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TM 5-4320-228-13&P
Table 4-1.
Maintenance Activity Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2 - Check if impeller is broken.
Replace impeller.
(Refer to 4-6.2)
Step 3 - Check if impeller shaft is defective.
Replace impeller shaft.
(Refer to 4-6,2)
Step 4 - Check if bearings are worn or burned.
Replace bearings.
(Refer to 4-6.2)
Step 5 - Check if coupling is loose or damaged.
Replace coupling.
(Refer to 4-6.3)
4-6.2 Pump.
a.
Removal.
(1) Disconnect four spark plug leads (1).
Make sure spark plug leads are disconnected before
performing maintenance on the pump.
(2) Install sling (2) to support weight of pump with hoist.
4-9
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