TM 5-4310-379-14
Table 3-1. Unit Preventive Maintenance Checks and Services (PMCS) (Cont).
W - Weekly
M - Monthly
Q - Quarterly
H - Hourly
Interval
Item
No.
W M Q
H
Item to be Inspected
Procedures
29
Frame assembly
Inspect frame for cracks or broken welds.
Notify
general support maintenance of damaged parts.
30
Controls panel
Inspect control panel for loose, damaged or
missing parts. Check that panel and gage lights
are operational. Replace damaged or missing
parts. Refer to para. 3-46.
31
Fuel tank, filler cap and fuel
Inspect fuel tank, filler cap and fuel level gage for
level gage cracks, loose, damaged, or missing parts.
Replace damaged parts. Refer to para. 3-48.
Section IV. UNIT TROUBLESHOOTING
Paragraph
Page
3-9
General ............................................................................................................................................3-8
3-10
Unit Troubleshooting Procedures ......................................................................................................3-8
3-9. General. This sections contains troubleshooting procedures to determine the probable cause of observed
equipment malfunctions. Tests or inspections are provided to isolate the faulty component and corrective actions are
provided to eliminate the malfunction.
3-10. Unit Troubleshooting Procedures. Refer to the symptom index to locate the troubleshooting procedure for the
observed malfunction. Table 3-2 lists the common malfunctions that may occur during the operation or maintenance of
the engine. 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 correction 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 or Direct Support Maintenance.
SYMPTOM INDEX
Symptom
Page
1.
Engine will not start ..................................................................................................................................3-9
2.
Engine runs rough or erratically ................................................................................................................3-10
3.
Engine overheats ......................................................................................................................................3-10
4.
Low engine oil pressure ............................................................................................................................3-11
5.
Low compressor oil pressure .....................................................................................................................3-11
6.
Low compressor output .............................................................................................................................3-11
3-8