Model WEP-80 Prefeeder Installation & Maintenance Manual

Model WEP-80 Prefeeder Installation & Maintenance Manual
Model WEP-80
Prefeeder
Installation &
Maintenance Manual
Refer all servicing to
qualified personnel.
This manual is intended
for use by qualified
mechanics and electricians
who install or service the
WEP-80 Prefeeder.
Please copy this
information from the
WEP-80 Prefeeder’s
serial plate.
➟
Model Number:
Serial Number/Date:
Inventory Number (Check One):
❑ WE8Ø22XDCA
❑ WE8Ø22XDSA
First Edition, Preliminary Version, All Rights Reserved.
Copyright © 2003 by Hoppmann Corporation
15395 John Marshall Highway
Haymarket, Virginia 20169
Phone: (703) 753-8888
Toll Free: (800) 368-3582
Fax: (703) 753-7485
www.hoppmann.com • email: pubs@hoppmann.com
WEP-80 Prefeeder Installation/Maintenance Manual
Quick Start
▲
About this Manual
Assumptions
Hoppmann Corporation assumes that all procedures contained in
this manual will be performed by a qualified mechanic or electrician
who must install or service the WEP-80 Prefeeder. All procedures
in this manual should be performed by qualified personnel or
under their direction.
Models Covered
This manual covers two models. If you are unsure of your model,
locate the inventory number on the serial plate of the prefeeder.
Inventory No.
ANSI
WE8022XDCA .................... Cold Rolled Steel, DC Motor
WE8022XDSA..................... Stainless Steel, DC Motor
Caution Symbols
and Messages
Caution symbols and messages in this manual call attention to
hazardous voltages, moving parts and other hazardous conditions.
The exclamation point caution symbol denotes possible personal
injury and/or damage to the equipment.
The lightning bolt caution symbol denotes possible personal injury
and/or damage to the equipment from electrical hazards.
Before You Start
2
Tools You Will Need
The WEP-80 elevating prefeeders is offered in the ANSI version.
For maximum compatibility, ANSI units are classified as “soft
ANSI” construction, meaning that metric threads and hardware
are used throughout. Both metric and ANSI units require metric
tools for repair or adjustment.
Equipment Improvements &
Document Revisions Notice
Hoppmann Corporation continually improves its products and reserves the right to change or
discontinue specifications and designs shown in this manual without notice and without
incurring obligation. Hoppmann Corporation has made every effort to verify the information
contained in this manual, but reserves the right to correct any error at the time of the manual’s next
revision. This manual is subject to change without notice.
Table of Contents
Page
Chapter
Quick Start
2
2
About this Manual
Before You Start
Prefeeder Description
& Specifications
5
The WEP-80 Elevating Prefeeder: An Overview
5
6
Figures
Figure 1-1. WEP-80 Elevating Prefeeder
Figure 1-2. WEP-80 Prefeeder Specifications
Safety Precautions
7
7
Safety Precautions
Operating & Maintenance: Do's & Don'ts
2
Installation & Startup
10
10
10
11
12
12
13
13
If the Prefeeder is Already Set Up
Unpacking and Inspection
Physical Setup
Installing Hopper Extensions
Installing Elevator Extensions
Installing Belts and Belt Extensions
Level Sensor
Establishing the Correct Prefeeder Speed
3
10
11
11
11
12
12
13
14
15
Figures
Figure 3-1. Hopper Extensions
Figure 3-2. Belt
Figure 3-3. Elevator Extension
Figure 3-4. Adjusting the Dump Height
Figure 3-5. Recommended Dump Heights
Figure 3-6. Takeup-Pulley Arrangement
Figure 3-7. Level Sensor Mount Package
Figure 3-8. DC ANSI Suggested Wiring Diagram-Horizontal
Figure 3-9. DC ANSI Suggested Wiring Diagram-Elevator
1
3
WEP-80 Prefeeder Installation/Maintenance Manual
Page
Repair & Maintenance
Spare Parts
4
Chapter
17
17
18
Drive Pulley
ANSI/Metric Motor and Reducer Maintenance
Preventive Maintenance Log
17
Figures
Figure 4-1. ANSI Drive Pulley Assembly
19
19
19
19
20
21
Notice to Hoppmann Corporation Customers
Notice to Dealer and OEM Customers
In North America
In Europe
WEP-80 Recommended Spares - ANSI
Warranty
4
5
Prefeeder Description & Specifications
1
The WEP-80 Prefeeder: An Overview
Function
The WEP-80, Prefeeder is designed to load large products into a
feeder or other equipment for singulation and/or orientation. The
"80" refers to the supply hopper capacity of 80 cubic feet. See Figure
1-1 for a diagram of the WEP-80 Prefeeder and Figure 1-2 for the
WEP-80 Prefeeder Specifications.
Operation of Equipment
Product is loaded, at floor level, into a supply hopper. Two
independently controlled variable speed drives ensure gentle
product metering. The conveyor belt forms the bottom of the
supply hopper and moves forward delivering parts into the cleated
elevator belt. Then product is raised out of the hopper by means of
the cleated belt and metered into either the recipient feeder bowl
or other equipment.
Side Guides
Drive Motor ✱
Elevating
Belt ✱
Head
Chute
Bottom
Pad ✱
Elevator
Supply
Hopper
Front Legs
Leveling Feet ✱
Figure 1-1. WEP-80
Elevating Prefeeder
✱ Recommended Spare
(See Pages 17-18)
5
WEP-80 Prefeeder Installation/Maintenance Manual
A.
B.
C.
D.
E.
F.
Product Specifications
ANSI
Metric
Drive Motor Size-Horizontal Belt
Drive Motor Size-Elevator
Drive Motor Frame Size
Supply Voltage
Drive Motor Voltage
Power Usage-Horizontal Belt
Power Usage-Elevator
Weight
Hopper Capacity
1
/8 HP
/2 HP
NEMA 56C
115 VAC
90 VDC
4 amps
7 amps
2426 lbs
80 ft3
186 W
370 W
IEC 71D
240 VAC
240 VAC 3PH
2 amps
4 amps
1118 kg
2200 liters
Overall Height
Overall Width
Overall Length
Dump Height (adjustable)
Hopper Load Height
Belt Width
98”
72”
136”
58”
50”
24”
2489 mm
1829 mm
3453 mm
1473 mm
1270 mm
610 mm
1
B
C
A
D
E
Your direct supplier may have changed some of these specifications
during tooling to better match your application’s requirements.
Figure 1-2. WEP-80 Prefeeder Specifications
6
Safety Precautions
2
Safety Precautions
Turn Off Power! Before servicing, make sure you have turned off
compressed air and electrical power in a way which prevents
accidental reactivation. Padlock and clearly tag the appropriate
electrical and pneumatic disconnects. Lockout/tagout procedures
are covered in United States Code of Federal Regulation (CFR)
Title 29 Part 1910.147, “The Control of Hazardous Energy.”
Dress Appropriately! Reduce the risk of injury from moving parts
by securing loose sleeves and other clothing. Do not wear loose
jewelry or neckties near the prefeeder. Wear safety glasses or other
protective eyewear when servicing or operating the prefeeder.
Never place hands or tools in the prefeeder when it is operating.
Install Safety Covers! Make sure the prefeeder remains safe to
operate. Be sure all safety covers have all been installed before
returning the prefeeder to normal operation. Safety covers on the
prefeeder include any covers installed by your direct supplier as
well as standard permanent guarding.
Operating & Maintenance: Do's & Don'ts
Don’t Install the Prefeeder Near Flammable Gas, Vapor or
Dust. You must install additional approved explosion-proof or
dust ignition-proof enclosures if installation occurs under these
conditions. Without such additional enclosures, normal sparking
of the brushes inside the motor could ignite flammable gas, vapor
or dust.
Do Use the Same or Identical Mounting Screws if Replacing the
Motor. If longer mounting screws are used, they may come into
contact with parts of the motor that conduct electricity.
7
WEP-80 Prefeeder Installation/Maintenance Manual
Notes
8
Installation & Startup
3
If the Prefeeder is Already Set Up
▲
If you buy a Hoppmann prefeeder as part of a Hoppmann feeder
system, then your direct supplier will have performed all the
procedures in this chapter. You will still need to:
Position your Prefeeder. Follow the equipment layout drawing
provided by your direct supplier.
Connect Electrical Wiring. Follow as-built electrical diagrams
provided by your direct supplier.
Make Pneumatic Connections. If your prefeeder has a hopper
agitator, your direct supplier will give you setup specifications.
Install and Test the Rest of the System. Installation is complete.
▲
▲
▲
If the Hoppmann prefeeder is drop-shipped to your location, follow the
procedures in this chapter to finish setting up the prefeeder.
Unpacking and Inspection
Step 1— Inspect and Unpack the Crate. Remove packing materials
from sensors, tooling and moving parts. Make a visual check to be
sure parts have not come loose during shipping. If you find any
concealed damage, call the shipping carrier and your direct supplier immediately. Do not attempt to fix the problem yourself
unless told to do so by your direct supplier.
Step 2—Record Serial Number of Prefeeder. If you have not
already done so, record the prefeeder's model and serial number
on the front of this manual. This information is necessary when
ordering replacement parts or service.
Physical Setup
Step 1—Position the Prefeeder. Place the prefeeder as shown on
the equipment layout drawing provided by your direct supplier.
▲
Continued
9
WEP-80 Prefeeder Installation/Maintenance Manual
Step 2—Position the Prefeeder. If you are using a Hoppmann
Centrifugal Feeder, position the prefeeder so discharged product
falls halfway between the center and the inside radius of the bowl
(opposite from the point where product loads onto the rim for
qualification—refer to Hoppmann Centrifugal Feeder manual).
Avoid positioning the prefeeder in a way that allows product to
bounce up onto the rim of the bowl and disturb parts that are
already oriented . If you are not using a Hoppmann Centrifugal
Feeder, follow the equipment layout drawing provided by your
direct supplier, or the prefeeder may not operate correctly. Level
the unit by adjusting the leveling feet and tighten the locknuts.
Step 3—Connect Power and Air. Connect the prefeeder to power
and compressed air (if applicable). If your prefeeder has a hopper
agitator, your direct supplier will provide you with setup
specifications.
Installing Elevator Extensions
Lacing
Pin
Standard
Belt
Figure 3-2. Belt
10
When adding elevator extensions, the prefeeder's higher center of
gravity may cause it to tip. Before installation, take necessary
steps to restabilize the prefeeder. To avoid possible injury, have
someone assist you by supporting the head section during removal
and installation.
Step 1—Remove Belt. To install an elevator extension to an EP series
prefeeder, first rotate the belt so that the lace and pin are located on
the underside (return side) of the elevator extension. Next, loosen
both sides of the lower pulley takeup brackets. With the belt loose,
remove the lacing pin. See Figure 3-2 for part description.
Chapter 3 Installation & Startup
Side
Guide
Extension
Head
Side
Guide
Step 2—Remove Head. Remove the bolts which secure the side
guide to the head section. Then remove the two bolts on each side
of the prefeeder head which secure the head section to the elevator
and remove the head. See Figure 3-3 for part description.
Step 3—Install Extension(s). Attach the splice plates to each side
of the main elevator section. Then, reinstall the head and secure to
the splice plates.
Elevator
Extension
Elevator
Figure 3-3.
Elevator Extension
Suspension
Points
Suspension
Points
Figure 3-4. Adjusting
the Dump Height
Step 4—Reinstall Belt. Install side guide extension, belt and belt
extension. See steps 2 and 3 ofInstalling Belts and Belt Extensions, page 12.
Step 5—Adjust Dump Height. Once the extension is installed,
you may need to adjust the dump height by more than the leveling
feet will allow. To adjust the dump height of the prefeeder, loosen
the six suspension points which connect the elevator and front legs
to the frame of the prefeeder on both sides. See Figure 3-4 for
location of suspension points. This will allow the unit to pivot
when adjusting the dump height. Then, raise or lower the height
of the front legs by changing the holes in which the legs connect to
the frame. (Extra holes are provided to move the legs up or down.)
When the desired dump height is obtained, tighten the locknuts in
the front legs and the six suspension points to secure the unit. See
Figure 3-5 for recommended dump heights and Figure 1-2,
dimension “C”, for dump height specifications.
Dump Height References
24" Extension
78" - 86"
Heights exceeding 86" are not recommended.
Figure 3-5. Recommended Dump Heights
11
WEP-80 Prefeeder Installation/Maintenance Manual
Installing Belts and Belt Extensions
Tensioner
Bracket
Tension Rod
Takeup-Pulley
(lower with
bearings)
Shaft
Idler Collar
Bearing
Figure 3-6.
Takeup-Pulley
Arrangement
Step 1—Disconnect Power and Install Belts. Turn off the prefeeder
and lock out power. Install belt, belt extensions and lacing pins. See
Figure 3-2 for part description. Reinstall all underside guards that
may have been removed during installation.
Step 2—Adjust tracking. Turn on the prefeeder and set to a slow
speed to observe tracking of the belt. Run a new belt at least several
complete revolutions before adjusting tracking. If the belt pulls to
one side or if the belt moves from side to side, adjust the tensioner
bracket on the side to which the belt is pulling. See Figure 3-6 for
part description.
Do not overtighten the belt. When tightening the takeup pulley,
apply the minimum tension necessary to take up slack and properly
track the belt. If you apply too much tension you can easily destroy
the belt lacing or decrease the life of the pulley bearings. The belt
must be running to access the adjustment.
The more elevator extensions that are installed on your prefeeder,
the greater the slack in the belt. This is normal and should not be
adjusted by overcompensating for the slack. You may
unintentionally apply too much tension and destroy the belt
lacing.
Step 3—Adjust Tracking Again. Run the prefeeder for at least five
minutes. Continue to adjust tracking until the prefeeder runs
consistently without tracking problems.
Step 4—Adjust Tensioning. A properly tensioned belt will not
slip with a hopper full of product. Tighten or loosen the tension
equally to ensure proper tension. Tighten the locknuts of the
tension rod. To avoid injury, turn off the prefeeder before checking
tension. Do not set tools where they can fall into the hopper or
onto moving parts.
12
Chapter 3 Installation & Startup
Level Sensor
Figure 3-7. Level
Sensor Mount Package
The prefeeder is usually controlled by a level sensor mounted in
the centrifugal feeder or other equipment (see Figure 3-7). The
sensor keeps the level of product, from the prefeeder to the
equipment, relatively constant by controlling the amount of product
metered into the receiving equipment. The level sensor mount
package has been provided with your prefeeder; however, the
package does not include a proximity sensor. The proper proximity
sensor is a standard 8 mm diameter sensor (choice dependent on
electrical system specifications). For further information contact
Hoppmann Corporation or your direct supplier.
Establishing the Correct Prefeeder Speed
To establish the correct prefeeder speed, turn the prefeeder's speed
control to 1/4 its maximum setting. Once the product begins to exit
the centrifugal feeder or other equipment, determine the output of
your prefeeder. To obtain a valid rate, count product for at least a
minute.
13
WEP-80 Prefeeder Installation/Maintenance Manual
WEP-80 Wiring Diagram - DC ANSI - Horizontal
✱ Recommended Spare
(See Pages 17-18)
❹
Plug-In Horsepower ✱
Resistor (R21)
Rotation:
CW
A1
A2
Armature
F+
FA+
A-
Red
Black
Green
L1
❸
L2
❶
Line
Input
P2
Permanent Magnet
DC Motor
P3
P1
Speed Pot
Notes:
INH2
INH1
❷
DC Motor
Speed Controller ✱
▲
Do not use this diagram if your prefeeder has an AC motor or a different motor speed controller
than shown. Follow the suggested wiring drawing provided by your direct supplier.
Start-stop options:
Option 1: Open P3 circuit of speed pot with a pilot duty switch circuit for stop.
Option 2: Interrupt line voltage.
To reverse motor rotation interchange leads A+ and A-.
For additional info: See “KBIC® Solid State DC Motor Speed Control Installation and Operating
Instructions” in U.S.A. from KB Electronics, Inc., Brooklyn, NY 11207. Plug-In Horsepower Resistor
is a registered trademark of KB Electronics Inc. for its electronic motor control circuit apparatus.
▲
▲▲
Specifications
❶
Drive Motor
/8 HP, 90 VDC
Hoppmann Part Number MOTRØ1Ø875
❷
DC Motor Speed
Controller
KBIC-120
Line Input
115 VAC, 60 Hz
Plug-In Horsepower
Resistor (R21)
0.10 Ohm 1/8 HP
❸
❹
1
Figure 3-8. DC ANSI Suggested Wiring Diagram, Horizontal
14
Chapter 3 Installation & Startup
WEP-80 Wiring Diagram - DC ANSI - Elevator
✱ Recommended Spare
(See Pages 17-18)
❹
Plug-In Horsepower ✱
Resistor (R21)
Rotation:
CW
A1
A2
Armature
F+
FA+
A-
Red
Black
Green
L1
❸
L2
Line
Input
P2
❶
Permanent Magnet
DC Motor
P3
P1
Speed Pot
Notes:
INH2
INH1
❷
DC Motor
Speed Controller ✱
▲
Do not use this diagram if your prefeeder has an AC motor or a different motor speed controller
than shown. Follow the suggested wiring drawing provided by your direct supplier.
Start-stop options:
Option 1: Open P3 circuit of speed pot with a pilot duty switch circuit for stop.
Option 2: Interrupt line voltage.
To reverse motor rotation interchange leads A+ and A-.
For additional info: See “KBIC® Solid State DC Motor Speed Control Installation and Operating
Instructions” in U.S.A. from KB Electronics, Inc., Brooklyn, NY 11207. Plug-In Horsepower Resistor
is a registered trademark of KB Electronics Inc. for its electronic motor control circuit apparatus.
▲
▲▲
Specifications
❶
Drive Motor
/2 HP, 90 VDC
Hoppmann Part Number MOTRPMØ1Ø2
❷
DC Motor Speed
Controller
KBIC-120
Line Input
115 VAC, 60 Hz
Plug-In Horsepower
Resistor (R21)
0.25 Ohm 1/2 HP
❸
❹
1
Figure 3-9. DC ANSI Suggested Wiring Diagram, Elevator
15
WEP-80 Prefeeder Installation/Maintenance Manual
Notes
16
Repair and Maintenance
4
Drive Pulley
The main components of the drive pulley assembly are a drive
motor and gear reducer, a drive coupling and a pair of flanged
bearings. Each bearing consists of a bearing insert and a pair of
bearing flanges. See Figure 4-1 for part description. The bearing
inserts are lubrication-free. If a bearing requires replacement, the
bearing flanges can be reused if they appear unworn and undamaged.
Pulley-Drive ✱
(upper)
✱ Bearing
Insert
Drive Shaft
Bearings (see
exploded view
to right )
▲
Gearmotor
Mount
Coupling Halves ✱
& Coupling Spider ✱
ANSI Gearmotor ✱
Bearing
Flange ✱
✱ Recommended Spare
(See Pages 17-18)
Note: Metric configuration slightly different.
Figure 4-1. ANSI Drive Pulley Assembly
ANSI/Metric Motor and Reducer Maintenance
Metric Units
Brand reducers and brand AC drive motors found on metric units
are lubricated for life and require no maintenance.
ANSI Units
If reducer is running hot, check for excessive load, leaking oil or
excessive accumulations of dirt or grease. If the reducer’s sound
level changes or if it vibrates excessively, the reducer may have low
oil level, abnormal loading or worn elements.
17
WEP-80 Prefeeder Installation/Maintenance Manual
Notes
18
Spare Parts
5
Notice to Hoppmann Customers:
To ensure receiving the right part, consult your system operations
manual. Refer to the prefeeder’s model and serial number, which
was recorded on the front of this manual, when ordering
replacement or service parts for your prefeeder. This information is
necessary when ordering replacement parts or service. The system
operations manual lists specific recommended spare parts.
Notice to Dealer & OEM Customers:
Some components listed might have been changed by your dealer
or OEM to work better with your application. To ensure receiving
the right part, verify the part number listed in this manual when
you place your order with your dealer or OEM.
In North America:
Hoppmann Corporation
15395 John Marshall Highway
Haymarket, Virginia 20169 U.S.A.
(703) 753-8888 • Fax (703) 753-7485
www.hoppmann.com
email: hbagby@hoppmann.com
In Europe:
Hoppmann International GmbH
Max-Planck-Str. 95
27283 Verden
Germany
Telefon: 04231/96450
Telefax: 04231/65000
19
WEP-80 Prefeeder Installation/Maintenance Manual
WEP-80 Recommended Spares - ANSI
Item
No.
Untooled
(OEM) Part No.
Description
1
MOTRPMØ 1Ø 2 Drive Motor (Elevator)
2
REDI7185Ø 1
3
Page ✱
1
1
Speed Reducer (Elevator)
1
1
RESIKB.Ø 25
Resistor (Elevator)
1
1
4
BELTLACEØ 3
Cleated Belt (Elevator)
1
1
5
BELT2411Ø 1
Belt (Horizontal)
1
1
6
MOTRØ 1Ø 875
Gearmotor (Horizontal)
1
1
7
CNTRKBICØ 1
Motor Control
2
2
8
RESIKB.1Ø Ø
Resistor (Horizontal)
1
1
9
LEVSENØ Ø Ø Ø Level Sensor Sub Assembly
1
1
10
FLNGBK1/25
Bearing Flange
16
16
11
FLNGNI1/25
Bearing Flange
12
BRNGINS1Ø Ø
Bearing Insert
8
8
13
CNTRDIALØ 1
Dial Plate & Knob
2
2
14
COUPHALFØ 1
Coupling Half 1"
2
2
15
COUPHALFØ 2
Coupling Half 3/4"
1
1
16
COUPHALF13
Coupling Half 7/8"
1
1
17
COUPSPIDØ 3
Coupling Spider
2
2
—Not available for this model ✱—For a picture of this part, see these pages
Cold Rolled Steel WE8Ø 22XDCA
Stainless Steel WE8Ø 22XDSA
Before ordering, please read the notice at the beginning of this chapter.
20
Critical
Quantity
1
Notes
Notes
21
WEP-80 Prefeeder Installation/Maintenance Manual
Notes
22
Warranty
Warranty
Hoppmann Corporation warrants that each item of its own
manufacture delivered hereunder shall, at the time of delivery and
for a period of twelve (12) months thereafter, be free from defects
in materials or workmanship; and if any such item shall prove to
be defective in material or workmanship under normal intended
usage and maintenance during the warranty period, upon examination by Hoppmann Corporation, then Hoppmann Corporation
shall repair or replace, at its sole option, such defective item at its
own expense; provided, however, that the owner shall be required
to ship such defective item, freight prepaid, to Hoppmann
Corporation’s plant in Chantilly, Virginia. The warranty on
components not manufactured by Hoppmann Corporation, but a
part of the prefeeder, is limited to the warranty provided by the
original manufacturer of said components to the extent, and only
to the extent, that such original manufacturer actually honors such
warranty. All warranties hereunder are expressly limited to the
repair or replacement of defective items as set forth herein, and
in no event shall Hoppmann Corporation be liable for special,
incidental or consequential damages by reason of any breach of
warranty or defect in material or workmanship. Hoppmann
Corporation shall not be responsible for repair or replacement of items which have been subjected to neglect, accident
or improper use, or which have been altered by other than
authorized Hoppmann Corporation personnel.
This warranty is in lieu of other warranties, express or implied.
All implied warranties, including but not limited to the implied
warranties of merchantability and fitness for a particular purpose
are hereby excluded.
23
WEP-80 Prefeeder Installation/Maintenance Manual
Hoppmann Part No. ZMANØWEP8Ø
Scheduled Preventive Maintenance Log
▲▲▲
Once Every 6 Months
Clean belt surface with dampen cloth and wipe dry
Check oil in ANSI reducer
Inspect chain tension
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
Performed by (initial) ______________ (date) ______________
24
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