Operators Cab; Control & Instrument Identification - JLG GRADALL 544D Owner's/Operator's Manual

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3.0
OPERATOR'S CAB
OPERATOR'S CAB
The standard cab permits vision from all sides and includes an overhead guard
to provide protection from falling objects.
A fully-enclosed cab with windows and a lockable door is available as an option.
The top half of the cab door must be secured in the fully-opened or closed
position. The bottom half of the cab door can be secured in the closed position
only. Be sure the door is fully secured when operating the handler.
The operator's seat is equipped with a seat belt and includes fore and aft
adjustment to compensate for variations in operator size. The adjustment
release/lock is located beneath front edge of seat. Wear seat belt when
operating machine.
An optional windshield wiper/washer is available for use with enclosed cabs. A
control switch is located on the instrument panel.
A variable-speed defroster fan is available for use with enclosed cabs. An "On/
Off" control switch and speed control are located on the base of the fan.
A heater fan is available for use with units equipped with a heater. An "On/Off"
switch is located on the dashboard. Hot water to the heater can be controlled
by a valve at the engine.
The operator's cab is an S.A.E. "FOPS/ROPS" structure. Do not make
any modification to this structure. If damaged, the cab cannot be
repaired. It must be replaced.
CONTROL AND INSTRUMENT IDENTIFICATION
Figure 3-1
!
WARNING
Never operate the handler unless
the overhead guard is in place and
in good condition.
!
WARNING
Any modification to this machine
must be approved by GRADALL to
assure compliance with FOPS/
ROPS certification for the cab/
machine configuration.
NOTE!
Relevant S.A.E. Recommended
Practices:
S.A.E. J1040 for ROPS
S.A.E. J231 for FOPS