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ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 010-118   Turbocharger Actuator Air Line

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Preparatory Steps

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Remove the turbocharger control valve, if necessary.
Refer to Procedure 019-388 (Turbocharger Control Valve) in Section 19, in Troubleshooting and Repair Manual, CM850 Electronic Control System, ISC and ISL Engines, Bulletin 4021416.

 
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Remove

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Disconnect the air line from the turbocharger actuator.

Disconnect the air line from the quick-connect fitting on the intake side of the engine.

Remove the mounting capscrew from the crankcase breather.

Disconnect the banjo fitting from the turbocharger control valve.

Use masking tape to tape the end of the air line and turbocharger control valve to prevent contamination.

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Clean and Inspect for Reuse

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Inspect the air line for wear or damage.

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

Replace as necessary.

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Install

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Remove the masking tape from the ends of the turbocharger actuator supply line before installing the line.

Install the air line and the mounting capscrew to the crankcase breather.

Torque Value:  5  n.m  [44 in-lb]

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Connect the flexible elbow to the turbocharger control valve, use new sealing washers.

Torque Value:  8  n.m  [71 in-lb]

Install the quick connect fitting to the air line.

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Connect the air supply line to the turbocharger actuator.

Torque Value:  24  n.m  [18 ft-lb]

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Finishing Steps

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Operate the engine and check for proper operation. Check for air leaks.

  
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Last Modified:  15-Aug-2007
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