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 TM 55-1905-220-14-3
Table 3-79. Centralized Hydraulic System - Hydraulic
Power Unit Troubleshooting (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
Motor does not run (Cont).
Step 1.
b. Press reset button on controller.
c.
Check fuses in controller.
Step 2.
Check that motor does not rotate.
a. Motor defective.
Replace. Refer to paragraph 3-188.
b. Pump defective.
Replace. Refer to paragraph 3-189.
5.
Motor runs hot.
Step 1.
Check for overloads.
Check for low fluid level in tank.
Step 2.
Check for frequent starts and stops.
a. Check for intermittent power.
b. Too many starts and stops.
6.
Motor runs slow.
Step 1.
Check for defective pump.
Replace. Refer to paragraph 3-189.
Step 2.
Check for a burnt out motor.
Replace. Refer to paragraph 3-188.
7.
Motor runs too fast.
Step 1.
Check for lack of fluid in tank.
Step 2.
Pump not pumping as indicated by little or no pressure on gage.
Replace pump. Refer to paragraph 3-189.
3-221
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