Kohler 14RESA Manual page 119

For controllers with firmware version 4.5 or higher, use
SiteTech software to change the fuel type setting in the
Genset System group. The fuel type setting is important
if a Load Control Module (LCM) or load shed kit is
connected to the generator controller.
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 utility power to the generator set.
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 6-32.
6. Remove the hose fitting from the natural gas outlet
port in the fuel block. See Figure 6-32.
7. Remove the plug from the LPG port in the fuel
block. See Figure 6-32.
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 LPG 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 the ignition timing leads for LPG. See
Figure 6-26 for the location of the ignition timing
leads.
12. Connect and turn on the new fuel supply.
13. Reconnect the generator set engine starting
battery leads, negative (--) lead last.
14. Reconnect utility power to the generator set.
TP-6805 8/15
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. Press the OFF button to shut down the generator
set.
18. For controllers with firmware version 4.5 or higher,
use SiteTech software to change the fuel type
setting on the controller.
To convert from LPG vapor to natural gas, follow the
same fuel conversion procedure, moving the hose fitting
to the natural gas port and plugging the LPG port.
Connect the ignition timing leads for natural gas. See
Figure 6-33.
1
5
4
1. Fuel block
2. Fuel metering valves—factory-sealed, do not adjust
3. Fuel inlet, 1/2 in. NPT
4. Hose fitting
5. Plug
Figure 6-32 Fuel Block, 14RESA/RESAL
Fuel Ignition Timing Leads 65 and N3
Natural Gas
LPG
Figure 6-33 Ignition Timing Lead Connection
Section 6 Component Testing and Adjustment
2
Natural gas
setup shown
3
GM66563
Connect lead 65 to N3
Disconnect
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