Table 5-1. Direct Support Maintenance Troubleshooting – ContinuedMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION2. ELECTRIC MOTOR WILL NOT OPERATEStep 1.Check vehicle power supply.Insure charging systems are operating properly. Refer to TM applicable to thetransporting vehicle.3. ELECTRIC MOTOR WILL NOT RUNStep 1.Check for foreign material in volute housing that would prevent the impeller fromturning.Remove foreign material.Step 2.Check Electric motor for proper operation.Repair or replace defective parts.4. PUMP IS NOISYStep 1.Step 2.5. PUMP LEAKSStep 1.Check for foreign material in volute housing.Remove foreign material.Check for loose impeller.Tighten impeller or replace defective parts.Inspect for defective gaskets, O-rings and seals or mounting screw compressioninserts.Replace defective parts.5-2TM5-4930-230-13
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