6
Assembly Instruction
1
2
3
4
5
G
G
C
B
A
H
H
E
D
S
T
E
L
L
A
Models
638 TQ A63 BB /
637 TQ A63 BB /
636 TQ A63 BB
Seat Height
Flip up lever on right-side to raise or lower seat. Adjust such that
your feet are adequately supported on floor.
A
Backrest Height
Hold backrest by both sides and pull up to desired height. To lower
backrest, pull it to maximum height and then, return to lowest
height to start again. Adjust height so that the backrest curvature
follows the curve of your back.
C
Backrest Angle
Flip up lever to unlock backrest.
flip down lever to lock.
Recline to desired position, and
B
Armrest Height
D
User instructions
Press the button and raise or lower the armrest. Adjust height to
adequately support elbows to take strain off shoulders.
Armrest Width
E
Turn bottom knob clockwise to loosen the armrest and adjust
inwards or outwards to suit shoulder width.
F
Tilt Tension Control
Turn bottom knob clockwise to provide a stronger tilt tension, and
vice-versa. Adjust such that minimum effort is required to push
back when recline.
Tilt Lock
First, ensure backrest angle is locked by flipping down lever.
Recline to desired angle, and flip down lever to lock. Flip up lever
to release tilt-lock.
F
E
Seat Angle
First, ensure lever is unlocked (flipped up). Tilt the seat
backward then push the lever to front to set the seat angle as
normal. To set the seat angle forward, just tilt the seat a little bit
backward then pull the lever backward. For high mobility task,
is recommend to adjust the seat tilt forward.
F
