Caterpillar C317 — Exhaust Valve Bridge Adjusting Screw Replacement

Repair & overhaul

For the Caterpillar C317, from the Caterpillar service manual.

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Procedure

1. Remove accessory equipment necessary to remove the rocker covers.
2. Remove the rocker covers; note the valve arrangement.
3. Loosen the locknut and adjusting screw on the exhaust rocker arm.
4. Loosen the locknut on the exhaust valve bridge adjusting screw.
5. Move the exhaust valve push rod aside to allow rocker arm rotation.
6. Remove the exhaust valve bridge.
7. Remove the Caterpillar adjusting screw and locknut; install Jacobs screw and pin assembly and Jacobs locknut (hexagon side up).

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.

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