Caterpillar C317 — Bleed Engine Brake Housings
Maintenance
For the Caterpillar C317, from the Caterpillar service manual.
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Before you start
- Wear eye protection and do not expose your face over the engine area; take precautions to prevent oil leakage onto the engine.
- Whenever the engine is running with the valve covers removed, oil splashing in the engine area could cause personal injury.
Procedure
- Start the engine and allow to run for a few minutes.
- Depress and release the engine brake solenoid disc several times to allow the housing to be filled with oil.
- Watch the master piston to be sure it is moving down onto the injector rocker arm pad.
- Watch the slave piston assembly; it should move down to contact the pin in the exhaust valve screw.
- Check each housing to be sure they are functioning.
- Shut down engine; clean the gasket surface for the cover.
Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.