TM 10-3930-641-34-1
HYDRAULIC SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. NOISY HYDRAULIC PUMP
Step 1. Inspect oil level.
Add oil. (See LO 10-3930-641-12.)
Step 2. Oil viscosity too high.
Drain system and replace oil. (See LO 10-3930-641-12.)
Step 3. Inspect filter for dirt.
Clean filter. (See TM 10-3930-641-20.)
Step 4. Inspect pump suction line for restriction.
Clean suction line.
Step 5. Inspect pump.
a.
Check for worn or damaged components.
Replace/repair. (See page 7-13.)
b.
Find and correct the cause of pump failure (cavitation, aeration, dirty oil).
c.
Flush and clean system. (See TM 10-3930-641-20.)
7. OIL TEMPERATURE TOO HIGH
Step 1. Check oil level.
Add oil. (See LO 10-3930-641-12.)
Step 2. Check for blocked oil line.
Clean oil line.
Step 3. Determine if system has been overloaded.
NOTE
RTCH is rated to carry 50,000 lb. loads.
Do not exceed rated load capacity
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