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TM 5-4210-233-14&P-1
Table 3-3. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - Continued
8
ENGINE FOOT THROTTLE WILL NOT OPERATE
Check wires and plugs connecting foot throttle to engine.
If wiring is damaged refer to Unit Maintenance for repair.
9
EXCESSIVE BLACK OR GREY EXHAUST SMOKE
Step 1. Check fuel grade.
Drain fuel tank and refill with correct fuel.
Step 2. Check if engine is overloaded.
Reduce speed and select lower gear range.
TIRES
1
EXCESSIVE TIRE WEAR
Step 1. Check tire pressure.
Inflate to correct pressure.
Step 2. Check that differential lock is not engaged.
Be sure differential lock is engaged only when on slippery ground or operating off road.
BRAKES
CAUTION
Truck brakes that have been applied for a long period, applied
harshly due to hill descent, or for emergency stop, may
overheat. Change to lower gear range when possible.
1
BRAKE SHOES SMELL OF BURNING
Check if brake drums have foreign material inside, e.g., sand or mud.
Hose down brake drums when cool to touch. Be sure all material is removed.
3-20
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