Kohler 12RES Installation Manual - Page 16

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Procedure to Convert from NG to LPG

1. Place the generator set master switch in the

OFF/RESET position.

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 1-10.

6. Use a straight-blade screwdriver to remove the NG

orifice from the hose fitting. See Figure 1-11.

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 N5 for

LPG. The ignition timing leads are located near the

fuel solenoid valve. See Figure 1-10.

Note: Do not disconnect the leads to the fuel

solenoid valve.

Section 1 Installation

Ignition Timing Lead Connection

1. LPG fitting tied to regulator for shipping

2. Fuel hose and clamp

3. Ignition timing lead location (leads not shown)

Figure 1-10 Fuel System, As Shipped

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 moving the master

switch to the RUN position.

14. Check for leaks using a gas leak detector.

15. Run the generator set and check the operation.

16. Move the generator set master switch to the

OFF/RESET position to shut down the generator

set.

TP-6967 2/21