4-1
ZRA_Aero Z Owner’s Manual
OM_ZRA_Aero Z_0913RevA
CHAPTER 4: BACKRESTS And PUSH HAndLES
Folding Adjustable Height & Angle Backrest
(Titanium or Aluminum)
Note:
The Aluminum Adjustable Height & Angle Backrest without Integrated Push Handles is standard on all
wheelchairs. The Titanium Adjustable Height & Angle Backrest is available as an option on all chairs. Integrated
Push Handles are available as an option with either the titanium or aluminum backrest. The instructions in this section
apply to all of these variations.
I
WARNING
Before using your wheelchair, make sure the Folding Adjustable Height & Angle Backrest is locked 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.
Folding the Backrest
1. Grasp the TiShaft Release Bar and pull up. See
Figure 4-1.
2. Push the backrest forward toward the front of the chair.
Note:
If you have a Lock-Down Backrest, make sure the
backrest is locked securely in the folded position.
Unfolding the Backrest
1. Lift up on the backrest and pull towards the rear of the
chair.
2. Make sure the backrest locks securely into place.
Unfolding the Lock-Down Backrest
1. Push up the TiShaft Release Bar and pull the backrest
towards the rear of the chair.
2. Make sure the backrest locks securely into place.
Adjusting the Backrest Mount
Tools Needed:
• Two 7/16” Open End Wrenches
If your backrest is difficult to fold and unfold or is too loose,
follow these procedures:
1. Using an Open End wrench, hold the pivot bolt in place
and slightly loosen or tighten the nylock nut with the
second Open End wrench. See Figure 4-2.
2. Repeat the procedure on each side of the chair until the
desired tightness is achieved.
Figure 4-1
Folding Adjustable Backrest with TiShaft Release Bar
TiShaft
Release Bar
Backrest
Figure 4-2
Adjusting the Backrest Mount
Nylock Nut
Pivot Bolt