Centinel System – Repair Manual – 003-011   Rocker Lever Cover

NOTE: Engines built before September 7, 2006, and have a the separate cover and separate gasket.

Remove the eight capscrews and isolator assemblies from the rocker lever cover.

Remove the cover and gasket from the head separately.

The rocker lever cover gasket is reusable. Do
not damage the gasket when removing or cleaning.

NOTE: Engines built after September 7, 2006, or engines that have the cover gasket embedded in the rocker lever cover.

Completely loosen the eight capscrews and isolator assemblies.

Remove the rocker lever cover, the cover gasket and the isolators
all together as an assembly.

The cover gasket is reusable. Do
not damage the cover gasket when removing the cover or when setting the assembly aside during repair.

Clean the contaminated lube oil from the cylinder head cavities.

WARNING  When using a steam cleaner, wear safety glasses or a face shield, as well as protective clothing. Hot steam can cause serious personal injury.

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

Steam clean the cover. Dry with compressed air.

CAUTION  Do not use solvent to clean the rocker lever cover gasket. Solvent will damage the gasket material and cause it to swell. Prolonged exposure can also cause degradation of the gasket material.

Clean the reusable gasket with a dry, lint-free cloth, making sure no oil remains between the sealing beads.

NOTE: Engines built before September 7, 2006, have the separate rocker lever cover and a separate cover gasket, make certain that no lubricating oil remains between the sealing beads.

Inspect the rocker lever cover for cracks or damage.

Replace if necessary.

Inspect the cover gasket beads for cuts, missing beads, kinks, twists, wear, or other damage.

A gouged hole is acceptable if the bead is
not damaged.

Replace if necessary.

NOTE: Engines built after September 7, 2006, or engines that have the cover gasket embedded in the rocker lever cover.

• If the cover gasket was removed, install the cover gasket as soon as possible to avoid swelling of the cover gasket as the cover gasket swells due to its prior exposure to lubricating oil.
• If a new cover gasket is required, use P80 lubriplate™, Part Number 3163086, or soapy water to lubricate the cover gasket.

If the cover gasket was removed or requires replacement, start the installation of the cover gasket at each bolt hole and press the cover gasket into the groove in the rocker level cover around each bolt hole.

After the cover gasket is in place around
all bolt holes, press the cover gasket into the grove of the rocker level cover starting from the bolt holes moving to the center of each span.

Inspect and make certain that there are no kinks, twists or other damage.

Align the capscrew holes in the cylinder head to the cover gasket, and rocker lever cover prior to installing the capscrews and isolator assemblies.

Install the eight capscrews and isolator assemblies.

NOTE: Engines built before September 7, 2006, have the separate cover and a separate gasket, install the eight capscrews and isolator assemblies.

Tighten capscrews in sequence shown.