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TM 9-2320-285-24-2
3-42. FIFTH WHEEL HYDRAULIC SYSTEM MAINTENANCE
a. Hydraulic Pump.
This task covers:
a. Removal
d. Inspection
b. Disassembly
e. Reassembly
c. Cleaning
f. Installation
INITIAL SETUP
Tools
Personnel Required
No. 1 Common Organizational Maintenance
Automotive Repairer MOS 63H
Tool Kit
Retaining ring pliers
References
Puller kit
LO 9-2320-285-12
Safety glasses
(M878A1 Lubrication Order)
Torque wrench
Vise jaw caps
Equipment Condition
Socket head screw key set
Paragraph
Condition Description
Machinist's vise
Automotive Mechanic's Tool Kit
Vehicle parked on level
Hammer
surface, engine off, and
Soft plastic hammer
parking brake applied.
Straightedge
2-78b(2)
Hydraulic lines and fittings
removed from hydraulic pump.
Materials/Parts
2-65c
Rear platform removed.
Cleaning solvent
Item 1, Appendix C
Clean cloths
Item 2, Appendix C
Hydraulic oil
Item 22, Appendix C
Service parts kit
FSCM 64294 PN 46099-6
Lubriplate
Aero-lube grease
Block of wood
Sleeve
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1
Transmis-
a.
Two capscrews
Remove
Support hydraulic pump
sion, right
(19) and lock
hand side
washers (20)
b.
Hydraulic pump
Remove
Pull from power take-off
DISASSEMBLY
CAUTION
Exercise care when using vise to avoid distorting any parts. If vise is used, clamp vise jaws across rear of cover (14).
3-415
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