Kohler — Fuel Selection, Revised Fuel System, 14/20/26RCA/L
Installation · Fuel regulator
From a Kohler service manual covering: 14RCA, 20RCA, 26RCA. Check it applies to your exact model before use.
Applies to: Kohler 14RCA, Kohler 20RCA, Kohler 26RCA
Before you start
- Explosive fuel vapors can cause severe injury or death
Procedure
- Press OFF button on generator set controller.
- Disconnect utility power to the generator set.
- Disconnect engine starting battery, negative lead first.
- Turn off the fuel supply.
- For NG, turn selection knob clockwise to UP arrow; for LPG, turn counterclockwise about 1/4 turn.
- For NG, connect ignition timing lead 65 to N3; for LPG, disconnect lead 65 from N3.
- Connect and turn on fuel supply, ensuring it matches the fuel setting.
- Reconnect battery leads, negative lead last.
- Reconnect utility power to the generator.
- Change fuel type setting on RDC2 controller in Genset System menu.
- Start generator by pressing RUN button.
- Check for leaks using a gas leak detector.
- Run generator and check operation; press OFF when done.
Tools required
- gas leak detector Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Kohler 14RCA →, Kohler 20RCA →, Kohler 26RCA →
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.