7-Step Fault Finding

1. Turbocharger Data Plate
2. Compressor / Turbine Wheel
3. Compressor / Turbine Housing
4. Bearing Clearances
5. Bearing Housing
6. Pneumatic Actuation
7. Pneumatic Actuator Leakage

7-Step Fault Finding

Page 1 / 2 / 3 / 4 / 5 / 6 / 7

Check 2.

Compressor/Turbine Wheel

Check for:
A) cracked, bent or damaged compressor (impeller) blades.

B) cracked bent or damaged turbine blades.

WARNING
Ensure wheels have stopped rotating before handling.

CAUTION
Never attempt to straighten blades. If any bent blades are detected replace or rebuild turbocharger.

Page 1 / 2 / 3 / 4 / 5 / 6 / 7

Copyright © 2005 Holset Engineering Co. Limited