JLG 660SJ Operator Manual - Manual (Page 39)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121205 – JLG Lift – 3-3
3. Jib (If Equipped)
This switch provides raising and lowering of the jib.
NOTE: When Power/Emergency Stop switch is in the “ON” posi-
tion and engine is not running, an alarm will sound, indi-
cating Ignition is “ON”.
WHEN THE MACHINE IS SHUT DOWN THE MASTER/EMERGENCY STOP
SWITCH MUST BE POSITIONED TO THE “OFF” POSITION TO PREVENT
DRAINING THE BATTERY.
NOTE: On machines with diesel engines, when Glow Plug Indi-
cator is lighted (Yellow), wait until light goes out before
cranking engine.
4. Power/Emergency Stop Switch
A two-position red mushroom shaped switch supplies
power to PLATFORM/GROUND SELECT switch when
pulled out (on). When pushed in (off), power is shut off
to the PLATFORM/GROUND SELECT switch.
5. Engine Start/Auxiliary Power Switch
or
Engine Start/ Auxiliary Power Switch /Function Enable
To start the engine, the switch must be held "UP"
until the engine starts.
To use auxiliary power, the switch must be held
“DOWN” for duration of auxiliary pump use. Aux
power can only be used if the engine is not run-
ning.
If equipped, the enable switch must be held
"DOWN" to enable all boom controls when the
engine is running.
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.)