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Page Title:
Table 1. Engine Troubleshooting Procedures |
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 TM 9-2320-361-24-1
0008 00
MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)
Table 1. Engine Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. If engine crankshaft will not turn
1. ENGINE WILL NOT
or turns hard, check internal
CRANK (Contd)
components for seizure. Remove
oil pan (WP 0035 00) and inspect
crankshaft for nicks, burns,
grooves, scuffs, or discoloration
due to overheating. If nicked,
burned, grooved, scuffed, or
discolored replace engine
5. Install fuel injector nozzle
6. Check oil pump for seizure.
If drive gear will not turn, replace oil
Remove oil pump (WP 0036 00)
pump (WP 0036 00).
and manually turn oil pump
drive gear.
7. Check air intake manifold for
If water is present within air cleaner,
presence of water.
disassemble and drain air intake
manifold (WP 0041 00).
CAUTION
Starting engine after correcting
piston fluid-locked condition must be
done with care. When pistons have
been fluid-locked within cylinders,
connecting rods may have been
damaged and can be identified
during test run by abnormal
vibration or noise. Do not operate
engine when these conditions exist.
Permanent engine damage may
result.
If engine operates with unusual
8. Remove water from air induction
sounds or vibration, refer to WP
system, if present and perform
an engine test run.
or 17.
9. Check turbocharger housing for
If water is present, replace
presence of water, identified by
turbocharger (WP 0057 00).
water on turbocharger fins or
hubs.
10. Test run engine.
If engine operates with unusual
sounds or vibration, refer to WP
or 17.
11. Remove intake manifold and
gasket. Inspect for defects
If intake manifold is defective,
replace (WP 0041 00).
0008 00-2
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