TM 9-4940-568-20
2-93
Table 2-13. Hydraulic Pump Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. HYDRAULIC PUMP WILL NOT PRIME.
NOTE
Pump should priome within 20 seconds.
Check for proper drive rotation and ensure pump shaft is turning.
If problem persists, Notify Supervisor.
2. HYDRAULIC PUMP PRESSURE LOW.
Check pressure valve adjustment screw is not backed out.
If problem persists, Notify Supervisor.
3. HYDRAULIC PUMP PRODUCES NO FLOW.
Check hydraulic reservoir is full.
If problem persists, Notify Supervisor.
