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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
Replace oil (WP 0011 00).
3.
Engine Cranks Slowly, Hard to Start.
1.
In cold weather, make sure
proper engine oil is being
used (WP 0009 00).
2.
Check starting circuits.
Refer to Electrical Trouble-
shooting.
4.
Engine Starting Motor Operates, Does Not
Check for broken or damaged
Engage Flywheel Ring Gear.
flywheel teeth or starter driver
Replace defective starter (WP
a. Remove starting motor
(WP 0078 00) and inspect
starter drive for damages
teeth.
Replace defective fly-wheel
b. Manually turn engine and
assembly (WP 0030 00).
inspect flywheel ring gear
teeth through starting
motor
opening
in
flywheel housing.
Inspect
air
cleaner
for
5.
Engine Misfires or Runs Rough.
1.
Check air cleaner for air
restriction.
restrictions. Clean air inlet and
service air cleaner filter
elements (WP 0045 00).
1. Drain fuel tank (WP 0052 00)
a. Open draincock (WP
completely
clean glass container. If
container is 1/4 full of
water, or if dirt is evident,
fuel is contaminated.
2. Replace fuel filters (WP 0059
3. Fill fuel tank with correct
grade of clean fuel (TM 5-
2410-237-10).
4. Prime fuel system (WP 0041
1. Clean lines with compressed
b. Disconnect fuel lines
air or sturdy wire and
between tank shutoff
reconnect (WP 0053 00).
valve and primary fuel
filter (WP 0059 00) and
check for obstruction.
Change 1
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