ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 003-013   Rocker Lever Housing

Preparatory Steps

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 WARNING 

Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

NOTE: This procedure is for engines with a perimeter bolted rocker lever cover. Refer to Procedure 020-007 in Section 20.

 
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Remove

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Remove the rocker lever housing mounting capscrews.

Remove the rocker lever housing and gasket from the cylinder head.

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Clean and Inspect for Reuse

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 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.
 WARNING 

Some solvents are flammable and toxic. Read the manufacturer’s instructions before using.
 WARNING 

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

Remove the rocker lever housing gasket.

Clean the rocker lever housing with solvent.

Dry with compressed air.

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Inspect the rocker lever housing for cracks or any other damage, especially on the cylinder head mounting surface.

Inspect the bridge area in the center of the rocker lever housing for cracks.

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Install

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Install the 22 mm cup plugs into the rocker lever housing.

Coat contact surface of cup plug with Permatex® sealant or equivalent.

Install cup plugs flush with outer surface of the rocker lever housing.

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NOTE: A new rocker lever housing gasket must be used when the rocker lever housing is removed. Do not reuse the old gasket.

Install the new rocker lever housing gasket. Start by pressing the molded gasket into the corners of the rocker lever housing then press the remaining gasket into the housing.

Install the rocker lever housing on the cylinder head.

Install the capscrews and tighten. Start with the center capscrew and work outward, in a spiral pattern.

Torque Value:  24  n.m  [212 in-lb]

NOTE: No capscrew goes in the outer end holes of the rocker lever housing.

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Finishing Steps

TOC

 WARNING 

Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

SMALL | MEDIUM | LARGE
Last Modified:  24-Sep-2009