Loosen clamp and remove inlet hose from turbocharger.
Inspect impeller for cracks.
The impeller should spin freely.
· Acceptable impeller shaft end play is 0.001-0.004 inches (0.03-0.10 mm).
· Acceptable impeller shaft radial play is 0.003-0.006 inches (0.08-0.15 mm).
Measure impeller shaft play.
If impeller is restricted, remove restriction. Install hose on turbocharger and tighten clamp
If turbocharger impeller is cracked, does not spin freely, or has too much shaft play, replace
If turbocharger impeller is OK, notify supervisor that engine is using excessive fuel.
Figure 3. Turbocharger.
END OF WORK PACKAGE