TM-9-4910-610-14-and-P

TM-9-4910-610-14-and-P
TM
9-4910-610-14
&
DEPARTMENT
OF
THE
ARMY
TECHNICAL
MANUAL
OPERATOR, ORGANIZATIONAL, DIRECT SUPPORT
AND GENERAL SUPPORT MAINTENANCE
MANUAL INCLUDING REPAIR PARTS LIST
FOR
TESTER,
COMPRESSION
(KIENE DIESEL ACCESSORIES, INC)
(4910-00-808-4300)
HEADQUARTERS,
DEPARTMENT
DECEMBER
OF
THE
1977
ARMY
P
REPORTING OF ERRORS
You can help improve this manual by calling attention to errors
and by recommending improvements and by stating your reasons for
the recommendations. Your letter or DA Form 2028 (Recommended
Changes to Publications and Blank Forms) should be mailed directly to Commander, US Army Armament Materiel Readiness Command,
ATTN: DRSAR-MAS, Rock Island, IL 61299. A reply will be furnished directly to you. For your convenience, preaddressed DA
Form 2028’s are included as final pages of this manual.
Operator, Organizational, Direct Support and General Support
Maintenance Manual Including Repair Parts List for:
Tester, Compression, Model C-400
(4910-00-808-4300)
NOTE
This manual is published for the purpose of identifying an authorized commercial manual for the use of the personnel to whom the
tester is issued.
Manufactured by:
Kiene Diesel Accessories
Addison, IL 60101
Procured under Contract No:
DAAA09-76-M-6020
The instrument is pocked in the carrying case with the flexible hose disconnected. Unscrew the Jacking
Out Nut, C-13 off the valve assembly. The instrument is then ready for use. It is connected to the engine
cylinder by means of a suitable adaptor.
adaptors designed for all types and sizes of diesels. Spark plug adaptors are avaiIable for
There are
compression testing gas engines. Gages are furnished in whatever range necessary.
This adapter is either a fuel injector dummy or a spark plug dummy,
COMPRESSION TESTING:
whichever is easiest in application and best suited for the purpose. Remove the fuel injector or spark plug
from the cylinder to be indicated; shut off or by-pass the fuel from the cylinder: TURN THE ENGINE
OVER A FEW REVOLUTIONS TO BLOW OUT CARBON OR ANY OTHER FOREIGN MATTER FROM THE
PORT BEFORE CONNECTING THE ADAPTOR AND THE INSTRUMENT; run engine at manufacturer’s recommended speed for compression testing. Actual compression will be registered by the gage pointer
after a few revolutions.
Unions are provided on the flexible hose and an elbow is fitted to CONNECTOR R I N G 4.
Changing the flexible hose lead from the valve assembly is made easy with the unions and there is no need
to disturb the pipe joints on CONNECTOR RING. An up lead or angle lead can be made quickly from the
valve assembly to c1ear such possible obstructions as throttIe gear, strainers, purifiers, rocker arms, valve
gear, etc. In a few instances of difficult application because of congested space, the CAP NUT 5 and
the CONNECTOR RING 4 are removed from the valve body assembly. The adaptor and valve body
assembly are then fitted to the engine port. Making up the CONNECTOR RING 4 and the CAP NUT 5
does not require much overhead space.
MAINTENANCE: Length of good service to be expected from the instrument depends on severity of conditions to which it is subjected. Continued exposure to fouling cylinders will soon foul the instrument with
carbon and varnish deposits and cleaning will be necessary at more frequent intervals. Best practice under
such conditions is to use the instrument for as short a period of time as is needed to obtain satisfactory readings. Frequency of the need for cleaning can be reduced considerably by blowing a good grade of lubricant
through the instrument. Any safe detergent oil can be squirted in at the FILTER PLUG C-8 or into the
adaptor before connecting the instrument to engine. Open BLEEDER VALVE C-18 and allow engine pressure
to blow oil through the length of instrument. This accomIishes a good lubricating iob and tends to prevent the hard formations of carbon. It is especially good practice to do this lubrication when testing the
last cylinder and before the instrument is put aside for any long period of time.
EVIDENCE OF DEFECTIVE OPERATION AND RECOMMENDED CORRECTIONS: At the factory, the instrument is tested over the gage range. It is gas tight and correct within one percent before being shipped.
If the gage pointer follows the cycle pressures of the cylinder indicated, cause maybe due to excessive valveclearance, seizure of the valve or excessive leakage through some joint of the instrument. If instrument
does not retain pressure when cut off from the cylinder indicated, excessive clearance is the cause and
should be remedied as under “ADJUSTMENT” on valve setting.
A seized valve can frequently be freed by opening and closing the BLEEDER VALVE 18 a few times w h i l e
instrument is subjected to engine pressure. This also can be tried to loosen carbon or any other foreign
matter which may have lodged between valve and seat. If either of the foregoing conditions cannot be
corrected in this manner, the instrument must be taken apart for cleaning.
Should the instrument not hold pressure for a reasonable length of time after it is cut off from the engine
pressure, source of leakage can be detected by immersing all connections in water. DO NOT IMMERSE
T HE GAGE BELOW ITS CONNECTION. Examine evidence of Ieakage for looseness, dirt or damage.
A dry joint will often seat imperfectly and can be corrected with an application of graphited grease.
DISASSEMBLY: Hold Body C1 in vise at hex section: Remove CAP NUT C-5: Remove
CONNECTOR RING C-4:
Loosen LOCK NUT C-3:
Loosen STUD C-2 with KEY
C-23: Remove remainder of
assembly from vise invert and
hold vertically while unscrewing B O D Y C - 1 f r o m S T U D C - 2
and r e m o v e VALVE C-6 with
utmost
care.
VALVE
MAY
STICK TO VALVE SEAT C-7 in
body or in valve bore of STUD
C-2. Valve section is too thin
to withstand damage from much
localized pressure in hand Iing
or accidental dropping. FILTER PLUG C-8 is removed by
unscrewing from BODY C-1.
VALVE SEAT C-7 is removed
by inserting the smalI diameter
end of the JACKING OUT PIN
C-12 into the stem bore of the
VALVE SEAT C-7 and screwing the JACKING OUT NUT
C-13 on to the BODY C-1 at
thread “a“ until the VALVE
SEAT C-7 is free.
There is no need to remove the VALVE SEAT C-7 i n the process of cleaning.
A mixture of oiI and BONAMI on a soft swab wiII remove varnish or tar deposits from seat surface. If the seat surface has been damaged by some foreign
matter from neglect to blow adaptor or engine port clear as instructed
correction should be tried by rotating true in a lathe or polishing head and
using crocus cloth only. Otherwise, if damage is considered serious, it is
best to replace the valve seat. The valve seat face angle and the center
support reguIate the proper seating action of the valve.
REASSEMBLY: A TUBE OF GRAPHITED GREASE IS FURNISHED WITH THE
INSTRUMENT AND SHOULD BE USED GENEROUSLY ON ALL THREADS
AND JOINTS. Thoroughly clean BODY C-1 and secure in vise at hex section; bring small diameter of JACKING OUT PIN C-12 up through FILTER
PLUG bore in BODY to help guide VALVE SEAT down. Valve seat stem is
slightly tapered at one end for easy entry into bore of body. Exert light
pressure downward at center of valve seat with a matchstick so no damage is
done to seat surface. Screw VALVE SEATING TOOL C-14 down to press
valve seat in place; unscrew valve seating tool; remove assembly from vise;
screw FILTER PLUG C-8 into body.
The STUD RING C-2R is set at the factory. Sufficient clearance is allowed
for characteristic c valve adjustment and this STUD RING setting prevents any
possible damage to VALVE C-6 when positioning STUD C-2. Thoroughly clean
STUD C-2 and make sure that vent at “c“ is clear: Hold STUD C-2 with
valve bore up; drop a small quantity of good lubricating oiI into bore and insert valve stem. Screw BODY
C-1 down on STUD C-2 finger tight. Turn assembly right end up and secure in vise at hex section of body;
tighten stud firmly with KEY C-23; lock STUD C-2 to BODY C-1 with LOCK NUT C-3; use screwdriver
C-22 and THUMBWRENCH C-11 to adiust valve as under “Valve Adjustment” below. Place CONNECTOR
RING C-4 over STUD C-2, sixty degree seat to sixty degree face of the LOCK NUT C-3. Screw CAP
NUT C-5 into STUD C-2 to make gas tight seat.
VALVE ADJUSTMENT: Good adjustment for average conditions is made as fol lows: With LOCK NUT C3 locking STUD C-2 in BODY C-1 as previously described, turn the CLEARANCE ADJUSTING SCREW
C-9 against the VALVE C-6 with Iight pressure untiI the valve is felt to be slightly depressed against
valve seat. Then unscrew untiI the pressure is felt to release. From this contact release r unscrew CLEARANCE ADJUSTING SCREW C-9 a little more than 1/8 a turn and lock this setting with A D J U S T I N G
SCREW LOCK NUT C-10. The SCREWDRIVER C-22 and THUMBWRENCH C-11 are furnished for this purpose. The screwdriver fits through the bore of the thumb wrench and holds the adjusting screw in place
while lock nut is tightened. The contact release point of the valve from the seat can easily be detected
and the adjustment of the valve is not too difficult after a little practice.
THE GAGE: When it is suspected that the gage is in error and a few different pressures are available which
are known to be correct check gage against these known pressures. If positive error is found, recalibration
is recommended with a dead weight tester.
TO PROLONG LIFE ON THE INSTRUMENT:
BLOW THE INDICATOR ADAPTOR AND ENGINE PORT CLEAR OF ALL FOREIGN MATTER BEFORE
ATTACHING lNSTRUMENT FOR U S E .
LUBRICATE THE INSTRUMENT. DO THIS ESPECIALLY BEFORE LAYING ASIDE FOR ANY LONG
PERIOD OF TIME. LUBRICATE OFTEN WHEN USED ON FOULING CYLINDERS.
USE GRAPHITED GREASE ON THREADS AND JOINTS WHEN REASSEMBLING INSTRUMENT.
CHECK THE GAGE IF IT IS ACCIDENTALLY DAMAGED. THIS INSTRUMENT IS ONLY AS ACCURATE
AS ITS GAGE.
REPLACEMENT PARTS LIST FOR
MODEL C-400 COMPRESSION TESTER
PART NO.
PART NO.
C-1
C-2
C-2R
C-3
C-4
C-5
C-6
C-7
C-8
C-9
C-10
C-11
C-12
Body
Stud
Stud Ring
Lock Nut
Connector Ring
Cap Nut
Valve
Valve Seat
Filter Plug
Clearance Adjusting Screw
Adjusting Screw Lock Nut
Thumb Wrench (Service Tool)
Jacking Out Pin (Service Tool)
C-13
C-14
C-15
C-18
C-19
C-20
C-21
C-22
C-23
C-30
C-31
C-32
Jacking Out Nut (Service Tool )
Valve Seating Tool (Service Tool)
Gage Connector Body
Bleeder Valve
Flexible Tube
Carrying Case
Pressure Gage
Screw Driver
Stud Adjusting Key (Service Tool)
Connector
Connector
Elbow
By Order of the Secretary of the Army :
BERNARD W. ROGERS
General, United States
Chief of Staff
Official :
Army
J. C. PENNINGTON
Brigadier
General, United States
The Adjutant General
Army
*U.S.
GOVERNMENT
PRINTING
OFFICE:
1982-0-361-663/316
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