JLG 450A_AJ Series II Operator Manual - Manual (Page 69)

SECTION 4 - MACHINE OPERATION
3121289 – JLG Lift – 4-15
4.14 DUAL FUEL SYSTEM (GAS ENGINE ONLY)
The dual fuel system enables the standard gasoline engine to run
on either gasoline or LP gas.
IT IS POSSIBLE TO SWITCH FROM ONE FUEL SOURCE TO THE OTHER WITHOUT ALLOWING
THE ENGINE TO STOP. EXTREME CARE MUST BE TAKEN AND THE FOLLOWING INSTRUC-
TIONS MUST BE FOLLOWED.
Changing From Gasoline to LP Gas
1. Start engine from Ground Control Station.
2. Open hand valve on LP gas supply tank by turning counter-
clockwise.
3. While engine is operating on GASOLINE under a no-load
condition, place FUEL SELECT switch at Platform Control to
LP position.
Changing From LP Gas to Gasoline
1. With engine operating on LP under a no-load condition,
position FUEL SELECT switch at Platform Control Station to
GASOLINE position.
2. Close hand valve on LP gas supply tank by turning clock-
wise.