Quantcast Table 4-1. Troubleshooting - CONT

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TM 55-1905-223-24-13
Table 4-1. Troubleshooting - CONT
Malfunction
Test or Inspection
Corrective Action
2.
Motor assembly draws too much amperage.
STEP 1. Check to see if stuffing box is too tight.
Replace seal and shaft sleeves (para. 4-9).
STEP 2. Check to see if casing is distorted by excessive strain.
Replace damaged parts (para. 4-9).
STEP 3. Check for mechanical failure.
Replace/repair impeller (para. 4-9).
STEP 4. Check motor for worn bearings.
Replace bearings (para. 4-8).
3.
Pump noisy or vibrates.
STEP 1. Check motor for worn bearings.
Replace bearings (para. 4-8).
STEP 2. Check motor adapter runout alignment.
Re-align motor adapter (para. 2-13).
4-3


 


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