Gradall 534B (9020-7317) Service Manual - Manual (Page 11)

The standard cab is open on three sides and includes
an overhead guard to provide protection from
falling objects.
A fully enclosed cab with Plexiglass windows and a
lockable door is available as an option. The cab
door can be secured in the fully opened or closed
position. 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
Never operate the handler unless the
overhead guard is in place and in good
condition.
variations in operator size. The adjustment
release/lock lever is located beneath front edge of
seat. Wear seat belt at all times.
An optional windshield wiper is available for use
with enclosed cabs. An ON/OFF control switch is
located on the wiper motor.
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 variable speed heater fan is available for use with
units equipped with a heater. An ON/OFF/SPEED
CONTROL knob is located on the dashboard. Hot
water to the heater can be controlled by a valve at
the engine.
OPERATOR’S CAB
CONTROL AND INSTRUMENT IDENTIFICATION
* Items preceded by an asterisk are optional and may not be furnished on your handler.