TM 9-2330-390-14&P
Table 4-2. Unit Troubleshooting (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Check injection pump for correct timing (see paragraph 4-120).
Adjust injection pump timing (see paragraph 4-120).
Step 4.
Remove and inspect nozzle holder for clogging or damage (see paragraph 4-121).
Replace damaged nozzle holder (see paragraph 4-121).
Replace damaged injection pump (see paragraph 4-120).
25.
EXCESSIVE BLACK OR DARK GRAY EXHAUST IS OBSERVED.
If NBC exposure is suspected, all engine air cleaner air filter media should be handled
by personnel wearing protective equipment. Consult your NBC Officer or NBC NCO
for appropriate handling or disposal procedures.
Step 1.
Check for clogged air cleaner element (see paragraph 4-123).
Clean or replace damaged air cleaner element (see paragraph 4-123).
Step 2.
Check for clogged fuel filter (see paragraph 4-124).
Clean or replace damaged fuel filter (see paragraph 4-124).
26. EXCESSIVE WHITE OR BLUE EXHAUST IS OBSERVED.
Check injection pump for correct timing (see paragraph 4-120).
Adjust injection pump timing (see paragraph 4-120).
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