Caterpillar C317 — Valve Clearance Adjustment
Adjustments · Intake and exhaust valves
For the Caterpillar C317, from the Caterpillar service manual.
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Procedure
- Locate the exhaust rocker arm adjusting screw in the socket of the exhaust valve push rod.
- Insert the feeler gauge between the rocker arm and valve bridge.
- Turn the rocker arm adjusting screw clockwise until proper clearance is set.
- Hold the adjusting screw and torque the locknut to 18 lbft. (25 N-m).
Tools required
- Feeler gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Locknut 18 lbft. (25 N-m)
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.