JLG 660SJ Operator Manual - Manual (Page 69)

SECTION 4 - MACHINE OPERATION
3121297 – JLG Lift – 4-15
4.12 AUXILIARY POWER
WHEN OPERATING ON AUXILIARY POWER, DO NOT OPERATE MORE
THAN ONE FUNCTION AT A TIME. (SIMULTANEOUS OPERATION CAN
OVERLOAD THE 12-VOLT AUXILIARY PUMP MOTOR.)
A toggle type auxiliary power control switch is located on the
platform control station and another is located on the ground
control station. Operation of either switch turns on the electri-
cally driven auxiliary hydraulic pump. This should be used in
case of failure of the main power plant. The auxiliary pump
will operate boom lift, telescope and swing. To activate auxil-
iary power:
Activating from the Platform Control Station
1. Position Platform/Ground Select Key
Switch to Platform.
2. Position Power/Emergency Stop switch to
On.
3. Depress and hold footswitch.
4. Position Auxiliary Power switch to On and
hold.
5. Operate appropriate control switch, lever or controller
for desired function and hold.
6. Release Auxiliary Power switch, selected control switch,
lever or controller, and footswitch.
7. Position Power/Emergency Stop switch to
Off.
Activating from the Ground Control Station
1. Position Platform/Ground Select Key
Switch to Ground.
2. Position Power/Emergency Stop switch to
On.