JLG E450A Operation And Safety Manual page 50

Boom lift
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SECTION 3 - MACHINE CONTROLS AND INDICATORS
NOTE:
To operate the Drive joystick, pull up on the lock-
ing ring below the handle.
NOTE:
The Drive joystick is spring loaded and will auto-
matically return to neutral (off) position when
released.
7. Drive/Steer
The Drive controller provides for
driving either forward or back-
ward when positioned to For-
ward or Reverse. The controller is
'ramped' to allow infinitely vari-
able drive speed between fast
and slow.
Positioning the steer control thumb operated switch Right
or Left enables steering the machine to the right or left
respectively.
NOTE:
When lower boom is raised above horizontal, or the upper boom
is raised approximately 16 inches (40.64 cm) above boom rest,
the high drive function will automatically switch to low drive.
This also occurs when Function Speed Control is clicked on creep.
3-10
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CONTROL LEVERS OR
TOGGLE SWITCHES CONTROLLING PLATFORM MOVEMENT DO NOT RETURN TO THE
OFF OR NEUTRAL POSITION WHEN RELEASED.
8. Telescope Control
The Telescope control switch affords extension
and retraction of the main boom when posi-
tioned to In or Out.
9. Lights (If Equipped)
This switch operates control console panel
lights and head lights if the machine is so
equipped.
10. Jib (If Equipped)
Push forward to lift up, pull back to lift down.
Variable lift speed is using the Function
Speed Control.
– JLG Lift –
3121647

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