Komatsu WA380-6 Operation & Maintenance Manual page 168

OPERATION
CHECK EMERGENCY EXIT
Operate the knob for opening and closing the emergency exit, and check that it works properly.
If any abnormality is found, please ask your Komatsu distributor to carry out inspection and repair.
ADJUSTMENT
SEAT ADJUSTMENT
When adjusting the position of the operator's seat, always set the work equipment lock lever to the LOCK position to prevent any
accidental contact with the control levers.
Always adjust the operator's seat before starting each operation or when the operators change shift.
When adjusting the seat, put your back against the backrest and adjust to a position where the brake pedal can
be fully depressed.
LUMBAR SUPPORT TYPE SEAT
NOTICE
When pulling up levers (2) and (3), be careful not to pull up the switch box at the front by mistake. There is danger that the
switch box may be damaged.
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
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