Invacare® Storm®⁴ Series
The sling back is only available in two widths of 38-43 cm and
48-53 cm and, under certain circumstances, must be replaced
for a width adjustment. For a replacement description, see
the service instructions for this mobility device. The service
instructions can be ordered from Invacare. However, they
contain instructions for specially trained service technicians
and describe operations that are not intended for the end
user.
Note that if the sling back width is adjusted the backrest
cushion must also be replaced.
Tools:
•
5 mm Allen key
1.
Loosen and remove the backrest plate screw
A
.
2.
Loosen the backrest plate screws
B
.
Do not remove the screws!
3.
Move the backrest plate halves to the required width.
4.
Re-insert screw
A
.
5.
Re-tighten the screws.
5.7.6
Adjusting the backrest angle (Modulite seat
unit)
CAUTION!
Every change to the seat angle and the backrest
angle alters the geometry of the power
wheelchair and affects its dynamic stability
–
For more information on stability, overcoming
obstacles correctly, driving along inclines and slopes
and the correct position of the backrest and seat
angles, see the section 6.5 Taking Obstacles, page 74
and Driving up and down gradients.
CAUTION!
Risk of falling out of the wheelchair
When adjusting the backrest, it might move backward
unexpectedly and you might fall out of the wheelchair.
–
Do not rest against the backrest while adjusting it.
If the backrest is fitted with knobs instead of Allen screws,
you do not need tools.
Width-adjustable backrest
Tools:
•
5 mm Allen key
44
1529686-R
Summary of Contents for Storm4 True Track Plus
Page 109: ...Notes...
