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TM 5-4320-306-24
Table 2-2. Organizational Maintenance Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. LOW ENGINE OIL PRESSURE
Step 1. Shut down engine and check oil system for leaks Check for damaged and leaking oil lines and fittings.
Check inside control panel cover assembly for evidence of leakage from oil pressure indicator or oil
pressure line hose. Check lube oil cooler for leaks. Examine area of crankcase directly below lube oil
cooler. Notify direct support if lube oil cooler leaks. If leaks cannot be easily detected and engine can
be run without damage, clean the engine as described below After engine is clean, start the engine and
observe lubrication system for leaks
a. Remove accumulated dust and dirt with compressed air
b. Tighten loose components. Replace leaking components (para 2-16) If cover, front cover, or
associated surfaces, other than fittings or fasteners, are leaking, notify direct support.
8. CHARGING INDICATOR LAMP (ALTERNATOR) LIGHTS WHEN ENGINE IS RUNNING
Step 1. Check for weak batteries or dirty, corroded, or loose battery cable connections
Add distilled water as needed Recharge batteries or replace if defective (para 2-13)
Step 2. Check V-belts for breaks or damage. Check belt tension Check for damaged or frozen pulleys (table 2-
1, item 6).
Tighten or replace V-belts as necessary (para 2-25) Replace alternator V-belt pulley (para 2-35)
Step 3. Check alternator.
Remove and test/inspect alternator (para 2-35) Replace alternator as required (para 2-35).
9. PUMP MAKES EXCESSIVE NOISE
Step 1. Check that suction hose is immersed in liquid being pumped or properly connected to container from
which liquid is being pumped Liquid level in container shall be above suction hose connection.
Relocate suction hose connection below surface of liquid Keep suction intake off of bottom when
pumping (para 2-18)
Step 2. Check suction hoses, connections, or parting surface of suction flange for leaks
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