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

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Check 6.

Pneumatic Actuation

Remove hose clip and hose from actuator spigot. Apply a clean regulated air supply of 3 bar (45 lbf/in2) pressure to the actuator and check for actuator movement.

WARNING
Keep hands away from rod and mechanism. Finger injury may result from sudden movement of the assembly when air pressure is applied.

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