JLG 601S Operator Manual - Manual (Page 34)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-2 – JLG Lift – 3121218
Ground Control Station
See Figure 3-1., Ground Control Panel.
NOTE: If equipped, the Function Enable switch must
be held down in order to operate Telescope,
Swing, Lift, Jib Lift, Platform Level Override,
and Platform Rotate functions.
1. Platform Rotate
A three position ROTATE control switch permits rotation
of the platform when positioned to LEFT or RIGHT.
2. Platform Leveling Override
A three position switch allows the operator to compen-
sate for any difference in the automatic self leveling sys-
tem.
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.
3. 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.
4. 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 running.
If equipped, the enable switch must be held
"DOWN" to enable all boom controls when
the engine is running.
NOTE: Auxiliary power only works if there is no engine oil pres-
sure, and is disabled if engine is running.