TM 10-3930-641-34-1
ENGINE TROUBLESHOOTING CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
19. ENGINE OVERHEATS
Step 1. Check coolant level. (See TM 10-3930-641-20.)
Add coolant. (See TM 10-3930-641-20.)
Step 2. Inspect radiator core for debris.
Clean radiator core. (See TM 10-3930-641-20.)
Step 3. Check fan belts for tightness and cracks or wear.
a.
Tighten loose fan belts. (See TM 10-3930-641-20.)
b.
Replace cracked or worn fan belts. (See TM 10-3930-641-20.)
NOTE
Fan belts must be replaced as a set.
Step 4. Check engine oil level.
Fill to specified level. (See LO 10-3930-641-12.)
Step 5. Check water temperature gage.
Replace gage if defective. (See TM 10-3930-641-20.)
Step 6. Determine if vehicle is being continuously overloaded.
NOTE
RTCH is rated for 50,000 lb. load capacity.
Direct operator not to exceed rated load capacity.
Step 7. Inspect pressure cap for defects.
Replace pressure cap. (See TM 10-3930-641-20.)
Step 8. Check fuel ratio control.
Step 9. Test water temperature regulator. (See TM 10-3930-641-20.)
Replace water temperature regulator. (See page TM 10-3930-641-20.)
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