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Page Title:
Table 1. Engine Troubleshooting Procedures - Continued. |
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 TM 5-2410-237-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9.
Excessive Engine Vibration - Continued.
b. Operate engine at rpm
1. If vibration is not noticeable,
where vibration occurred.
replace fan drive assembly
2. If vibration is noticeable, go
to step 5.
5.
Inspect for loose engine
1. If supports are loose because
mounting supports.
of wear or damage, replace
support(s) (WP 0022 00 and
2. If mounting supports are not
damaged or worn, but are
loose, tighten mounting
supports-to-fram capscrews
to 325 lb-ft (441 Nm).
Securely
tighten
front
supports-to-engine and rear
supports-to-flywheel housing
capscrews.
If incorrect fuel was put in,
10. Engine Knocks (Fuel Knock).
1.
Check with operator to
determine if fuel tank was
perform the following tasks:
filled with correct fuel.
a. Drain fuel system (WP
b. Replace fuel filters (WP
c. Fill fuel tank with correct
fuel (TM 5-2410-237-10).
d. Prime fuel system (WP
2.
Check fuel injection lines
Bleed air from fuel injection
for air.
lines (WP 0041 00).
3.
Perform cylinder balance
1. Replace defective nozzle
test (WP 0043 00).
2. If nozzle is operating
properly,
replace
fuel
injection pump for that
cylinder (WP 0055 00).
4.
Check fuel injection timing
3. Adjust timing, if necessary
Change 1
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