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TM 5-2420-222-34
14-4.
HYDRAULIC PUMP DRIVE SHAFT AND COUPLER MAINTENANCE (SERIAL NUMBERS 235786-235999).
This Task Covers:
a.
Removal
c.
Repair
b.
Cleaning and Inspection
d.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Hood removed (see TM 5-2420-222-20).
•
Thread sealing compound (Item 12, Appendix B)
•
Air cleaner removed (see TM 5-2420-222-20).
•
Detergent (Item 13, Appendix B)
•
Radiator removed (see TM 5-2420-222-20).
•
Rags (Item 28, Appendix B)
•
Dry cleaning solvent (Item 31, Appendix B)
Tools/Test Equipment:
•
Two self-locking nuts
•
General mechanic's tool kit
General Safety Instructions:
•
Field automotive shop set
•
Dry cleaning solvent is flammable and must not be
used near open flame. Use only in a well-ventilated
area.
a.
REMOVALI
NOTE
It may be necessary to use pinch bar to rotate drive shaft to gain access to
capscrews.
1.
Remove k/ico capscrews (5) from drive shaft (7).
2.
Remove two self-locking nuts (4) and capscrews (9) from half couplers (3). Discard self-locking nuts.
3.
Remove two half couplers (3) from four rubber bushings (1).
4.
Remove four special screws (2) from drive shaft (7) and crankshaft pulley (8). Remove four rubber bushings (1)
from special screws.
5.
Using pinch bar, remove drive shaft (7) from hydraulic pump (6).
b.
CLEANING AND INSPECTION
1.
Clean four rubber bushings with water and detergent. Rinse with clean water and dry thoroughly with clean, dry
rags.
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only In a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame
or excessive heat. The solvent's flash point Is 100°F-138°F (38°C-59C). If you
become dizzy while using cleaning solvent, Immediately get fresh air and medical
help. If solvent contacts eyes, Immediately wash your eyes and get medical aid.
2.
Clean all metal parts with dry cleaning solvent and rags. Dry thoroughly with clean, dry rags.
14-26
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