1-5
Z Series 2_Supplement Z2SUPP_0211RevB
CHAPTER 1: BACKRESTS
FOLDING ADJUSTABLE DEPTH, HEIGHT & ANGLE BACKREST (Titanium or Aluminum)
(Aero Z Series 2 and ZRA Series 2)
I WARNING
Before using your wheelchair, make sure the Folding Adjustable Depth, Height and Angle Backrest is securely in
place in the upright position and all mounting hardware is securely tightened.
If you ignore this Warning, you may fall,
tip over or lose control of the wheelchair and seriously injure yourself or others or damage the wheelchair.
Adjusting the Depth
Tools Needed:
• 7/16”OpenEndWrench
• 5/32”AllenWrench
1. Remove the four Allen Screws (two on each side) that secure the back mount to the seat tube. Note the order of
the saddles, washers and nylock nuts. See Figure 1-7.
2. Reposition the back mounts to the desired depth.
3. Reinstall the four Allen Screws through the back mount, seat tube, saddles, washers and securely tighten the
nylock nuts.
Note: If your chair has swing away armrests. See Figure 1-8. You may need to use the longer screw provided with
your chair in order to secure both the back mount and the armrest receiver.
I WARNING
Any changes to the depth of the backrest will affect the stability (
i.e.
center of gravity) of the chair. Use extreme
caution when using a new backrest depth as it may make the chair more prone to tip over. After adjusting the depth
ofthebackrest,youmustconsiderwhetheradditionalchangesneedtobemadetocompensateforthemodied
stability of the chair (
e.g.
, changing the rear axle position, backrest angle, rear seat height).
If you ignore this
Warning, your chair may not perform properly, which in turn, may cause you to fall, tip over or lose control of the chair
and seriously injure yourself or others or damage the chair.
Figure 1-6
Replacing the Backrest
Allen
Screw
