Komatsu D85EX-18 Operation & Maintenance Manual page 204

MACHINE OPERATIONS AND CONTROLS
The seat height can be adjusted by fully pressing down or pull-
ing up lever (2).
When it is adjusted to the desired position, you can release the
lever.
When raising, pull up the lever until it clicks.
If the lever is pulled up and held, the seat stops at the maxi-
mum height.
If the seat is raised to the maximum height, the suspension
lowers a little automatically to secure some stroke.
If you raise your hip or change the load on the seat during ad-
justment, the air in the suspension may be released.
Vertical adjustment range: 75 mm
Weight adjustment range: 60 to 150 kg
The suspension must be adjusted according to the operator's weight to protect the operator. For this purpose,
when adjusting, stop the machine and operate the lever while you are sitting in the correct position.
Pull up lever (2) a little. The suspension is adjusted to your weight automatically. (The air pressure in the sus-
pension increases or decreases according to your weight).
METHOD FOR ADJUSTING LUMBER SUPPORT
Turn the adjustment knob to the right or left, and give proper
tension to the waist part.
The back cushion tension is increased by turning the adjust-
ment knob to the right.
The tension of the back cushion can be adjusted to 5 steps. If
the adjustment knob is turned to right further after the 5th step,
the tension returns to the 1st step.
METHOD FOR ADJUSTING SEAT DIRECTION
You can change the direction of the seat to 12.5 ° on the right by pulling up the direction adjustment lever to
FREE position (F) and unlock it.
When using the ripper, the operator can work easily by directing the seat to the right.
1.
Pull up the direction adjustment lever to FREE position (F)
and unlock it.
The seat direction can be changed to 12.5 °.
2.
After changing the seat direction, return the lever to LOCK
position (L) securely.
3-150
OPERATION