JLG E450AJ Operation And Safety Manual page 40

SECTION 3 - MACHINE CONTROLS AND INDICATORS
6. Machine Safety System Override (MSSO)
(If Equipped)
Provides emergency override of function
controls that are locked out in the event of
Load Sense System activation.
7. Swing
The Swing control switch provides 350
degrees non-continuous turntable rotation.
8.
Circuit Breakers
The circuit breakers open (pop out) to indicate a short or
overload somewhere on the machine.
9. Power/Emergency Stop Switch
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.
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10. Platform/Ground Select Switch
A three position, key operated switch
supplies power to the platform control
console when positioned to Platform.
With the switch key in the Ground posi-
tion, power is shut off to platform and
only ground controls are operable.
NOTE: With Platform/Ground Select switch in the center position,
power is shut off to controls at both operating stations.
11.
Lower/Mid Boom Lift
Provides for raising and lowering of Lower
Boom.
12.
Upper Boom Lift
Provides for raising and lowering of Upper
Boom.
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