Adjustment - Komatsu WA320-5H Operation & Maintenance Manual

OPERATION

ADJUSTMENT

SEAT ADJUSTMENT
When adjusting the position of the operator's seat, always set the safety lock lever to the LOCK position to
prevent any accidental contact to the control levers.
q Always adjust the operator's seat before starting each operation or when the operators change shift.
q When adjusting the seat, put your back against the backrest and adjust to a position where the brake pedal
can be fully depressed.
q When pulling up levers (2) and (3), be careful not to pull up the switch box at the front by mistake.
NOTICE
There is danger that the switch box may be damaged.
q When the left armrest is at the raised position, do not push down on the tip of the armrest with your
hand to support your weight. There is danger that the armrest mount may be damaged.
Adjustments (E), (J), and (K) use the air compressor built into the seat, so turn the engine starting switch to the ON
position when carrying out the adjustment.
(A) Fore-and-aft adjustment
Pull lever (1) up, set the seat to the desired position, then
release the lever.
Amount of adjustment: 180 mm (7.1 in)
(10 mm (0.4 in) x 18 stages)
(B) Adjusting seat angle
Move lever (2) up and apply your weight to the rear of the seat.
The seat will tilt to the rear.
Move lever (3) up and apply your weight to the front of the seat.
The seat will tilt to the front.
Amount of adjustment: 24 degrees (front and rear tilt: 3 stages
each)
(C) Adjusting height of seat
Move levers (2) and (3) up and move the seat up or down to
the desired position.
These levers are also used for adjusting the seat angle, so
adjust the seat angle to set the seat to the desired height.
Amount of adjustment: 65 mm (2.6 in)
WARNING
OPERATION
3
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