4.10 Skyguard Operation; Dual Fuel System (Gas Engine Only); Changing From Gasoline To Lp Gas; Changing From Lp Gas To Gasoline - JLG 340AJ Operation And Safety Manual

4.10 SKYGUARD OPERATION

Skyguard is used to provide enhanced control panel protection.
When the SkyGuard sensor is activated, functions that were in
use at the time of actuation will reverse or cutout. The table
below outlines these functions.
Table 4-1. Skyguard Function Table
Main Main Drive
Swing
Lift Tele Forward
R C/R* R R
R = Indicates Reversal is Activated
C = Indicates Cutout is Activated
I = Input is Ignored
Note: When Soft Touch is enabled with SkyGuard all functions are cut out only.
* Reversal only applies to Main Tele Out. Main Tele In would be cut out
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Drive Platform Platform
Reverse Level Rotate
I R R C C

4.11 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 ALLOW-
ING THE ENGINE TO STOP. EXTREME CARE MUST BE TAKEN AND THE FOLLOWING
INSTRUCTIONS MUST BE FOLLOWED.
Jib
Lift

Changing From Gasoline to LP Gas

C
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.
– JLG Lift –
SECTION 4 - MACHINE OPERATION
4-11