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Komatsu WA270-3H User Manual

Komatsu WA270-3H
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2-38
Operation
ADJUSTING THE DRIVER'S SEAT (with pneumatic suspension)
Each time, a new driver wants to operate the machine, it is
necessary to re-adjust the driver's seat. Before starting
operation, you must check whether the seat is adjusted in such
a way that the braking pedal can be completely pushed down,
with your back touching the seat backrest. Proceed as follows
to appropriately adjust the seat:
NOTE
Adjust the seat and backrest so that the backrest does not knock
against the rear window or the wiper motor when swinging the
seat into position.
1. Adjusting the horizontal position
Raise the adjustment lever 1 and position seat as required.
Release the lever to lock the seat in the desired position.
2. Adjusting the height and angle of inclination
Raise the lever (2) and apply or remove pressure to the front
section of the seat cushion.
Push the lever (2) down and apply or remove pressure to the
rear section of the seat cushion.
3. Adjusting the backrest
Raise the lever (3) and move the backrest to the required
position by moving your body weight. Release the lever to lock
the backrest in the desired position.
4. Weight adjustment
The suspension system is adjusted to the driver's weight by
pushing button (4).
Heavier: Push button (4) up (+).
Lighter: Push button (4) down (-).
Ideal setting: central position of lift +/- 50 mm.
5. Adjusting the lumbar vertebra support
There is an upper and a lower air chamber in the backrest.
Button (5) left: air supply for lower chamber.
Button (5) right: air supply for upper chamber.
Button (5) up (+): air supply is increased.
Button (5) down (-): air supply is reduced.
NOTE
Lower seat carefully and check that the backrest does not knock
against the rear window or the wiper motor when swinging the
seat into position.
6. Armrest
The angle of the armrest can be continuously adjusted using
the knurled knobs (6). Lift the relevant armrest when sitting
down or leaving the driver's seat.

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Komatsu WA270-3H Specifications

General IconGeneral
BrandKomatsu
ModelWA270-3H
CategoryExcavators
LanguageEnglish

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