TM 9-2330-381-14
4-13.
TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
APU - CONT
2.
ENGINE CRANKS BUT DOES NOT START - CONT
Step 2.
Visually check for clogged or dirty air cleaner.
If clogged or dirty, clean or replace air cleaner (para. 4-103).
Step 3.
Check nozzle holder for looseness and blockage.
Tighten or remove nozzle holder. Clear any blocked passages
and reinstall or replace nozzle holder (para. 4-102).
Step 4.
Check for blockage in fuel lines.
Remove fuel lines and check for blockage. Clear blockage or
replace fuel lines (para. 4-104).
Step 5.
Visually check for leaking or loose injection pump.
If injection pump is leaking or loose, notify DS maintenance.
Step 6.
Visually check for blockage or holes in air intake manifold.
Disassemble air intake manifold. Inspect, clear blocked
passages, or replace intake manifold as required (para. 4-103).
Step 7.
Check for contaminated fuel in fuel system (para. 3-3).
Drain and flush tank. Change fuel filter and refill tank with
proper grade of fuel (para. 4-105).
Step 8.
Check for low compression by listening for compression leaks.
a. Check glow plug for looseness. Tighten or replace as
necessary (para. 4-97).
b. Visually check for cracks and listen for leaks around
cylinder head. Notify DS maintenance if a leak is found.
c.
Visually check for cracks and listen for leaks around
engine block. If any defects are found, or if above steps
do not correct malfunction, notify DS maintenance.
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