JLG 450A_AJ Series II Operator Manual - Manual (Page 41)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121289 – JLG Lift – 3-5
4. 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.
When the engine is running, the enable switch
must be held "DOWN" to enable all boom con-
trols when the engine is running.
NOTE: Auxiliary power only works if there is no oil pressure, and is dis-
abled 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 Platform/Ground Select switch.
NOTE: When the Platform/Ground Select Switch is in the center posi-
tion, power is shut off to the controls at both operating stations.
Remove the key to prevent the controls from being actuated. The
key is removable in the platform position on CE specification
machines. The key must be available to ground personnel in the
event of an emergency.
6. Platform/Ground Select
The three position, key operated switch sup-
plies power to the platform control console
when positioned to PLATFORM. With the
switch key turned to the GROUND position
only ground controls are operable.
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 rota-
tion when positioned to the right or left.
1
HOURS
10
QUARTZ