Komatsu D85EX-18 Operation & Maintenance Manual page 201

OPERATION
METHOD FOR ADJUSTING WEIGHT AND HEIGHT OF SEAT
Pull out the crank of knob (1) under the seat and turn it so that
weight indicator (2) reads the green range. You can adjust the
height by turning knob (1) in the green range.
X: When crank is stored
Y: When crank is pulled out (for adjusting weight)
1.
Adjust the weight according to the following procedure.
1)
While the seat is moved backward, turn knob (1) to
adjust.
Weight adjustment range: 60 to 150 kg
2)
After adjusting the weight, return the crank of knob (1).
2.
Adjust the height by turning knob (1) in the green range.
The seat height is increased by turning the knob clockwise
(R), seeing from the seated position, and decreased by
turning the knob counterclockwise (L).
Vertical adjustment range: Steplessly 75 mm
3.
After adjusting the weight and height, readjust the seat to
the best position in the forward and backward directions.
METHOD FOR ADJUSTING LUMBER SUPPORT
Turn the adjustment knob to the right or left, and give proper
tension to the waist part.
The back cushion tension is increased by turning the adjust-
ment knob to the right.
The tension of the back cushion can be adjusted to 5 steps. If
the adjustment knob is turned to right further after the 5th step,
the tension returns to the 1st step.
MACHINE OPERATIONS AND CONTROLS
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