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Page Title:
Table 1. Engine Troubleshooting Procedures - continued |
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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
6. Check engine valve train
Refer to WP 0008 00, table 1,
6. POOR
operation and valve lash
malfunction 3, step 2. Adjust as
adjustment (WP 0031 00).
necessary (WP 0031 00).
AND/OR LACK
OF POWER (Contd)
7. Check engine cylinder compression.
Refer to WP 0008 00, table 1,
malfunction 11, tests 1 and 2.
Refer to WP 0008 00, table 2,
Replace malfunctioning components.
7. ENGINE DELIVERS
EXCESSIVE BLACK
malfunction 4.
SMOKE
Perform WP 0008 00, table 2,
Replace malfunctioning components.
8. ENGINE SURGES
malfunction 1.
1. Verify fuel injector nozzle feed
If fuel injector nozzle feed lines are
9. ENGINE MISFIRES
lines are correctly installed in fuel
incorrectly installed, remove and
DURING OPERATION
injector pump hydraulic head
install in correct location
2. Check fuel injector nozzle
Refer to WP 0008 00, table 2,
operation.
malfunction 1, step 2.
3. Check fuel injection pump
Refer to WP 0008 00, table 2,
operation.
malfunction 3, step 2.
4. Check engine valve train
Refer to WP 0008 00, table 1,
operation and valve lash
malfunction 3, step 2. Adjust if
adjustment (WP 0031 00).
necessary (WP 0031 00).
5. Check engine cylinders
Refer to WP 0008 00, table 1,
compression readings.
malfunction 11, tests 1 and 2.
Perform Engine Troubleshooting
Replace defective components as
10. ENGINE STOPS
Procedures, WP 0008 00, table 1,
necessary.
DURING NORMAL
malfunction 1.
OPERATION
NOTE
11. EXHAUST COLOR
BLUE DURING
Blue exhaust indicates presence of
NORMAL
excessive engine oil in cylinder
combustion chamber.
OPERATION
Test 1. Perform an engine cylinder
compression test.
1. Check for proper valve and
rocker arms movement and
ensure they are adjusted to
specifications (WP 0031 00).
2. Cutoff fuel supply at fuel
pump by removing fuse
3. Ensure fuel batteries are
fully charged and starter
operates normal.
4. Remove all injectors in
cylinder head.
5. Connect compression gauge
and necessary adapter to
injector port of number 1
cylinder.
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