Pull up the fore-and-aft adjustment lever, set the seat cushion
to the desired position, then release the fore-and-aft adjust-
ment lever.
Fore-aft adjustment range: 60 mm
If the seat backlash is found, ask your Komatsu distributor for
adjustment.
METHOD FOR ADJUSTING HEADREST ANGLE
Move the headrest back and forth to set it to the desired angle.
Adjustment amount: 30 °
METHOD FOR ADJUSTING HEADREST IN VERTICAL DIRECTION
Move the headrest up or down to the desired height.
Adjustment amount: 108 mm
METHOD FOR ADJUSTING LUMBAR SUPPORT
Turn the lumbar support adjustment knob to the right or left,
and give proper tension to the waist part.
METHOD FOR ADJUSTING AIR LUMBAR SUPPORT
(if equipped)
NOTICE
Avoid operating the air lumbar support continuously for 1 minute or longer since such practice can
damage the air compressor.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-184
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