Section IV. TROUBLESHOOTING:

Organizational Preventive Maintenance Checks and Services - Continued - TM-5-4320-300-14_134

Table 4-2. Organizational Maintenance Troubleshooting - TM-5-4320-300-14_136

TM-5-4320-300-14 Pump Centrifugal Self-Priming Gasoline Engine Driven; 6-Inch 1500 GPM Capacity At 60 Foot Head Manual
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TM 5-4320-300-14 Section IV. TROUBLESHOOTING: 4-9. TROUBLESHOOTING a. Table 4-2 contains troubleshooting information for locating and correcting most of the operating troubles which are the responsibility of organizational maintenance. Each malfunction for an individual component, unit, or system is followed by a list of tests or inspections which will help you to deter- mine probable causes and corrective actions to take. Perform the tests/inspections and corrective actions in the order listed. NOTE All TEST OR INSPECTION or CORRECTIVE ACTION steps assume that engine side panels have been removed if necessary for access. b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor. c. Only those functions within the scope of organizational maintenance are listed. for troubleshooting procedures within the scope of operator/crew maintenance, refer to table 3-1. 4-10. SYMPTOM INDEX Refer to the Symptom Index below. Locate the malfunction which is the same, or most nearly the same, as the trouble you are having with the pump. The Symptom Index lists the first page of trouble- shooting information for that malfunction. Follow the steps one by one, and perform the corrective actions listed. Malfunction Number Description Page 1 Engine fails to crank or cranks at low speed 4-33 2 Engine cranks but fails to start 4-36 3 Engine starts but runs unevenly or stalls 4-40 4 Engine lacks power 4-45 5 Engine stops running 4-47 6 Engine consumes excessive lubricating oil or produces 4-53 black or grey smoke 7 Low oil pressure 4-59 8 Engine coolant temperature is excessively high or low 4-63 9 Unusual exhaust noise 4-71 10 Pump makes excessive noise 4-72 11 Trailer-mounted pump is hard to tow 4-72 12 Lights do not work 4-76 4-32

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