Kohler — Fuel Conversion from NG to LPG, 14RCA/L (Original Fuel System)
Installation
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
- Disconnect battery before working on generator set
- Explosive fuel vapors can cause severe injury or death
Procedure
- Press OFF button on generator set controller.
- Disconnect utility power to the generator.
- Disconnect engine starting battery, negative lead first.
- Turn off and disconnect the fuel supply.
- Remove hose clamp and fuel hose from hose fitting.
- Use straight-blade screwdriver to remove NG orifice from hose fitting.
- Insert LPG orifice into hose fitting and tighten until snug.
- Slide hose onto hose fitting and secure with clamp.
- Disconnect ignition timing leads 65 and N3 for LPG.
- Connect and turn on the new fuel supply.
- Reconnect battery leads, negative lead last.
- Reconnect utility power to the generator.
- 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
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.