TM9-4310-396-13
UNIT TROUBLESHOOTING TABLE 4-2 - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7. ENGINE OVERHEATS.
Step 1. Check for oil level in diesel engine block, cooling fins dirty or caked with debris, engine
shrouds properly installed.
If oil level is low, add oil.
If cooling fins are dirty or caked with debris, clean.
If shrouds are incorrectly installed or missing, install correctly.
If condition continues, notify Direct Support maintenance.
8. ENGINE WILL NOT CRANK.
Step 1. Check storage battery status.
If storage battery is low, place on charger or replace if required.
Step 2. Check for proper operation of engine switch key.
If engine switch key is defective, replace engine switch key.
If engine switch key is not defective, proceed to step 3.
Step 3. Loosen V-belt and try to turn compressor by hand.
If compressor does not turn, replace compressor.
If compressor turns, notify Direct Support maintenance.
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