Komatsu ecot3 Operation And Maintenance Manual page 182

OPERATION OPERATION
(D) Adjusting armrest height
The height of armrest (5) can be adjusted up or down by changing
the position of adjustment bolt (6) at the rear of the armrest.
Armrest height adjustment: 33 mm (1.3 in)
(E) Overall fore-and-aft adjustment of seat
Move lever (7) to right, set to the desired position, then release the lever. In this case, the operator's seat, left and
right control levers, and lock lever all slide together.
Fore-and-aft adjustment: 180 mm (7.1 in) (9 stages)
(F) Adjusting suspension (if equipped)
Turn knob (8) to the right to make the suspension harder, or to the left to make the suspension softer. Adjust the
reading of the dial to match the operator's weight and select the optimum suspension.
REMARK
To obtain the optimum adjustment, turn the knob (8) so that the indicator of the weight display (kg) in the transparent
portion of knob (8) is the same as the operator's weight.
MACHINE OPERATIONS AND CONTROLS MACHINE OPERATIONS AND CONTROLS
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