Hitachi EX1900-5 Operator's Manual page 84

Seat Fore-Aft Adjustment
Pull up and hold handle (3) to unlock the seat for the
seat fore-aft adjustment.
With handle (3) pulled up and held, slide the seat to
the desired distance from the control levers. 17 posi-
tions at 10 mm (0.4 in) intervals (160 mm (6.3 in)
range) are provided for the seat fore-aft adjustment.
Weight (Suspension) Adjustment
Turn knob (4) until the needle in the transparent part
on knob (4) indicates your own weight in "kg".
Turn knob (4) counterclockwise to decrease the
weight indication.
Turn knob (4) clockwise to increase the weight indica-
tion.
Armrest Adjustment
Armrest (5) can be raised upright by hand.
Also, the armrest angle can be adjusted by turning
dial (6) located on the bottom of the armrest.
Positioning the armrest in front of the body:
•
Turn the dial counterclockwise to raise the armrest
angle.
•
Turn the dial clockwise to lower the armrest angle.
Headrest Adjustment
Headrest height and angle can be adjusted.
Pull headrest (7) upward or push downward to the de-
sired position. (Height adjustment range: 50 mm (2.0
in))
Headrest (7) can be adjusted 60 degrees forward
from the upright position. Move headrest by hands to
the desired angle.
Lumbar Support
A lumbar support mechanism is installed in the back-
rest.
The lumbar support force can be adjusted in six
steps.
The furthest-clockwise-turned position of knob (8) is
the standard position.
Turn knob (8) counterclockwise (the arrow-indicated
direction) to increase the lumbar support force.
Console/Seat Unit Fore-Aft Adjustment
Pull lever (9) up to adjust both right and left consoles
and the seat as an integral unit in fore-aft directions.
Release the lever to lock the unit into position. The
fore-aft adjustment range of the unit is 120 mm (4.7
in) with steps every 20 mm (0.8 in).
OPERATOR'S STATION
1-42
6
5
9
4
3
M117-01-030
M117-01-029
7
8
M117-01-012
M117-01-030