Centinel System – Repair Manual – 003-009   Rocker Lever Assembly

There are four rocker lever shafts:

• Front – valve and brake rocker lever shaft
• Rear – valve and brake rocker lever shaft
• Front – injector rocker lever shaft
• Rear – injector rocker lever shaft.

CAUTION  Some valves will not be loose. Do not tighten or bottom adjusting screw against lever. Engine damage can occur.

Loosen the valve and injector adjusting screw locknuts on each rocker lever.

Turn the adjusting screws counterclockwise until the rocker levers are loose.

CAUTION  Use care when handling shafts. Rocker levers can fall off the shaft during removal and damage the levers.

Remove the valve and brake, rocker lever shaft capscrews, and the rocker lever shaft assemblies.

Remove the injector, rocker lever shaft capscrews, and the rocker lever shaft assemblies.

Remove the valve crossheads.

To prevent increased wear, mark each crosshead and rocker lever shaft assembly as it is removed so it can be installed back in its original location.

Remove the rocker levers and brake levers from the shafts.

Remove the rocker lever spacers from the shaft.

Remove the locknuts and the adjusting screws from the rocker levers.

To prevent increased wear, mark each adjusting screw as it is removed so it can be installed back in its original rocker lever.