4-78. HYDRAULIC PUMP REPLACEMENT (M832 SN J089-001 THRU 159 AND J017-160
THRU 350 ONLY).
This Task Covers:
c. Bleeding Hydraulic System
Deify set parked on level surface with
l Hydraulic fluid (item 6, Appendix E)
handbrakes applied (pars 2-2).
l Sealing compound (item 12, Appendix E)
Dolly set uncoupled from towing vehicle
l Five lockwashers
Personnel Required: Two
General mechanics tool kit
Hydraulic fluid pressure is extremely high when adjusting hydraulic pump. All
safety precautions must be taken when performing this operation. Wear protective
clothing and use hand and eye protection. Failure to follow this warning may result
in injury or death to personnel.
Make sure struts are locked. Faliure to follow this warning may result in injury to
Only the M832 (SN J089-001 thru 159 and J017-160 thru 350) has increased-
Replacement of front and rear hydraulic pumps is the same. Replacement
of hydraulic pump on front dolly is shown.
Use a suitable container to catch any fluid that may spill when disconnecting
Remove output tube (4) from tee (1) on valve bank and from bushing (3) on hydraulic pump (2). Remove
bushing (3) from hydraulic pump (2).