TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Open left-side door assembly 1. If turbocharger inlet hose is
10. Engine is Unusually Noisy - Continued.
(TM 5-3895-379-10). Check
damaged or leaking, replace
turbocharger inlet hose for
damage or leakage.
2. If turbocharger inlet hose is not
damaged or leaking, go to Step 5.
5. Check turbocharger impeller for 1. If impeller is restricted, remove
damage and restrictions. Loosen
restriction. Install hose on
clamp and remove inlet hose from
turbocharger and tighten clamp.
turbocharger. Inspect impeller for
Close left-side door assembly.
cracks. The impeller should spin
freely. Measure impeller shaft 2. If turbocharger impeller is
cracked, does not spin freely, or
play. Acceptable impeller shaft
has too much shaft play, replace
end play is 0.001-0.004 inches
(0.03-0.10 mm). Acceptable
impeller shaft radial play is 3. If impeller is not damaged or
0.003-0.006 inches (0.08-0.15
restricted, install inlet hose on
mm).
turbocharger and tighten clamp.
Go to Step 6.
TURBOCHARGER
IMPELLER
CLAMP
INLET
HOSE
401-823
0006 00-33