Centinel System – Repair Manual – 010-121   Turbocharger, Variable Geometry Control Valve Air Supply Line

CAUTION  The turbocharger control valve is very sensitive to contamination. Failure to prevent contamination from entering the turbocharger control valve air lines will cause damage to the turbocharger control valve.

Make sure the keyswitch is in the OFF position.

Bleed the air from the control valve air supply line.

Disconnect the air line at the turbocharger control valve.

Mask the end of the air line and turbocharger control valve to prevent contamination.

Remove the p-clips holding the air line to the engine.

Disconnect the air line from the turbocharger control shutoff valve.

Remove the turbocharger control valve air supply line.

Mask the end of the air line and turbocharger control shutoff valve to prevent contamination.

Inspect the air line connections for wear, cracks, or other damage.

Inspect the o-rings for signs of damage or distortion.

Replace as necessary.

CAUTION  The turbocharger control valve is very sensitive to contamination. Failure to prevent contamination from entering the turbocharger control valve air lines will cause damage to the turbocharger control valve.

CAUTION  Do not use thread sealant. The use of thread sealant will cause damage to the turbocharger control valve.

Mask both ends of the turbocharger control valve air supply line before installing.

Install the turbocharger control valve air supply line.

Connect the air supply line to the turbocharger control valve.

Connect the p-clips holding air line to engine.

Connect the air supply line to the turbocharger control shutoff valve.

Start and run the engine.

Verify proper operation.

Check for air leaks.