TM 5-2420-231-10
0019
TROUBLESHOOTING PROCEDURES - Continued
Table 1. Troubleshooting Procedures - Continued.
SYMPTOM
MALFUNCTION
CORRECTIVE ACTION:
ENGINE - Continued
4. Engine overheats -
5. Alternator or air conditioning
a. Check for excessive slack in belts. If
Continued.
belt slack (can easily be
slack, notify field level maintenance.
moved by hand), worn, or
frayed.
b. Check for loose, worn, or frayed belts.
If conditions exist, notify field level
maintenance.
CAUTION
Shut engine off immediately. Failure to
comply may result in damage to equip-
ment.
5. Engine is operating but
1. Fuel system clogged or
Check for sediment or water in fuel filter
with abnormal noise.
moisture in fuel.
and remove as required (WP 0023).
2. Engine oil level low.
a. Check engine oil level and add as
required (WP 0023).
b. If problem persists, notify field level
maintenance.
6. Engine produces
1. Air filter clogged.
Check air filter restriction warning lamp.
excessive black or grey
If illuminated, notify field level mainte-
smoke.
nance.
2. Engine oil overfilled.
Check engine oil for overfilling. If
overfilled, notify field level maintenance.
7. Engine produces
Engine oil overfilled.
Check engine oil for overfilling (WP
excessive blue smoke.
0023). If overfilled, notify field level
maintenance.
8. Engine produces
Coolant level low.
a. Check engine coolant level and add
excessive white smoke.
as required (WP 0023).
b. If problem persists, notify field level
maintenance.
STEERING
Steering is difficult.
Steering reservoir fluid level low.
Check reservoir fluid level. If low, notify
field level maintenance.
0019-4