ISM, ISMe, and QSM11 – 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 or disconnect the following:

• Turbocharger control valve filter. Refer to Procedure 010-114.
• Air line from the turbocharger control valve. Refer to Procedure 010-119.
• Air supply line from the air tank.
• Electrical wiring harness from the turbocharger control shutoff valve. Refer to Procedure 019-386 in the Troubleshooting and Repair Manual, CM870 Electronic Control System, ISM Engines, Bulletin 4021381.

Remove the two mounting capscrews and separate the turbocharger control shutoff valve filter head from the turbocharger control shutoff valve filter head mounting bracket.

Remove the air shutoff valve. Refer to Procedure 019-386 in the Troubleshooting and Repair Manual, CM870 Electronic Control System, ISM Engines, Bulletin 4021381.

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.

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

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

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

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

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. Refer to Procedures 019-386 and 019-388 in the Troubleshooting and Repair Manual, CM870 Electronic Control System, ISM Engines, Bulletin 4021381.

If water entrapment or contamination is found, inspect the vehicle air drier for proper operation.

Repair the cause of water entrapment or contamination.

Install the air shutoff valve. Refer to Procedure 019-386 in the Troubleshooting and Repair Manual, CM870 Electronic Control System, ISM Engines, Bulletin 4021381.

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

CAUTION  Do not use thread sealant. Doing so can possibly contaminate and damage internal components.

Install or connect the following:

• Air line from the air tank.
• Air line from the turbocharger control valve. Refer to Procedure 010-119.
• New turbocharger control shutoff valve filter. Refer to Procedure 010-114.
• Electrical wiring harness to the turbocharger control shutoff valve. Refer to Procedure 019-386, Turbocharger Control Shutoff Valve, in the Troubleshooting and Repair Manual, CM870 Electronic Control System, ISM Engines, Bulletin 4021381.
• Start and run engine. Check for fault codes and air leaks.