Komatsu WA320-5H Operation & Maintenance Manual page 123

OPERATION
OPERATION
(D) Adjusting fore-and-aft position of seat cushion
Push in lever (4), set the seat cushion to the desired position, then release the lever.
Amount of adjustment: 60 mm (2.4 in)
(E) Setting seat for weight
Sit on the seat, raise your body slightly, then operate switch (5) to adjust the strength of the suspension.
Amount of adjustment: 50 - 130 kg (110 - 287 lb)(target)
When + is pressed: Suspension becomes stronger
When - is pressed: Suspension becomes weaker
(F) Adjusting reclining angle
Move lever (6) up and move the backrest to the front or rear.
Push your back against the backrest when carrying out this adjustment. If your back is not pressing against the
backrest, the backrest may suddenly spring forward.
Amount of adjustment: Front tilt: Free
Rear tilt: 40 degrees (2 degrees x 20 stages)
(G) Adjusting headrest angle (if equipped)
Rotate the headrest to the front or rear.
Amount of adjustment:
Front tilt: 13 degrees
Rear tilt: 13 degrees
(H) Adjusting headrest height (if equipped)
Move the headrest up or down.
Amount of adjustment: 80 mm (3.2 in)
(I) Adjusting armrest angle
Rotate the knob (7) and adjust the angle of the armrest. (Left side only)
Amount of adjustment: 73 degrees (front: 54 degrees; rear: 19 degrees)
If the arm rest is turned, it will spring up. (Both left and right sides)
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