4-80. HYDRAULIC PUMP OVERLOAD VALVE ADJUSTMENT (M832 SN J089-001 THRU 159
AND J017-160 THRU 350 ONLY).
This Task Covers: Adjustment
Dolly set parked on level ground with hand-
Common no. 1 shop set
brakes applied (para 2-2).
Dial pressure gage
Dolly set uncoupled from towing vehicle
Sealing compound (Item 12, Appendix E)
Only the M832 (SN J089-001 thru 159 and J017-160 thru 350) has adjustable
When serving hydraulic units, cleanliness is of the utmost importance. A
clean environment and proper tools are necessary to ensure efficient and
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
Use a suitable container to
catch any fluid that may spill
when disconnecting hydraulic
Remove output tube (2) from pipe bushing
(3) in pump pressure outlet and tee (1).
Remove pipe bushing (3) from pump pressure