TM 9-2330-275-14&P
Table 4-1. Unit Troubleshooting Chart (con’t).
HYDRAULIC SYSTEM.
7. PUMP WILL NOT SUPPLY OR MAINTAIN PRESSURE
Initial Setup:
Equipment Conditions:
Tools and Test Equipment:
l Dolly set parked on Ievel surface with
l General mechanic’s tool kit
handbrakes applied (para 2-2).
Common no. 1 shop set
A. inspect hydraulic pump reservoirs on front and
rear dollies for proper hydraulic fluid levels
(para 3-2).
Lubrication Chart (para 3-2).
B. Bleed hydraulic system (para 4-75 or 4-78).
Inspect for excessive air bubbles in fluid.
ARE EXCESSIVE AIR BUBBLES PRESENT?
Replace fluid as necessary and
recheck hydraulic system (para 3-2).
(para 4-76, 4-79, or 4-82).
D. Test hydraulic pump output pressure (para
4-77 or 4-80.
Replace hyfraulic cylinder (para
4-86
4-24
