Kohler 14RESA Installation Manual page 19

Procedure to convert from NG to LPG,
14RESA/RESAL with fuel block
1. Press the OFF button on the generator set
controller.
2. Disconnect the power to the battery charger.
3. Disconnect the generator set engine starting
battery, negative (--) lead first.
4. Turn off the fuel supply.
5. Remove the hose clamp and fuel hose from the
hose fitting in the fuel block. See Figure 1-9.
6. Remove the hose fitting from the natural gas outlet
port in the fuel block. See Figure 1-9.
7. Remove the plug from the LP port in the fuel block.
See Figure 1-9.
8. Clean the plug with a dry cloth or brush, apply fresh
pipe sealant, and install the plug into the natural
gas outlet port.
9. Clean the hose fitting with a dry cloth or brush,
apply fresh pipe sealant to the threads, and install
the fitting into the LP port.
Note: Do not adjust the fuel metering valves.
10. Slide the hose onto the hose fitting and secure it
with the clamp.
11. Disconnect digital spark-advance ignition (DSAI)
leads 65 and N3 for LPG. The DSAI leads are
located near the fuel solenoid valve.
Figure 1-9.
12. Connect and turn on the new fuel supply.
13. Reconnect the generator set engine starting
battery leads, negative (--) lead last.
14. Reconnect power to the battery charger.
15. Start the generator set by pressing the RUN button
on the generator set controller.
16. Check for leaks using a gas leak detector.
17. Run the generator set and check the operation.
18. Press the OFF button to to shut down the generator
set.
TP-6803 1/15
Conversion from LPG to Natural Gas
To convert from LPG to natural gas, follow the fuel
conversion procedure above, moving the hose fitting to
the natural gas port and plugging the LP port. Connect
the DSAI leads for natural gas. See Figure 1-9.
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7
See
1. Fuel block (14RES only)
2. Fuel metering valves—factory-sealed, do not adjust
3. Fuel solenoid valve coil
4. Fuel inlet, 1/2 in. NPT
5. DSAI leads 65 and N3
6. Recommended holding points for tightening fuel connection
7. Fuel regulator
8. Ports are labeled LP and NG
9. Plug
10. Hose fitting
Figure 1-9 Fuel System, 14RESA/RESAL Equipped
with Fuel Block (built before June 26,
2014)
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6
DSAI Lead Connection
Section 1 Installation
LPG setup
shown
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photo223
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