction
31
II
Illustrated parts list
33
III
Reference publications
35
IV
Cross reference indices
Alpha-numerical part number index
36
Numerical stock number index
37
30
SECTION I
INTRODUCTION
1. GENERAL
a. AMC Materiel Codes. Not applicable.
This appendix lists the repair parts and
maintenance supplies authorized and required for
organizational thru depot maintenance of the Tester,
Starter Torque, Part No.
RT320-200, FSN 49207394584.
This is the authority to requisition.
It
supplements tables of equipment and allowance and
other applicable authorization documents.
The
quantities of repair parts and special tools required to be
on hand or on order at all times for performance of
operator/crew organizational maintenance in units
and/or organizations constitute a prescribed load which
will be maintained in accordance with AR 735-35.
b. Source Codes. Source codes are shown in this
column as assigned to items by U.S. Army Aviation
Materiel Command. The code symbols indicate the
selection status and source of supply for each repair
part as defined hereafter:
Code P1 applies to repair parts which are low mortality
parts; procured by commodity command, stocked only
in and supplied from commodity command key depots,
and authorized for installation at in dictated
maintenance echelons.
c. Maintenance Level Code. The
used in the maintenance level column
lowest maintenance echelon authorized
repair parts.
Capabilities of higher
considered equal or better.
2. ARRANGEMENT
This appendix consists of four sections, as
follows:
a. 1, Introduction.
(1) Code O -- Organizational Maintenance
Category.
(2) Code F -- Direct Support Maintenance
Category.
(3) Code H -- General Support Maintenance
Category.
(4) Code D -- Depot Maintenance Category.
b. 2, Illustrated Parts List. All repair parts are
listed in disassembly order and indented when required
to indicate relationship t,. the next higher assembly.
Items appearing more than once in an assembly will be
repeated to show relation to the illustration. Illustrations
appear in the maintenance portion of this manual.
d. Recoverability Code.
Recoverability codes
reflect the recoverability or reparability characteristics of
repair parts upon removal from equipments at time of
maintenance, repair, or overhaul.
c. 3. Reference Publications. (Refer to Appendix
I.)
d.
4,
Cross-Reference Indices.
section is divided into two as follows:
(1)
(2)
code symbol
indicates the
to install the
echelons are
This
(1) Code R applies to repair parts and
assemblies which are economically
reparable at direct and general support
maintenance activities and are normally
furnished by supply on an exchange
basis.
I, the alpha-numerical part
number index, contains a listing of all part
numbers appearing in the text pages of
this manual. Cross-reference is made to
figure and index number, Federal stock
number, Federal supply code for
manufacturer, and page number in order.
(2) Repair parts and assemblies not assigned
a recoverability code shall be considered
"throwaway" items.
II, Federal stock number crossreference index, is arranged in numerical
order by stock number. Cross-reference
is made to figure and index number, part
number, Federal supply code for
manufacturer, and page number in order.
e. Federal Stock Number. The Federal stock
number consists of the applicable 4-digit FSC code
number plus the 7-digit Federal item identification
number which are to be utilized for requisitioning,
storage, and accountability purposes. Items without
3. EXPLANATION OF COLUMNS
31
EA....................
NC ...................
No ...................
P/N ..................
SAE ................
STD .................
a source code will not be assigned a Federal stock
number.
f. Description. This column furnishes the item
name, a brief description, when necessary, and
authorized abbreviations or dimensions when required
to provide further identification. A comma will be used
to separate the basic noun or noun phrase from its
modifiers.
As an additional reference the
manufacturer's part number is indicated following the
description.
5.
FEDERAL
MANUFACTURERS
Code
26337
g. Unit of Issue. This column lists the standard or
the basic quantity in which the item is issued (each,
pound, set, and the like).
57733
74080
81343
h. Quantity Per Assembly.
Quantities in this
column are those required for one assembly only,
including instances where similar assemblies are broken
down together.
88044
SUPPLY
CODE
FOR
Manufacturer
Greer Hydraulics Inc., Los Angeles,
Calif.
Stewart-Warner Corp., Chicago, I11.
Hayes Industries Inc., Jackson,
Mich.
Society of Automotive Engineers,
New York, N.Y.
Aeronautical Standards Group,
Department of Navy and Air Force,
Washington, D.C.
6. HOW TO FIND A PART
i. Expendability Code.
When any item is
nonexpendable, it will be indicated by an N. This
column will be left blank for all other items which are
expendable.
a. When the Part Number is Known. Locate the
part number in the Alpha-Numerical Part Number Index,
Section IV of this appendix. Note the figure and index
number and page indicating where the part is shown in
the Illustrated Parts List. Turn to the figure and index
number on appropriate page indicated to obtain the
desired information.
j. Quantity Authorized.
An asterisk (*) code
contained within this column indicates that the item is
authorized for use at that level, but is not authorized to
be stocked, assembled, or manufactured. When such
an item is required, it must be requisitioned for
immediate use only from the next higher maintenance
category.
b. When the Stock Number is Known. Locate the
stock number in the Numerical Stock Number Index,
Section IV of this appendix. Note the figure and index
number and page indicating where the part is shown in
the Illustrated Parts List. Turn to the figure and index
number on appropriate page to obtain the desired
information.
k. Figure and Index Numbers. When applicable,
the numbers which appear in the last right-hand column
of each text page key items contained in the text to the
proper part on the appropriate illustration. This enables
ready reference from illustration to text and from text to
illustration. Figure and index numbers are also shown in
the indices for every part which appears in the manual.
This provides a reference to the proper illustration and
item on the text listing. When a breakdown covers both
left- and right-hand assemblies, only the left-hand parts
are indexed and illustrated.
c. When Neither the Part Number nor Stock
Number for an Item is Known. Refer to the exploded
view of the starter torque tester (fig. 5) and select the
required part. Note the index number referenced to the
item. Turn to Section IV and note the page number
opposite the index number of the part. On indicated
page and opposite the index number will be shown the
stock number or part number, part name, and all other
necessary information.
4. ABBREVIATIONS
The following abbreviations are used:
AN ...................
ASSY ..............
Each
American National Coarse Thread
Number
Part Number
Society of Automotive Engineers
Standard
Air Force-Navy
Assembly
32
SECTION II
ILLUSTRATED PARTS LIST
Source codes
Materiel
Source
P1
Maint.level
Illustrations
Recoverability
H
P1
H
P1
H
P1
P1
P1
H
H
H
Federal
Stock No.
4920-739-4584
4920-056-0538
R
4920-056-0539
4920-056-0536
4920-513-6675
4920-099-8364
P1
P1
P1
H
H
H
6115-522-4441
4920-511-8428
4920-511-8404
P1
P1
P1
P1
P1
P1
P1
P1
H
H
H
H
H
H
H
H
4920-398-1371
4920-398-1372
4920-398-1373
4920-303-0606
4920-098-6539
4920-098-6540
4920-398-1374
4920-398-1375
Description
STARTER TORQUE TESTER, Type B-1, P/N RT320-200
INTRCH 4920-223-8877
BRAKE DRUM AND MOUNTING PLATE ASSY, P/N
DT320-256
LOCKNUT, Ball Bearing (SAE No. N-11)
LOCKWASHER, STD Ball Bearing (SAE No. W-11)
KEY, Drive Shaft, P/N AT320-259
BRAKE ASSY, P/N H2-353
NUT, Self-Locking, P/N AN365-918
WASHER, Plain, P/N AN960-916
BOLT, Aircraft, P/N AN9-35A
BRAKE PRESSURE CONTROL ASSY, P/N BT320-265
NUT, Self-Locking, P/N AN365-918
WASHER, Plain, P/N AN960-916
BOLT, Aircraft, P/N AN9-40A
TORQUEMETER, P/N DT320-293
TORQUEMETER, P/N DT320-290
TORQUEMETER, P/N DT320-213
PIN, Cotter, P/N AN381-4-18
PIN, Pivot, Upper, P/N AT320-235
PIN, Pivot, Lower, P/N AT320-234
TACHOMETER, P/N 870C .
CABLE, P/N 95000
DRIVE ASSY, P/N BT320-204
DRIVE ASSY, Tachometer, Reduction, 10 to 1,
Reduction P/N 649B 100
JAW, Three-Tooth, Right-Hand Small, P/N BT320-252-1
JAW, Three-Tooth, Left-Hand Small, P/N BT320-252-2
JAW, Twelve-Tooth, Right-Hand Small, P/N BT320-253-1
JAW, Twelve-Tooth, Left-Hand Small, P/N BT320-253-2
JAW, Twelve-Tooth, Right-Hand Large, P/N BT320-254-1
JAW, Twelve-Tooth, Left-Hand Large, P/N BT320-254-2
JAW, Three-Tooth, Right-Hand Large, P/N BT320-255-1
JAW, Three-Tooth, Left-Hand Large, P/N BT320-255-2
SCREW, Cap, Socket Head, 5/16-18NC3 by 2-3/4
Inches
33
Unit
of
issue
Qty
per
assy
EA
1
EA
EA
EA
EA
EA
1
1
1
2
1
5
5
5
1
2
2
2
1
1
1
4
1
1
1
1
1
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
1
1
1
1
1
1
1
1
1
1
EA
EA
EA
EA
EA
EA
ex-pendability
Qty
authorized
Fig
no
*
1
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Item
no
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
1
2
3
4
5
6
7
8
9
10
11
12
13
13
13
14
15
16
17
18
19
5
5
5
5
5
5
5
5
5
5
20
21
21
21
21
21
21
21
21'
22
P1
H
4920-056-0534
P1
P1
P1
P1
H
H
H
H
4920-511-8407
4920-511-8408
4920-511-8409
4920-511-8410
P1
H
4920-056-0534
ADAPTER, P/N DT320-247
SCREW, Cap, Socket Head, 5/16-18NC3 by 2 Inches
COUPLING, P/N BT320-295
COUPLING, P/N BT320-296
COUPLING, P/N BT320-297
COUPLING, P/N BT320-298
SCREW, Cap, Socket Head, 5/16-18NC3 by 2-3/8 Inches
ADAPTER, P/N DT320-247
SCREW, Cap, Socket Head, 5/16-18NC3 by 2 Inches
HUB, Carrying Arm, P/N DT320-261
ARM, Carrying, P/N GT320-263
BASE AND FRAME ASSY, No Number
WRENCH, Clutch Nut, P/N BT320-285
WRENCH, Clutch Nut, P/N BT320-287
34
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
*
*
*
*
*
5
5
5
5
5
5
5
5
5
5
5
5
16
16
23
24
25
25
25
25
26
27
28
29
30
31
SECTION III
REFERENCE PUBLICATIONS
Refer to Appendix I.
35
SECTION IV
CROSS-REFERENCE INDICES
ALPHA-NUMERICAL PART NUMBER INDEX
Part No.
Fig. and
Index No.
AN365-918
AN381-4-18
AN9-35A
AN9-40A
AN960-916
AT320-234
AT320-235
AT320-259
BT320-204
BT320-252-1
BT320-252-2
BT320-253-1
BT320-253-2
BT320-254-1
BT320-254-2
BT320-255-1
BT320-255-2
BT320-265
BT320-285
BT320-287
BT320-295
BT320-296
BT320-297
BT320-298
DT320-213
DT320-247
DT320-256
DT320-261
DT320-290
DT320-293
GT320-263
H2-353
RT320-200
649B100
870C
95000
5-6, 5-10
5-14
5-8
5-12
5-7, 5-11
5-16
5-15
5-4
5-19
5-21
5-21
5-21
5-21
5-21
5-21
5-21
5-21
5-9
16165-25
5-25
5-25
5-25
5-13
5-23, 5-27
5-1
5-29
5-13
5-13
5-30
5-5
15-20
5-17
5-18
Federal
Stock NO.
4920-511-8404
4920-398-1371
4920-398-1372
4920-398-1373
4920-303-0606
4920-098-6539
4920-098-6540
4920-398-1374
4920-398-1375
4920-056-0539
4920-511-8407
4920-511-8408
4920-511-8409
4920-511-8410
4920-099-8364
4920-056-0534
4920-513-6675
4920-056-0536
4920-056-0538
4920-739-4584
6115-522-4441
4920-511-8428
36
Federal Code
for
Manufacturer
Page
88044
88044
88044
88044
88044
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
74080
26337
26337
57733
57733
33
33
33
33
33
33
33
33
33
33
33
33
33
33
33
33
33
33
34
34
34
34
34
34
33
34
33
34
33
33
34
33
33
33
33
33
NUMERICAL STOCK NUMBER INDEX
Federal
Stock No.
Fig. and
Index No.
4920-056-0534
4920-056-0536
4920-056-0538
4920-056-0539
4920-098-6539
4920-098-6540
4920-099-8364
4920-303-0606
4920-398-1371
4920-398-1372
4920-398-1373
4920-398-1374
4920-398-1375
4920-511-8404
4920-511-8407
4920-511-8408
4920-511-8409
4920-511-8410
4920-511-8428
4920-513-6675
4920-739-4584
6115-522-4441
5-23, 5-27
5-13
5-5
5-9
5-21
5-21
5-13
5-21
5-21
5-21
5-21
5-21
5-21
5-19
5-25
5-25
5-25
5-25
5-18
5-13
15-17
Part No.
DT320-247
DT320-293
H2-353
BT320-265
BT320-254-1
BT320-254-2
DT320-213
BT320-253-2
BT320-252-1
BT320-252-2
BT320-253-1
BT320-255-1
BT320-255-2
BT320-204
BT320-295
BT320-296
BT320-297
BT320-298
95000
DT320-290
RT320-200
870C
37
Federal Code
for
Manufacturer
Page
26337
26337
74080
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
26337
57733
26337
26337
57733
34
33
33
33
33
33
33
33
33
33
33
33
33
33
34
34
34
34
33
33
33
33
INDEX
Paragraph
Adapter Pads, and Jaws
Description ...................................... 38
Inspect ............................................ 38
Removal ......................................... 38
Installation ...................................... 38
Page
19
19
19
19
Brake Assembly
Cleaning, Inspection, and Repair 33,50
Description ................................. 33,48
Installation ...................................... 46
Removal ......................................... 46
17,22
17,22
20
20
Brake Pressure Control Assembly
Adjustments .................................... 34
Description.................................. 34,52
Inspection ........................................ 34
Installation ...................................... 47
Removal .......................................... 47
Servicing ........................................ 34
Testing ............................................ 55
18
18,22
18
21
21
18
23
Paragraph
Limited Storage, Preparation ................. 63
Loading for Shipment ............................. 62
Page
25
24
Lubrication
Detailed .......................................... 27
General............................................ 26
14
14
Maintenance Repair Instructions,
Organizational
Adapter Pads and Jaws ................... 38
Brake Assembly............................... 33
Brake Pressure Control Assembly.... 34
Tachometer ..................................... 37
Torquemeter ................................... .36
19
17
18
19
18
Model Differences ................................... 5
4
Nameplate ............................................... 4
4
12
13
Charts
Operators Daily Preventive
Maintenance .................................... 29
Organizational Preventive
Maintenance .................................... 30
16
Operation of Components Used in
Conjunction With Major End Item
Accessories .................................... 22
Mounting Adapters........................... 23
16
Preparation Before Starting ................... 17
8
Controls, Operator's .............................. 14
7
Preventive Maintenance Services
Operational ..................................... 29
Organizational ................................ 30
16
16
Record and Report Forms ....................... 2
2
Demolition
Decision to Destroy ......................... 66
Explosives and Weapons Fire ......... 68
Render Inoperative ......................... 67
Submersion ..................................... 69
25
25
25
25
Description, Starter Torque Tester............ 3
3
Domestic Shipment, Preparation ........... 61
24
Equipment Handling .............................. 20
Gages .................................................... 35
9
18
Inspection Upon Receipt ......................... 9
5
Inspection and Maintenance While
in Storage ........................................ 64
Removal and Installation of
Major Components
Brake Assembly .............................. 46
Brake Pressure Control
Assembly ......................................... 47
Tachometer .................................... 37
Torquemeter .................................. 45
21
19
20
Repair Parts
Direct Support, General Support,
and Depot Maintenance .................. 40
Organizational ................................ 25
20
14
Scope of Manual ...................................... 1
Servicing Upon Receipt ......................... 10
2
5
Special Tools and Equipment
Direct Support, General Support,
and Depot Maintenance .................. 39
Organizational ................................ 24
20
14
20
25
Installation of Separately Packed
Components .................................... 11
5
Installation of Starter Torque Tester. ...... 12
7
38
Paragraph
Page
Starting and Operating .......................... 18
8
Stopping Operations............................... 19
9
Tabulated Data ....................................... 6
4
Paragraph
Description .............................. 36,56
Installation .................................... 11
Removal ....................................... 45
Testing ........................................ 60
23
18,23
5
20
Trouble shooting
Tachometer
Description ...................................... 37
Inspection ....................................... 37
Installation ...................................... 11
Removal .................................... ..... 37
Servicing ....................................... . 37
Page
19
19
5
19
19
Torquemeter
Cleaning, Inspection, and
Repair ...........................................36,58 18,23
39
Direct Support, General Support,
and Depot Maintenance ............... 41
Organizational ............................. 31
20
17
Unpacking............................................. 8
5
HEADQUARTER S
DEPARTMENT OF THE ARMY
WASHINGTON, D. C., 26 February 1965
TM 55-4920-234-15 is published for the use of all concerned.
By Order of the Secretary of the Army:
Official:
J. C. LAMBERT,
Major General, United States Army,
The Adjutant General.
HAROLD K. JOHNSON,
General, United States Army,
Chief of Staff.
DISTRIBUTION:
To be distributed in accordance with DA Form 12-31 requirements for other literature of a general nature.
* U.S. GOVERNMENT PRINTING OFFICE : 1989 0 - 242-894 (07015)
The Metric System and Equivalents
Linear Measure
Liquid Measure
1 centiliter = 10 milliters = .34 fl. ounce
1 deciliter = 10 centiliters = 3.38 fl. ounces
1 liter = 10 deciliters = 33.81 fl. ounces
1 dekaliter = 10 liters = 2.64 gallons
1 hectoliter = 10 dekaliters = 26.42 gallons
1 kiloliter = 10 hectoliters = 264.18 gallons
1 centimeter = 10 millimeters = .39 inch
1 decimeter = 10 centimeters = 3.94 inches
1 meter = 10 decimeters = 39.37 inches
1 dekameter = 10 meters = 32.8 feet
1 hectometer = 10 dekameters = 328.08 feet
1 kilometer = 10 hectometers = 3,280.8 feet
Square Measure
Weights
1 sq. centimeter = 100 sq. millimeters = .155 sq. inch
1 sq. decimeter = 100 sq. centimeters = 15.5 sq. inches
1 sq. meter (centare) = 100 sq. decimeters = 10.76 sq. feet
1 sq. dekameter (are) = 100 sq. meters = 1,076.4 sq. feet
1 sq. hectometer (hectare) = 100 sq. dekameters = 2.47 acres
1 sq. kilometer = 100 sq. hectometers = .386 sq. mile
1 centigram = 10 milligrams = .15 grain
1 decigram = 10 centigrams = 1.54 grains
1 gram = 10 decigram = .035 ounce
1 decagram = 10 grams = .35 ounce
1 hectogram = 10 decagrams = 3.52 ounces
1 kilogram = 10 hectograms = 2.2 pounds
1 quintal = 100 kilograms = 220.46 pounds
1 metric ton = 10 quintals = 1.1 short tons
Cubic Measure
1 cu. centimeter = 1000 cu. millimeters = .06 cu. inch
1 cu. decimeter = 1000 cu. centimeters = 61.02 cu. inches
1 cu. meter = 1000 cu. decimeters = 35.31 cu. feet
Approximate Conversion Factors
To change
To
inches
feet
yards
miles
square inches
square feet
square yards
square miles
acres
cubic feet
cubic yards
fluid ounces
pints
quarts
gallons
ounces
pounds
short tons
pound-feet
pound-inches
Multiply by
centimeters
meters
meters
kilometers
square centimeters
square meters
square meters
square kilometers
square hectometers
cubic meters
cubic meters
milliliters
liters
liters
liters
grams
kilograms
metric tons
Newton-meters
Newton-meters
2.540
.305
.914
1.609
6.451
.093
.836
2.590
.405
.028
.765
29,573
.473
.946
3.785
28.349
.454
.907
1.356
.11296
To change
ounce-inches
centimeters
meters
meters
kilometers
square centimeters
square meters
square meters
square kilometers
square hectometers
cubic meters
cubic meters
milliliters
liters
liters
liters
grams
kilograms
metric tons
To
Newton-meters
inches
feet
yards
miles
square inches
square feet
square yards
square miles
acres
cubic feet
cubic yards
fluid ounces
pints
quarts
gallons
ounces
pounds
short tons
Temperature (Exact)
°F
Fahrenheit
temperature
5/9 (after
subtracting 32)
Celsius
temperature
°C
Multiply by
.007062
.394
3.280
1.094
.621
.155
10.764
1.196
.386
2.471
35.315
1.308
.034
2.113
1.057
.264
.035
2.205
1.102
PIN: 009590-000
This fine document...
Was brought to you by me:
Liberated Manuals -- free army and government manuals
Why do I do it? I am tired of sleazy CD-ROM sellers, who take publicly
available information, slap “watermarks” and other junk on it, and sell it.
Those masters of search engine manipulation make sure that their sites that
sell free information, come up first in search engines. They did not create it...
They did not even scan it... Why should they get your money? Why are not
letting you give those free manuals to your friends?
I am setting this document FREE. This document was made by the US
Government and is NOT protected by Copyright. Feel free to share,
republish, sell and so on.
I am not asking you for donations, fees or handouts. If you can, please
provide a link to liberatedmanuals.com, so that free manuals come up first in
search engines:
<A HREF=http://www.liberatedmanuals.com/>Free Military and Government Manuals</A>
– Sincerely
Igor Chudov
http://igor.chudov.com/
– Chicago Machinery Movers
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertising