Komatsu H75051 Operation & Maintenance Manual page 229

OPERATION MACHINE OPERATIONS AND CONTROLS
NOTICE
Do not operate the switch continuously for 1 minute or longer. Doing so can damage the air compres-
sor.
The seat height is adjusted pneumatically and in stepless.
Adjust the suspension strength and seat height by pressing the
switch.
Press left side (A) of switch: RAISE
Press right side (B) of switch: LOWER
Release the switch at desired height of the seat.
Adjustment amount: 152 mm
REMARK
When the seat is low or when the machine has not been used
for a while, it takes time to raise the seat to desired height,
since no air is in the suspension.
You can adjust the seat to desired height more quickly by
pressing the switch while reducing the load on the seat.
METHOD FOR ADJUSTING SEAT CUSHION IN FORE-AFTER DIRECTION
Operate the lever upward, set the seat cushion to the desired
position, then release the lever.
Fore-aft adjustment: 60 mm
METHOD FOR ADJUSTING HEADREST ANGLE
Move the headrest back and forth to set it to the desired angle.
Adjustment amount: 30 °
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