Kohler PCH680 / PCH740 — Replace 30-Micron Button Filter

Maintenance · Vaporizer/Regulator

For the Kohler PCH680 / PCH740, from the Kohler service manual.

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Procedure

1. Remove inlet fitting w/O-ring, button filter and gasket.
2. Discard filter, gasket, and O-ring.
3. Position new gasket into regulator, install button filter (large end in).
4. Install new O-ring on inlet fitting.
5. Reinstall inlet fitting and torque to 20 N·m (177 in. lb.).

Source: Kohler 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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