Kohler 26RCA Installation Manual page 26

Procedure to Convert from NG to LPG, 14RCA/L
1. Press the OFF button on the generator set controller.
2. Disconnect the utility power to the generator.
3. Disconnect the generator set engine starting battery, negative (-) lead first.
4. Turn off and disconnect the fuel supply.
5. Remove the hose clamp and fuel hose from the hose fitting. See Figure 14.
6. Use a straight-blade screwdriver to remove the NG orifice from the hose fitting. See Figure 14.
7. Insert the LPG orifice into the hose fitting. Use a straight-blade screwdriver to tighten the fitting until it is snug.
8. Slide the hose onto the hose fitting and secure it with the clamp.
9. Disconnect ignition timing leads 65 and N3 for LPG. The ignition timing leads are located near the top of the
compartment. See Figure 13.
10. Connect and turn on the new fuel supply.
11. Reconnect the generator set engine starting battery leads, negative (-) lead last.
12. Reconnect the utility power to the generator.
13. Start the generator set by pressing the RUN button on the generator set controller.
14. Check for leaks using a gas leak detector.
15. Run the generator set and check the operation.
16. Press the OFF button to shut down the generator set.
Conversion from LPG to Natural Gas, 14RCA/L
To convert from LPG to natural gas, repeat the steps above, removing the LPG fuel orifice and installing the NG fitting. Connect
ignition timing leads 65 and N3 together for natural gas.
Figure 14 Fuel System Showing Orifice Fitting (14RCA/L)
26
Fuel orifice fitting
Hose fitting
GM102846
TP-7091 4/23