MBW GPR57, Operator'S Safety And Service Manual

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6
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S
ERVICE
Assembly and disassembly should be performed by a
service technician who has been factory trained on MBW
equipment. The unit should be clean and free of debris.
Pressure washing before disassembly is recommended.
• Prior to assembly, wash all parts in a suitable cleaner or
solvent.
• Check moving parts for wear and failure. Refer to the
Replacement section in this manual for tolerance and
replacement cycles.
• All shafts and housings should be oiled prior to pressing
bearings. Also, ensure that the bearings are pressed
square and are seated properly.
• All bearings should be replaced when rebuilding any
exciter or gearbox.
• All gaskets and seals should be replaced after any
disassembly.
Torque Chart
Service Tools
Main Disassembly Procedure (Diesel Engine)
Refer to Main Assembly, page 22 for disassembly.
1. Clean all visible debris from the machine before
servicing.
2. Remove the four hex head capscrews (#28) securing
the engine deck (#19) to the base plate (#4). Use
caution as the engine deck will drop down.
Refer to Diesel Engine Assembly, page 32 Sections of
this manual for belt guard & belt removal.
3. Remove the four socket head capscrews (#15)
securing the belt guard (5) to the mount plate (#11) on
the engine (#8) and remove the belt guard.
4. Slide the belt (#3) off the clutch (#10).
5. Remove the two flange screws (#23) securing the
bellows retainer (#13), and remove the retainer.
6. Push the lip of the bellows (#3) through the hole in the
engine deck.
7. Disconnect the hydraulic line (#20) from the control
head in the handle assembly. Keep the end of the
hydraulic line and control head fitting free of dirt and
debris by using tape. Remove tie strap holding
hydraulic hose & throttle cable together.
Be careful
to use a drain pan to catch the hydraulic oil.
8. Use the main lift hook on the roll cage (#5) to
separate the engine deck from the base plate.
Be
careful to guide the hydraulic line through the
handle assembly and engine deck as the
subassemblies are separated to prevent damage
to components.
If further disassembly of the engine
deck is required proceed to step 9. If base plate
service is required refer to the
Base plate
Disassembly Procedure section of this manual.
9. Disconnect the throttle cable (#21) from the engine.
10. Remove the handle assembly by removing the four
flange screws (#26) securing the handle mount (#6)
to the engine deck.
11. Remove the four hex head capscrews (#26) securing
the roll cage to the engine deck and remove the roll
cage
SIZE GRADE 2 GRADE 5 GRADE 8
1/4-20 49 in
•
lbs 76 in
•
lbs 9 ft
•
lbs
1/4-28 56 in
•
lbs 87 in
•
lbs 10 ft
•
lbs
5/16-18 8 ft
•
lbs 13 ft
•
lbs 18 ft
•
lbs
5/16-24 9 ft
•
lbs 14 ft
•
lbs 20 ft
•
lbs
3/8-16 15 ft
•
lbs 23 ft
•
lbs 33 ft
•
lbs
3/8-24 17 ft
•
lbs 26 ft
•
lbs 37 ft
•
lbs
7/16-14 24 ft
•
lbs 37 ft
•
lbs 52 ft
•
lbs
7/16-20 27 ft
•
lbs 41 ft
•
lbs 58 ft
•
lbs
1/2-13 37 ft
•
lbs 57 ft
•
lbs 80 ft
•
lbs
1/2-20 41 ft
•
lbs 64 ft
•
lbs 90 ft
•
lbs
9/16-12 53 ft
•
lbs 82 ft
•
lbs 115 ft
•
lbs
5/8-11 73 ft
•
lbs 112 ft
•
lbs 159 ft
•
lbs
5/8-18 83 ft
•
lbs 112 ft
•
lbs 180 ft
•
lbs
3/4-16 144 ft
•
lbs 200 ft
•
lbs 315 ft
•
lbs
1-8 188 ft
•
lbs 483 ft
•
lbs 682 ft
•
lbs
1-14 210 ft
•
lbs 541 ft
•
lbs 764 ft
•
lbs
1-1/2-6 652 ft
•
lbs 1462 ft
•
lbs 2371 ft
•
lbs
M 6 3 ft
•
lbs 4 ft
•
lbs 7 ft
•
lbs
M 8 6 ft
•
lbs 10 ft
•
lbs 18 ft
•
lbs
M 10 10 ft
•
lbs 20 ft
•
lbs 30 ft
•
lbs
CONVERSIONS
in
•
lbs x 0.083 = ft
•
lbs
ft
•
lbs x 12 = in
•
lbs
ft
•
lbs x 0.1383 = kg
•
m
ft
•
lbs x 1.3558 = N
•
m
Part No. Description
17320 Ground Pounder® Exciter Oil
016129 Rubber Test Mat