TM 9-2330-285-14&P/TO 36A11-21-10-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
HYDRAULIC SYSTEM
11. CYLINDER DOES NOT HOLD PRESSURE WHEN HAND VALVE IS CLOSED
Step 1. Check for leaks at cylinder (1).
Check for bypassing hand valve (2).
Step 2.
a. Raise adapter and close hand valve (2). Open pump release
lever (3).
b. If adapter lowers and fluid level in reservoir raises, valve is
12. HYDRAULIC PUMP ACTION SOFT OR WILL NOT RAISE ADAPTER TO FULL HEIGHT
a. If fluid level is low, fill to proper level and visually inspect
for external leakage.
b. If fluid level is good, proceed to step 2.
Step 2. Check for air in the system.
Bleed the system (page 4-168). If no air is found in system, replace
TA 221661
4-21