TM 10-4930-236-13&PSECTION IV. TROUBLESHOOTING4-6. GENERALa.Table 4-2 lists the common malfunctions which you may find during the operation or maintenance ofthe tank and pump unit. You should perform the tests/inspections and corrective actions in the order listed.b.This manual cannot list all malfunctions that may occur, nor all tests or inspections and correctiveactions. If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.Table 4-2. Unit Maintenance TroubleshootingMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1FUEL WILL NOT BEGIN TO FLOWFusible link of valve operator control cable apart or control cable pulled loose.Reconnect control cable to valve operator mechanism. (Para. 4-17)2FUEL FLOW SLOWS OR STOPS DURING OPERATIONStep 1.Inspect for defective nozzle.Repair defective nozzle. (Para. 4-10) impStep 2.Check for clogged filter elements.Replace filter elements. (Refer to TM 10-4330-232-12&P,3ELECTRIC MOTOR WILL NOT OPERATEStep 1.Check vehicle power supply.Check that vehicle charging system is operating properly. (Refer to manual for vehicle.)Step 2.Check power and control cables. ''Check continuity of intervehicle and OFF-ON switch control cables. Replace defective cables. (Para. 4-15, 4-16)Step 3.Check electric motor.Notify next higher level of maintenance.4PUMP WILL NOT OPERATE AT RATED CAPACITYStep 1.Check differential pressure gauge on filter/separator to determine if filter elements are clogged or dirty.Replace clogged or dirty filter elements. (Refer to TM 10-4330-232-12&P)4-10
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