TM 9-2320-272-24-1
Table 2-2. Mechanical Troubleshooting (Contd).
MALFUNCTlON
TEST OR INSPECTION
CORRECTIVE ACTION
Step 5.
Check fuel transfer pump for proper operation.
Refer to malfunction 2, step 5.
Step 6. Check for fuel leaking from fuel pressure transducer.
Refer to malfunction 2, step 6.
WARNING
Turbocharger intake fans are extremely sharp and turn at very
high rpms. Keep hands and loose items away from intake opening.
Failure to do so may cause injury to personnel.
Step 7. Check turbocharger for proper operation.
a. Remove air intake tube from turbocharger inlet (para. 3-14).
b. Start engine (TM 9-2320-272-10) and check turbocharger intake fan for free rotation.
c. If turbocharger intake fan does not rotate freely, replace turbocharger (para. 3-21).
d. If poor acceleration or lack of power exists, notify DS maintenance.
NOTE
If STE/ICE is available, perform NC90 - Governor/Power Test
Fault Isolation (para. 2-24).
END OF TESTING!
10. ENGINE SURGES
Step 1. Perform malfunction 2, step 8.
Step 2. Check accelerator linkage and modulator cables for proper operation and adjustment.
a. If accelerator linkage does not operate properly, adjust or replace as necessary
(para. 3-42 or 3-43).
b. Replace modulator cable if binding, broken, or sticking (para. 3-145).
Step 3. If engine surge continues, notify DS maintenance.
END OF TESTING!
11. EXCESSIVE ENGlNE OIL LOSS OR CONSUMPTION
NOTE
If STE/ICE is available, perform NG90 - Governor/Power Test
Fault Isolation (para. 2-24).
Step 1. Check engine oil for overfilling (TM 9-2320-272-10).
If dipstick has been read correctly and indicates excessive oil, drain crankcase to safe
operating level (LO 9-2320-272-12). Recheck oil level (TM 9-2320-272-10).
Step 2. Check for external oil leaks.
a. Wipe off edge of rocker arm cover, oil pan, oil filter, and other external surfaces.
b. Start engine (TM 9-2320-272-10) and observe for leaks.
c. Tighten any loose connections or loose screws. If leaking continues, replace defective
component or notify DS maintenance.
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