Komatsu PC290LC-11 Operation & Maintenance Manual page 225

OPERATION
METHOD FOR ADJUSTING SEAT IN FORE-AND-AFT DIRECTION
Pull up the fore-aft adjustment lever, set the seat to the desired
position, then release the lever.
Fore-and-aft adjustment: 160 mm (16 stages)
METHOD FOR RECLINING SEAT
The reclining of the seat becomes large when the seat is moved forward, and it becomes smaller as the seat is
moved backward. When moving the seat backward, return the reclined seat back to the original position.
Pull up the reclining adjustment lever and set the seat back to a
position which is comfortable for operation, then release the
lever.
REMARK
Sit with your back against the backrest when adjusting. If your
back is not touching the backrest, the backrest may suddenly
move forward.
METHOD FOR TILTING SEAT
Pull up the tilt adjustment lever and adjust the front angle of the seat.
• To raise the front of the seat, apply your weight to the rear
of the seat, while pulling up lever.
• To lower the front of the seat, apply your weight to the front
of the seat, while pulling up lever.
Tilt adjustment: Up 5 ゜, down 5 ゜ (3 stages)
METHOD FOR ADJUSTING SEAT HEIGHT
Pull up the height adjustment lever (1) to move the seat back-
ward (A), then turn handle (2) to adjust the height.
Height adjustment: 75 mm
MACHINE OPERATIONS AND CONTROLS
3-153