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TM 10-4320-256-14&P
Section Il. OPERATOR TROUBLESHOOTING
Paragraph
Page
3-3
Genera l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
3-4
Operator Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-2
3-3. General. This section contains troubleshooting procedures to help determine the probable cause of
equipment malfunctions. Test and inspections are listed to help isolate the faulty component and corrective
actions are provided to eliminate the malfunctions.
3-4 Operator Troubleshooting Procedures. Refer to the symptom index to locate the troubleshooting
procedures for the observed malfunction.
a. Table 3-1 contains a listing of the common malfunctions that you may find during operation or maintenance
of the pump assenbly and its components. Perform the test/inspeotbns in the order listed.
b. Table 3-1 cannot include all malfunctions that may occour, nor all tests or inspections and corrective actions.
If a malfunction is not oorrected by listed corrective actions, notify your supervisor.
SYMPTOM INDEX
Symptom
Page
Engine will not start or is hard to start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine starts but will not continue to run . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . .
Pump will not prime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . .. . .. .
Pump operatrion is noisy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump will not deliver rated capacity . . . . . . . . . .. . . . .. . . . . .. . . . . .. .. . . .. . . .. . . . . . . . . . . . .
3-3
3-3
3-4
3-4
3-5
3-2
I
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