JLG X600AJ Operator Manual - Manual (Page 52)

SECTION 4 - MACHINE OPERATION
4-2 – JLG Lift – 3121637
4.3 ENGINE OPERATION
NOTE: Initial starting must always be performed from the
ground controls.
The gas engine key switch on the engine must be switched
to ON, the battery disconnect switch must be ON (see
Section 4.11 on page 4-23) and power/emergency stop but-
tons at the platform and ground controls must be ON
(turned clockwise) to start the engine.
Gas Engine Starting Procedure
NOTE: If gas engine fails to start promptly, do not crank for
an extended time. Should engine fail to start again,
allow starter to cool off for 2-3 minutes. If engine fails
after several attempts, refer to manufacturers engine
maintenance manual.
1. Set the key at the Ground/Emergency Control box
in the neutral (vertical) position, then push the
appropriate ENGINE START switch until engine
starts.
NOTE: Allow gas engine to warm-up for a few minutes at low
speed before applying any load.
If starting from the platform press the engine pre-heat
button (Item 23, Figure 4-4.).
Figure 4-1. Ground/Emergency Control Box
1. Platform/Remote (Center)
Platform Position
2. Ground Control Position -
(Turn ClockWise and Hold)
3. Platform/Remote Ground
Maintenance Position -
(Turned CounterClockWise)
4. Gas Engine Start
Button
(1)
(if equipped)
5. Electric Engine Start Button
(1)
6. Function Enable Indicator
NOTE: (1) Switch at engine must be set to ON, main battery disconnect switch must be
ON, and both the ground and platform emergency stop switches must be set to
ON.
1
3
2
6
5
4