JLG 450A II Series Operation And Safety Manual page 38

SECTION 3 - MACHINE CONTROLS AND INDICATORS
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 oil pressure, and is
disabled if engine is running.
5. Power/Emergency Stop
A two-position red mushroom shaped switch furnishes
power to Platform/Ground Select switch when pulled out
(on). When pushed in (off), power is shut off to the Plat-
form/Ground Select switch.
3-4
6. Platform/Ground Select
A three position, key operated switch supplies power to
the platform control console when positioned to Plat-
form. With the switch key held in the Ground position,
power is shut off to platform and only ground controls
are operable.
NOTE: When machine is shut down the Platform/Ground Select
switch and Emergency Stop must be positioned to OFF.
NOTE: With PLATFORM/GROUND SELECT switch in the center
position, power is shut off to controls at both operating
stations.
7. Hourmeter
The hourmeter registers up to 9,999.9 hours and cannot
be reset.
8. Swing Control
The Swing control switch provides 360 degrees non-
continuous turntable rotation when positioned to the
right or left.
– JLG Lift – 3121179