TM 9-2330-275-14&P
Table 4-1. Unit Troubleshooting Chart (con’t).
HYDRAULIC SYSTEM (con’t).
9. PUMP PISTON RAISES BY ITSELF UNDER
PRESSURE.
Initial Setup:
Equipment Conditions:
Tools and Test Equipment:
l Dolly set parked on level surface with
General mechanic’s tool kit
handbrakes applied (para 2-2).
Common no. 1 shop set
Remove hydraulic pump from dolly (para 4-75,
4-78, or 4-81). Remove components of pump
valve from hydraulic pump. Clean components
of hydraulic pump valve. Clean and seat ball
valves (para 4-76, 4-79, or 4-82). Install hy-
draulic pump on dolly (para 4-75, 4-78, or 4-81).
(para 4-75, 4-78, or 4-81).
END OF TASK
4-27
