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CHAPTER 2 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-10-3930-634-340021
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TM-10-3930-634-34 Truck Lift Fork; Diesel Engine Pneumatic Tired Wheels Rough Terrain 6 000 Lb. Capacity 24 Load Center Anthony Model MIT 6-2 Manual
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Table 2-2. Troubleshooting - Continued - TM-10-3930-634-340023
TM 10-3930-634-34
Table 2-2 Troubleshooting­Continued
Table 2-2. Troubleshooting--Continued
MALFUNCTION
MALFUNCTION
TEST OR INSPECTION
TEST OR INSPECTION
CORRECTIVE ACTION
CORRECTIVE ACTION
Step 3. Check for defective connecting-rod
Step 2. Check fordefective valves.
Repair or replace valves (para 3-20).
bearings.
Replace defective connecting-rod bearings
Step 3. Check for low compression caused by
broken or worn piston rings.
Step 4. Check for loose or defective main bear-
Replace defective piston rings (para 3-34).
ings.
Step 4. Check fordefective push rods or rocker
Replace defective main bearings (para
arms.
3-37).
Replace defective push rods or rocker arms
ENGINE OIL CONSUMPTION EXCESSIVE.
8.
Step 1. Check for broken or worn piston rings.
Step 5. Check for proper functioning of gover-
nor.
R e p l a c e defective pistons rings (para
3-34).
Adjust or replace governor.
Step 2. Check for cracked, burned, or broken
4.
ENGINE OVERHEATS.
piston.
Step 1. Check for defective radiator.
Replace defective piston (para 3-34).
Repair or replace radiator (para 3-2).
Step 3. Check for worn valve guides.
Step 2. Check for defective water pump.
Repair or replace water pump (para 3-3).
Replace defective valve guides (para 3-25),
9.
STARTER FAILS TO CRANK ENGINE.
Step 3. Check for cracked cylinder head.
Step 1. Check for defective engine safety cir-
Replace defective cylinder head (para
cuit.
Isolate circuit trouble and repair (para
ENGINE EXHAUST SMOKE EXCESSIVE.
5.
3-9).
Step 1. Check for defective fuel injector.
Step 2. Check for defective starter.
Repair or replace fuel injector (para 3-18).
Repair or replace starter (para 3-9).
Step 2. Check for restricted air intake,
Step 3. Check for defective flywheel ring gear
Clean blower screen (para 3-13).
Step 3. Check for low compression caused by
10.
ENGINE GENERATOR AMMETER SHOWS
broken or worn piston rings.
LOW OR NO CHARGING RATE WHEN BAT-
Replace defective piston rings (para 3-34),
TERIES ARE LOW OR DISCHARGED.
Step 4. Check for cracked or broken piston.
Step 1. Check for defective generator brushes.
Replace defective piston (para 3-34).
ENGINE NOISY,
6.
Replace defective brushes (para 3-7).
Step 2. Check for defective voltage regulator.
Step 1. Check for defective valves.
Repair or replace valves (para 3-25).
Repair or replace voltage regulator (para
3-8).
Step 2. Check for defective connecting-rod
Step 3. Check for defective armature.
bearings.
Replace defective armature (para 3-7).
Replace defective bearings (para 3-34).
Step 4. Check for defective field windings.
Step 3. Check for defective main bearings.
Replace defective field windings (para
Replace defective bearings (para 3-37).
3-7).
Step 4. Check for loose or broken piston pins.
11.
ENGINE GENERATOR AMMETER SHOWS
Replace defective pistons pins (para 3-34).
CHARGE WHEN BATTERIES ARE FULLY
Step 5. Check for loose or defective flywheel.
CHARGED.
Tighten or replace flywheel (para 3-32).
Step 1. Check for ground field winding.
7.
ENGINE HAS LOW OR NO OIL PRESSURE.
Replace defective field winding (para 3-7).
Step 1. Check for oil dilution caused by leaking
Step 2. Check for defective voltage regulator.
fuel line or injector.
Repair or replace defective voltage regula-
Correct leak or replace defective fuel injec-
tor (para 3- 18).
Step 2. Check for defective oil pump.
Repair or replace oil pump (para 3-31).
2-2

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