Invacare Storm 4 Series Service Manual page 96

Invacare® Storm⁴ Series
Installing and Adjusting the Universal Backrest Frame
CAUTION!
The upholstery may get damaged.
When adjusting the backrest frame, make sure the upholstery cannot collide with other components.
1. Position both of protective caps (8) in lower ends of
lateral tubes (1).
2. Mark center of middle tube (2) with piece of adhesive
tape.
3. Insert middle tube into upper ends of lateral tubes.
4. Position lateral tubes of EasyAdapt backrest so that
four Allen screws (7) can be screwed into slot nuts (6)
through oblong holes. Tighten Allen screws just tight
enough that lateral tubes can slide and be adjusted
without difficulty.
5. Adjust distance between lateral tubes to desired value
using measuring tape. Make sure both lateral tubes
are at an equal distance to center of seat.
6. Tighten four Allen screws (7).
7. Adjust middle tube (2) so it is well centered.
8. Screw both of threaded pins (5) into threaded holes (3).
9. Secure threaded pins additionally with counter nuts
(4). Tighten counter nuts finger-tight.
10. Screw four Phillips screws (9) into drill holes provided
for this purpose on backs of tubes. Screws serve as
limiters and prevent backrest from sliding down too far.
11. Remove marking from middle tube.
12. Refit all parts you have removed.
13. Test all functions.
96
Fig. 6-130
1533060-N