Briggs & Stratton Fortress 10kW Installation And Operation Manua page 21

Fuel Conversion
The engine of your home generator system is factory
Calibrated and set to operate on natural gas (NG). It may
also be operated on liquefied petroleum (LP) vapor.
To configure 10 kW units with factory installed fuel
harness for LP use:
1. Press control panel "OFF" button.
2. Remove 15 Amp fuse from control panel.
3. Remove Roof.
4. Using a slotted screwdriver turn both (C) and (D)
screws clockwise until it is snug (Over tightening
can damage mixer port)
5. Using screwdriver turn screw (C) counter clockwise
2 and ½ turns.
6. Leave screw (D) seated.
7. Connect the fuel harness (A) to the engine
solenoid (B) by joining the two-pin electrical
connectors.
8. Reinstall 15 Amp fuse in control panel.
9. Press control panel "AUTO" button.
10. Reinstall Roof and Close access panels.
• NOTE: NG Settings from factory:
• Screw C: 4 - 4.5 turns
• Screw D: 1.5 - 2 turn
The system is now ready to operate automatically using
LP vapor fuel.
To configure 10 kW units without factory installed fuel
harness for LP use:
1. Press control panel "OFF" button.
2. Remove 15 Amp fuse from control panel.
3. Remove Roof.
4. Using a slotted screwdriver turn both (C) and (D)
screws clockwise until it is snug (Over tightening
can damage mixer port)
5. Using screwdriver turn screw (C) counter clockwise
2 and ½ turns.
6. Leave screw (D) seated.
7. Reinstall 15 Amp fuse in control panel.
8. Press control panel "AUTO" button.
9. Reinstall Roof and Close access panels.
A
D
B
C
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