|
| |
TM5-4210-229-14&P
Table 5-1. Direct Support Troubleshooting Chart (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE COOLING SYSTEM
15.
ENGINE COOLANT OVERHEATING
Step 1.
Inspect pressure cap for proper seal.
Replace pressure cap.
Step 2.
Check coolant level.
Fill cooling system to proper level (paragraph 4-58).
Step 3.
Check for loose or worn fan belt.
Replace worn fan belt. Tighten fan belt (paragraph 4-62).
Step 4.
Check for damaged coolant hoses.
Replace coolant hose (paragraph 4-63).
Step 5.
Check for damaged or inoperative thermostat.
Replace thermostat (paragraph 4-65).
Step 6.
Check for scale or deposits in cooling system.
Clean and flush cooling system (paragraph 4-58).
Step 7.
Check for damaged radiator.
Replace radiator (paragraph 4-66).
16.
ENGINE COOLANT LOSS
Visually inspect hoses, radiator, clamps, water pump, thermostat housing, radiator drain, and engine soft plugs for
leakage.
Tighten or replace as necessary.
ENGINE AND ACCESSORIES
17.
ENGINE WILL NOT CRANK
Step 1.
Inspect for loose or corroded battery cables.
Tighten or replace battery cables (paragraph 4-83).
Step 2.
Check voltage to starter and starter solenoid.
Replace starter if defective (paragraph 4-86).
Step 3.
Check alternator output and generator belt tension.
Replace alternator or tighten belt (paragraph 4-84).
18.
ENGINE CRANKS SLOWLY-WILL NOT START
Step 1.
Check for loose cable connections at batteries, engine block, and starter.
Tighten loose connections.
Step 2.
Check condition of batteries.
Replace defective batteries (paragraph 4-83).
5-6
|
