Special Adaptation Of Flex 3 Backrest; Tension Adjustable Backrest; Adjustment Height - Tension Adjustable Backrest; Width Adjustment - Tension Adjustable Backrest - Invacare Dahlia 30 Service Manual

Dahlia®30 / 45

3.2 Special adaptation of Flex 3 backrest

WARNING!
Safety risk
– All changes to the back are seen as a special adaptation
of the product. That means that the rules for special
adaptation are in force. All adaptations must be
documented and a risk asessment must be carried out.
The adaptor is responsible for the adaptions.
1. Remove the width adjustment plates.
2. Remove the screws on the front and remove the front and
back plates. The shaded areas indicates where drilling can be
done. Max. diameter of drill hole is 6 mm. Use washers with
the minimum 18 mm diameter beneath the nut on the inside
of the screws.
3. Return the parts, re-insert the screws and tighten them with
3,2 Nm.

3.3 Tension adjustable backrest

3.3.1 Adjustment height — tension adjustable
backrest
There are two ways of adjusting the height for the tension adjustable
backrest:
Height adjustment — alternative 1
You can easily adjust the tension adjustable backrest (max. +120 mm).
1. Loosen the four screws A as shown above.
2. Set at the required height.
3. Re-tighten the screws.
16
Height adjustment — alternative 2
A to D
An additional height adjustment can be made by mounting the
backrest attachment either in position A and C or in position B and
D on the backrest tubes, as shown in the picture above.
1. Remove the screws and the washers A, the long nut B, and the
backrest attachment C.
Support nut B, screws and washers A in order to prevent them
2.
from falling to the ground.
When the position of the backrest attachment C is changed,
3.
re-mount everything and tighten the screws.
3.3.2 Width adjustment — Tension adjustable
A
The tension adjustable backrest must be adapted and adjusted
according to the individual needs of the user. The following steps
guides you through the adjustment of the backrest.
Turning of the backrest tubes
The tension adjustable backrest is designed with different angles
as shown in picture A and B below. This allows for different
adjustments according to how the backrest is mounted. Position
A (the part of the backrest with the longer angle turned upwards)
A
B
C
D
Screws for alternative height adjustment
Tools: 5 mm Allen Key
C
A
B
A
Tools: 5 mm Allen Key
backrest
Risk of damage
Poor functionality on the backrest.
– Any adjustments made to the backrest should be
evaluated by trained personnel.
1572308-B