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TM 1O-432O-256-14&P
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS)
Q-Quarterly
Interval
Item
Item to be inspected
Equipment is not
no.
Q
Procedure
ready/available if:
1
l
Sediment Bowl (Engine Fuel Fitter)
Check sediment bowl for moisture, dirt, or sediment.
Bowl contains moisture, dirt,
Service as required (refer to TM 9-2805-257-14).
or sediment.
l
Section IV. UNIT TROUBLESHOOTING
Paragraph
Page
4-11
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-4
4-12
Unit Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-4
4-11. General. This section contains troubleshooting procedures detemine the probable cause of obewd
equipment malfunctions. Tests or inspections are provided to isolate the faulty components and corrective actions
are provided to eliminate the malfunction.
4-12. Unit Troubleshooting Procedures. Refer to the symptom index to locate the troubleshooting
procedure for the observed malfunction. Table 4-2 contains a listing of the common malfunctions that may occur
during the operation or maintenance of the pump assembly. Perform the tests or inspections, and the
recommended corrective action, in the order listed in the troubleshooting table. If the malfunction is corrected by a
specific corrective action, do not continue with the remaining steps, if any, of the troubleshooting procedure. If the
malfunction is not corrected by the listed corrective actions, notify your supervisor.
SYMPTOM INDEX
Symptom
Page
Faulty engine operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-5
Pump fails to prime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-5
Noisy pump operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-5
Fuel leakage at pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-5
4-4
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