Komatsu H75051 Operation & Maintenance Manual page 230

MACHINE OPERATIONS AND CONTROLS OPERATION
METHOD FOR ADJUSTING HEADREST IN VERTICAL DIRECTION
Move the headrest up or down to the desired height.
Adjustment amount: 127 mm
METHOD FOR ADJUSTING ARMREST ANGLE
Turn the knob to adjust the armrest angle.
Amount of adjustment: 35 ° (Forward tilt 12 °, backward tilt
23 °)
REMARK
You can flip up the armrest.
METHOD FOR ADJUSTING LUMBAR SUPPORT
Turn the knob to the right or left, and give proper tension to the
waist part.
METHOD FOR ADJUSTING SUSPENSION DAMPER HARDNESS
By operating the knob, the damping force of the suspension damper can be adjusted.
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