SECTION 4 - MACHINE OPERATION
3121773
– JLG Lift –
4-5
4.4
BASE AND BOOM/JIB ALIGNMENT
The machine uses a reflector/photocell alignment that
checks if the boom assembly is completely lowered and
retracted, the jib is lowered, and the turntable is aligned
with the base.
(see photos)
When these conditions are met this symbol
will display in position (6) on the Platform/
Remote Control LCD display.
UNLESS THESE CONDITIONS ARE MET, DRIVE,
STEER, TRACK WIDTH ADJUSTMENT, AND OUTRIGGER
MOVEMENT IS PREVENTED.
Base/Boom Alignment - Visual Indicator
Boom/Jib and Base Alignment - Reflectors/Photocells
Platform Rotation Alignment Indicator
There are also platform
alignment indicators on the
platform rotator assembly.
When re-aligning the plat-
form straight on the
machine, align these indi-
cators on the platform rota-
tor assembly.
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