ISM, ISMe, and QSM11 – 020-007   Engine Brake Housing Spacer

• Remove the rocker lever cover. Refer to Procedure 003-011 in Section 3.

Remove the external oil supply hose from the engine brake spacer.

Disconnect the electrical connectors in the engine brake spacer.

Disconnect the internal oil supply to the engine brake.

Remove the 18 spacer capscrews.

WARNING  Wear safety glasses or a face shield, as well as protective clothing, to prevent personal injury when using a steam cleaner or high-pressure water.

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

Remove any RTV sealant and steam clean and dry with compressed air.

Inspect the spacer for cracks or other damage. Replace if necessary.

Apply a 3.0 mm [0.118 in] bead of RTV sealant to the engine brake sealing surface.

• Make sure the sealing surface is free of oil film
• The sealant must loop around the capscrew holes on the back side (fuel pump side) of the spacer.

Install the spacer on the rocker lever housing.

Install the 18 capscrews in the housing.

Tighten the capscrews in the sequence shown.

Connect and tighten the internal engine brake oil supply hose.

Connect the solenoid wires to the electrical connectors in the engine brake spacer.

Connect and tighten the external engine brake oil supply hose.

• Install the rocker lever cover. Refer to Procedure 003-011 in Section 3.
• Operate the engine and check for leaks.