Komatsu WA480-8, Operation & Maintenance Manual

Page: 238 / 440

METHOD FOR ADJUSTING SEAT UNIT IN FORE-AND-AFT DIRECTION
Operate the lever upward, set the seat to the desired position,
and then release the lever.
Fore-and-aft adjustment: 152.4 mm (12.7 mm x 12 stages)
METHOD FOR RECLINING SEAT
NOTICE
If the backrest is reclined too far, the headrest or seat belt anchor (when the 3-point seat belt (optional)
is installed) may contact the rear window glass, so move it to a position where it does not contact the
window glass.
1.
Pull the lever upward, and move the backrest forward or
backward.
Sit with your back against the backrest when adjusting. If
your back is not on the backrest, it may suddenly return to
the original position.
Adjustment amount
Forward tilt: 21 °(any degree is acceptable if it is greater
than 21 °.)
Backward tilt: 33 °
2.
After adjusting, release the lever.
METHOD FOR TILTING SEAT
Pull the lever up and move the front side of the seat cushion up
and down to the desired position, then release the lever.
Adjustment amount
Forward tilt: 5 °
Backward tilt: 5 °
METHOD FOR ADJUSTING WEIGHT AND HEIGHT OF SEAT
Turn the engine starting switch to ON position when performing adjustments since the air compressor built in the
seat is used for this adjustment.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-170