TM 5-2420-230-24-1
10-13. HYDRAULIC OIL PUMP REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
c. New Pump Startup Procedure
d. Follow-On Maintenance
INITIAL SETUP
Test Equipment
Personnel Required
None
MOS 62B, Construction Equipment Repairer (2)
References
Tools and Special Tools
None
Pan, drain, Item 29, Appendix B
Tool kit, common no. 2, Item 36, Appendix B
Equipment Conditions
Tool kit, general mechanics, Item 38, Appendix B
TM or Para
Condition Description
Firewall cover removed.
Materials/Parts
Center belly plate removed.
Cap and plug set, Item 4, Appendix C
Engine access panel removed.
Cloth, lint-free, Item 10, Appendix C
Hydraulic system pressure
Dexron III, Item 27, Appendix C
released.
Gasket, hydraulic oil pump, Item 88, Appendix D
Tags, identification, Item 63, Appendix C
Drawings Required
Ties, cable, Item 68, Appendix C
TM 5-2420-230-24P Figure 149
Washer, lock, Item 282, Appendix D (4)
TM 5-2420-230-24P Figure 156
Estimated Time to Complete
Refer to MAC in Appendix B
a. Removal.
Hydraulic fluid (Dexron III) is TOXIC. Wear protective goggles and gloves; use only in
well-ventilated area; avoid contact with skin, eyes, and clothes. Skin and clothing that come in contact
with hydraulic oil should be washed immediately. Saturated clothing should be removed immediately.
Failure to comply may result in injury to personnel.
NOTE
Ensure all hoses and tubes are disconnected and clear before removal.
Remove cable ties as necessary.
Tag all hoses and tubes and note their positions before removal.
Cap and plug all tubes, hoses, and fittings upon removal.
(1)
Disconnect all hydraulic lines on back of hydraulic pump.
(2)
Remove four bolts and lockwashers at pump securing supply line from hydraulic reservoir to hydraulic pump.
Discard lockwashers.
(3)
Support pump and remove four bolts, washers, pump, and gasket from transmission. Discard gasket.
(4)
Deleted.
Change 1
