Guardian Technologies 005281, 005282 1.9RECONFIGURING THE FUEL SYSTEM, ‹1.9.1 7 KW, 410CC ENGINE

Section 1 — General Information

Air-cooled Generators

1.9RECONFIGURING THE FUEL SYSTEM

‹1.9.1 7 KW, 410CC ENGINE

To reconfigure the fuel system from NG to LP, follow these steps (Figure 1.4):

NOTE:

The primary regulator for the propane supply is NOT INCLUDED with the generator. A fuel pres- sure of 10 to 12 inches of water column (0.36 to

0.43psi) to the fuel inlet of the generator MUST BE SUPPLIED.

1.Turn off the main gas supply (if connected).

2.Open the roof and remove the door.

3.Remove the battery (if installed).

4.Disconnect wire #0 and wire #14 from the gas solenoid on top of the demand regulator.

5.Remove the carburetor fuel hose from the outlet port of the demand regulator.

6.Remove the demand regulator by removing the fastener that retains the regulator mounting bracket.

7.Remove the square headed steel pipe plug from outlet port #1 and the brass hose barb fitting from outlet port #2.

8.Refit the brass hose barb fitting to outlet port #1 and the square headed steel pipe plug to outlet port #2.

Figure 1.4 – Demand Regulator

HOSE & PLUG

SWITCHED SIDES

NOTE:

Use an approved pipe sealant or joint compound on all threaded fittings to reduce the possibility of leakage.

9.Reverse procedure steps 1-6 to reinstall demand regulator.

10.Take the plastic plug supplied in the poly-bag with the generator and press it into the 3/4” hole on the bottom of the air cleaner base (Figure 4.6).

11.Reverse the procedure to convert back to natural gas.

12.Check for gas leakage at the pipe plug, hose con- nection and fittings.

‹1.9.2 10, 13 AND 16KW, V-TWIN ENGINES

To reconfigure the fuel system from NG to LP, follow these steps:

NOTE:

The primary regulator for the propane supply is NOT INCLUDED with the generator. A fuel pres- sure of 10 to 12 inches of water column (0.36 to

0.43psi) to the fuel inlet of the generator MUST BE SUPPLIED.

1.Open the roof.

2.For 10kW units: Loosen clamp and slide back the air inlet hose.

•Slide fuel selector on carburetor out towards the back of the enclosure (Figures 1.5 and 1.6).

•Return the inlet hose and tighten clamp secure- ly.

For 13 and 16kW units: remove the air cleaner cover.

FUEL HOSE

PIPE

FUEL HOSE

• Slide the selector lever out towards the back of

the enclosure (Figures 1.7 and 1.8).

PLUG

BRASS HOSE	BRASS HOSE
FITTING	FITTING

• Return the air cleaner cover and tighten the two

thumb screws.

ADJUSTMENT SCREW

OUTLET PORT

3.	Close the roof.
4.	Reverse the procedure to convert back to natural

FUEL JET

gas.

NG FUEL SYSTEM LP FUEL SYSTEM

STATIC

PRESSURE

TAP

RUNNING

PRESSURE

TAP

8