Kohler 12RESM1 Installation Manual page 21

Procedure to Convert from NG to LP
1. Place the generator set master switch in the OFF
position.
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. See Figure 1-15.
Fuel System Detail
1. Hose fitting (LP orifice fits inside; see Figure 1-16)
2. Regulator
3. Fuel valve
4. Fuel inlet, 1/2 in. NPT female
5. Fuel hose with clamp
6. DSAI connector location (see Figure 1-18)
Figure 1-15 Fuel System Components, Air Inlet Side,
17/18 kW Shown
TP-6516 4/09
1
2
3
4
2
5
6
3
GM51561A-D
6. Place the orifice into the hose fitting.
Figure 1-16.
1. LP orifice
Figure 1-16 LP Fuel Orifice Installation
7. Slide the hose onto the hose fitting and secure it
with the clamp.
8. Disconnect the digital spark-advance module
(DSAI) leads for LP. (Connect the leads for natural
gas.) See Figure 1-17 and Figure 1-18.
Fuel
4
Natural Gas
LP
Figure 1-17 DSAI Connection
1. DSAI leads 65 and N5: connect for natural gas,
disconnect for LP
Figure 1-18 Digital Spark Advance (DSAI) Leads
1
2. Hose fitting
DSAI Leads
Disconnect
1
(located in generator set air intake area)
Section 1 Installation
See
2
3
tp6514
3. Regulator
Connect
tp6514
21