JLG 340AJ Operator Manual - Manual (Page 36)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-4 – JLG Lift – 3121258
NOTE: When the Platform/Ground Select Switch is in the center
position, power is shut off to the controls at both operat-
ing stations. Remove the key to prevent the controls from
being actuated. The key is removable in the platform posi-
tion on CE specification machines. The key must be avail-
able to ground personnel in the event of an emergency.
4. Platform/Ground Select Switch
The three position, key operated switch supplies power
to the platform control console when positioned to
PLATFORM. With the switch key turned to the GROUND
position only ground controls are operable.
5. Telescope Control
Provides extension and retraction of the boom.
6. Main Boom Lift
Provides raising/lowering of the main boom when posi-
tioning up or down.
7. Tower Boom Lift
Provides raising and lowering of the tower boom.
8. Swing
Provides 355 degrees non-continuous turntable rotation.