TM 5-3895-382-24
Problem 5
The engine does not have enough power.
Probable Cause
1.
Fuel of poor quality is in the fuel system.
Remove the fuel from the fuel tank. Install a new fuel
filter. Put a good grade of clean fuel in the fuel tank.
For the proper procedures for the removal and disposal
of fuel, refer to the Disassembly and Assembly manual.
2.
The fuel pressure is low.
Make sure that sufficient fuel is in the fuel tank. Look for
leaks or defective bends in the fuel line between the fuel
tank and the fuel transfer pump. Remove any air in the
fuel system. Check the outlet pressure of the fuel
transfer pump.
3.
The accelerator linkage is not properly adjusted.
Adjust the linkage for full travel. Replace defective
pans.
4.
The valve lash is not correct.
Adjust the valve lash.
5.
The operation of the fuel injection pump is not correct.
Refer to Problem 1.
6.
A fuel injector nozzle is not operating correctly.
Refer to Problem 1.
Problem 6
The engine has excessive vibration.
Probable Cause
1.
The bolts for the pulley are loose.
Tighten the bolts.
2.
The pulley is defective.
Install a new pulley.
3.
The engine mounts are loose, worn or defective.
Tighten all mounting bolts. Install new parts.
Problem 7
The engine has excessive combustion noise.
Probable Cause
1.
Fuel of poor quality is in the fuel system.
Refer to Problem 5.
2.
A fuel injector nozzle is defective.
Refer to Problem 1.
Problem 8
The engine has valve compartment noise.
Probable Cause
1.
Valve springs or locks are broken.
Install new parts. Broken locks can cause the valve to
slide into the cylinder. Major damage to the engine can
occur.
2.
The bolts and nuts, which hold the rocker arm
assembly, are loose.
Tighten the bolts or nuts.
3.
The valve lash exceeds the specification.
Adjust the valve lash.
Problem 9
Oil is In the cooling system.
Probable Cause
1.
The cylinder head gasket is defective.
Install a new cylinder head gasket.
2.
The oil cooler is defective.
Replace the oil cooler.
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