Centinel System – Repair Manual – 010-115   Turbocharger Control Shutoff Valve Filter Head

WARNING  Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause personal injury.

WARNING  Air pressure must be released from the system before removing the turbocharger control shutoff valve. The turbocharger control shutoff valve is under pressure and can cause personal injury.

• Remove the turbocharger control shutoff valve filter. Refer to Procedure 010-114.
• Remove the air line from the turbocharger control valve. Refer to Procedure 019-388 in the Troubleshooting and Repair Manual CM870 Electronic Control System Signature and ISX Engines, Bulletin 4021334.
• Disconnect the air line from the air tank.
• Disconnect the electrical harness from the turbocharger air control shutoff valve.
• Remove the air shutoff valve. Refer to Procedure 019-386 in the Troubleshooting and Repair Manual CM870 Electronic Control System Signature and ISX Engines, Bulletin 4021334.

Remove the two mounting capscrews.

Remove the turbocharger control shutoff valve filter head.

WARNING  Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause personal injury.

Clean the turbocharger control shutoff valve filter head threads with a lint free cloth.

Inspect the threads for damage. If damage is found, replace the turbocharger control shutoff valve filter head.

Inspect the fittings and lines for signs of water entrapment or contamination. If water entrapment or contamination is found, inspect the turbocharger control shutoff valve.

Use compressed air to clean the fittings, lines, and turbocharger control shutoff valve and the turbocharger control valve.

Inspect the vehicle air drier for proper operation.

Replace the lines and turbocharger control shutoff valve, if necessary.

Repair the cause of water entrapment or contamination.

WARNING  Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause personal injury.

WARNING  When using solvents, acids, or alkaline materials for cleaning, follow the manufacturer’s recommendations for use. Wear goggles and protective clothing to reduce the possibility of personal injury.

Clean the turbocharger control shutoff valve filter head mounting surfaces with solvent.

Dry with compressed air.

Check for cracks or damage. Replace the turbocharger control shutoff valve filter head, if cracks or damage are found.

Install the two mounting capscrews and the turbocharger control shutoff valve filter head.

• Install the air shutoff valve. Refer to Procedure 019-386 in the Troubleshooting and Repair Manual CM870 Electronic Control System Signature and ISX Engines, Bulletin 4021334.
• Connect the air line from the air tank.
• Install the air line from the turbocharger control valve. Refer to Procedure 019-388 in the Troubleshooting and Repair Manual CM870 Electronic Control System Signature and ISX Engines, Bulletin 4021334.
• Install the turbocharger control shutoff valve filter. Refer to Procedure 010-114.
• Connect the electrical harness to the turbocharger control shutoff valve.
• Operate the engine and check for leaks.