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Page Title:
Table 1. Engine Troubleshooting Procedures - continued |
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 TM 9-2320-361-24-1
0006 00
MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)
Table 1. Engine Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. Check turbocharger hoses and
1. Tighten base screws and clamps.
7. POOR ACCELERATION
intake manifold elbow for leaks.
Replace any missing screws or
AND/OR LACK OF
clamps (WP 0051 00).
POWER (Contd)
2. If there is no improvement
during test run, turbocharger
malfunction is indicated; replace
turbocharger (WP 0057 00).
9. Inspect around cylinder head for
Replace head gasket (WP 0027 00).
evidence of a blown head gasket
(e.g., air bubbles, oil, coolant, etc.).
10. Inspect radiator cap for milky
If radiator cap has milky film on or
film.
around it, check cylinder heads and
gaskets for defects (WP 0027 00).
Adjust fuel shutoff to proper
11. Inspect fuel shutoff for proper
position (WP 0071 00).
adjustment (WP 0071 00).
1. Check fuel system for
Refer to WP 0006 00, table 1,
8. ENGINE SURGES
contamination and restrictions.
malfunction 2, step 2.
2. Inspect throttle linkage for
If linkage does not operate properly,
proper operation and adjustment
adjust or replace as necessary
3. Check in-tank fuel pump
If fuel pressure is uneven or below
operation (WP 0061 00).
specifications, replace in-tank fuel
pump (WP 0061 00).
1. Check oil level for overfilling
If oil level is too high, drain the
9. EXCESSIVE OIL LOSS OR
(TM 9-2320-361-10).
crankcase to safe operating level
CONSUMPTION DURING
NORMAL OPERATION
2. Check for external oil leaks at oil
Tighten any loose connections or
pan, drainplug, oil filter, oil filter
loose screws that may cause leaks.
housing, oil cooler, oil dipstick
tube, rocker arm cover, oil feed
lines, and turbocharger.
3. Inspect radiator cap for milky
If radiator cap has milky film on or
film.
around it, check cylinder heads and
gaskets for defects (WP 0027 00).
If engine idle speed is incorrect,
4. Verify engine idle speed is set
adjust (WP 0070 00).
within specifications
1. Replace inoperative oil pressure
5. Check oil pressure gauge for
gauge (WP 0095 00).
proper operation (WP 0014 00,
table 1, malfunction 4).
2. If oil pressure gauge has
maximum reading of 60 psi
(413kPa) and needle peaks at 60
psi (413kPa), replace with new
oil pressure gauge (range 0120
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