TM 5-3895-382-24
Problem 2
The engine starts and the engine runs briefly. The engine
stops.
Probable Cause
1.
The fuel filter or the fuel lines are restricted. Excess
water has built up in the fuel filter.
Check the fuel lines and the fuel filter. Replace the fuel
filter. Drain any water from the fuel filter.
2.
The operation of the fuel transfer pump is not correct.
Refer to Problem 1.
3.
The air inlet or the exhaust system is restricted.
Inspect the air inlet and the exhaust systems. Remove
any restrictions.
4.
Air is in the fuel system.
Find the air leak in the fuel system. Repair the fuel
system.
Problem 3
The engine misfires or the engine runs rough.
Probable Cause
1.
The fuel pressure is low.
Make sure that the fuel tank has enough fuel. Look for
leaks or defective bends in all of the fuel supply lines.
Test the outlet pressure of the fuel transfer pump.
2.
Air is in the fuel system.
Find the air leak in the fuel system. Repair the air leak.
3.
The valve lash is not correct.
Adjust the valve lash.
4.
The operation of the fuel injection pump is not correct.
Refer to Problem 1.
5.
A fuel injector nozzle does not operate correctly.
Refer to Problem 1.
6.
The engine mounts are not correctly tightened or
mounted correctly. This condition also causes vibration.
Check the engine mounts for correct positioning. Check
the bolts of the engine mounts for correct tightening.
7.
The fuel is contaminated with water, dirt, ice or wax.
Drain any water from the fuel tank or the fuel filter, If the
fuel is contaminated by dirt, ice or wax, replace the fuel.
For the proper removal and disposal of fuel, refer to the
Disassembly and Assembly manual.
8.
The cylinders have low compression.
Refer to Problem 1.
Problem 4
The engine runs evenly, but the engine loses power.
Probable Cause
1.
The cylinders have low compression.
Refer to Problem 1.
2.
The operation of the fuel injection pump is not correct.
Refer to Problem 1.
3.
The valve lash is not correct.
Adjust the valve lash.
4.
The air cleaner is restricted.
The air cleaner must be repaired or replaced.
5.
Air is in the fuel system.
Remove the air from the fuel system. Make sure that
the fittings of the fuel lines are aligned and tightened
correctly.
6.
The fuel transfer pump is not operating correctly. The
fuel transfer pump is installed with the lobe of the
camshaft on maximum lift.
Refer to Problem 1.
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