JLG 1250AJP Operation & Safety Manual page 74

Machine Operation
To avoid tip over, if red tilt warning light illuminates when the boom is raised
above horizontal, lower platform to ground level. Then reposition machine so that
chassis is level before raising boom.
If the platform does not stop when a control switch or lever is released, remove
foot from footswitch or use emergency stop switch to stop the machine.
Traveling with the boom below horizontal is permitted on grades and side slopes
specified in the Operating Specifications section of this manual.
To avoid serious injury, do not operate machine if any control lever or toggle switch
controlling platform movement does not return to the off or neutral position when
released.
To avoid a collision and injury if platform does not stop when a control switch or
lever is released, remove foot from footswitch or use emergency stop switch to
stop the machine.
4.16.1 Swinging the Boom
To swing boom, use Swing control switch to select Right or Left direction.
When swinging the boom make sure there is ample room for the boom to clear
surrounding walls, partitions and equipment.
4.16.2 Raising and Lowering the Tower Boom
This machine has two controls for the tower boom (two toggle switches), one controls
tower lift, the other tower telescope. The switching system will sequence its Lift and
Telescope functions as follows:
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CAUTION
NOTICE
31222384 1250AJP