Komatsu D37EX-24 Operation & Maintenance Manual page 202

MACHINE OPERATIONS AND CONTROLS
Press the adjustment switch to give proper tension to the waist
part.
Press (+) side: Tension of backrest increases.
Press (-) side: Tension of backrest decreases.
Adjust the curve of backrest to your desired shape.
METHOD FOR ADJUSTING DAMPER
Turn the adjustment knob to adjust the hardness of damper to
the desired level.
Turn to direction (L): Damper is hardened.
Turn to direction (R): Damper is softened.
METHOD FOR ADJUSTING MIRRORS
Be sure to adjust the mirrors before starting work.
If they are not adjusted properly, you cannot secure the visibility and may be injured or may lead to a
serious personal injury or death.
Adjust the mirror by moving it.
Adjust the mirror to a position which gives the best view of the
blind spot from the operator's seat.
In particular, be sure to adjust the mirror so that people at the
rear left or right of the machine can be seen clearly.
METHOD FOR ADJUSTING ARMREST
The R.H. and L.H. armrests of the operator's seat can be adjusted in height in 3 levels. After adjusting the oper-
ator's seat, adjust them to proper height.
3-144
k k
WARNING
OPERATION