TM 9-2330-275-14&P
4-80. HYDRAULIC PUMP OVERLOAD VALVE ADJUSTMENT (M832 SN J089-001 THRU 159
AND J017-160 THRU 350 ONLY) (Con’t).
NOTE
When overload valve release pressure, gage pressure reading will drop off
immediately.
If overload valve doss not release pressure at 5000 psi±100 pal (34,475 kPa
±689 kpa), adjust overload valve.
7.
Remove overload valve plug (8) and overload valve seal (7) from pump (10).
8.
Turn overload valve screw (9) clockwise increase pressure and counterclockwise to decrease pressure until
5000 psi +100 psi (34,475 kPa ±689 kPa) breaking pressure is obtained.
NOTE
If overload valve will not adjust properly, notify Direct Support maintenance.
9.
Install overload valve seal (7) and overload valve plug (8) in pump (10).
10.
Slowly remove test gage (6) and pipe bushing (5) from pump (10), allowing fluid pressure to release gradually.
11.
Install pipe bushing (3) in pump (10).
12.
Install output tube (2) on pipe bushing (3) and tee (1).
FOLLOW-ON TASKS:
l Check hydraulic fluid level (para 3-2).
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