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Kohler 14RES / 20RES — Fuel Conversion, 20RES/RESL (NG to LP)

Adjustments · Fuel system

For the Kohler 14RES / 20RES, from the Kohler service manual.

Applies to: Kohler 14RES, Kohler 20RES

Before you start

  • Explosive fuel vapors.
  • Accidental starting.

Procedure

  1. Press OFF and remove F3 fuse; disconnect battery charger.
  2. Disconnect starting battery, negative lead first; turn off fuel supply.
  3. Remove hose clamp and fuel hose from hose fitting.
  4. Insert LP orifice into hose fitting.
  5. Slide hose onto fitting and secure with clamp.
  6. Disconnect DSAI leads 65 and N5 for LP.
  7. Connect and turn on new fuel supply.
  8. Reconnect battery, negative lead last; reconnect battery charger.
  9. Reinstall F3 fuse and start generator set with RUN button.
  10. Check for leaks using a gas leak detector.
  11. Run generator set and check operation; adjust output and stability if necessary.
  12. Press OFF to shut down generator set.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • LP orifice required for LP vapor.

Full service-parts list: Kohler 14RES →, Kohler 20RES →

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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