7-5
ZRA_Aero Z Owner’s Manual
OM_ZRA_Aero Z_0913RevA
CHAPTER 7:
BACK UPHOLSTERY, SEAT UPHOLSTERY AND SEAT
CUSHIONS
5. Retighten the Allen screws that attach the seat upholstery to the frame.
6. Reattach the back upholstery to the seat upholstery and replace the seat cushion.
Allen
Screws
Adjustment
Flap
Figure 7-7
Adjusting/Replacing
Bolt-On
Seat Sling
Replacing the Upholstery
Tools required:
• 1/8” Allen Wrench
1. Remove the seat cushion.
2. Detach the back upholstery from the seat upholstery (see “Velcro
®
-Style Adjustable Back Upholstery” on page 7-1
or “Tension Adjustable by Straps Back Upholstery” on pages 7-2 to 7-3).
3. Remove all bolts that attach the seat upholstery to the chair frame. See Figure 7-7.
4. Remove the Bolt-On Seat Sling.
5. If your replacement upholstery included new aluminum seat rails, proceed to Step 6. If not, remove the aluminum
seat rails from old upholstery and insert them into the new upholstery.
6. Place the new seat upholstery on the frame and align the fastening holes in the upholstery and aluminum seat
rails with the holes in the seat tubes of the frame.
7. Loosely install all the bolts on the side of the seat sling where the adjustment flap is located.
8. Install all the bolts on the opposite side of the seat sling and securely tighten.
9. Detach the adjustment flap and adjust the seat upholstery to the desired tension.
10. Fully tighten the bolts that attach the seat upholstery to the frame.
11. Reattach the bottom of the back upholstery to the seat upholstery and replace the seat cushion.
Seat Cushions
Replacing the Foam Insert in the TiLite Seat Cushion
1. Lift up and remove the existing seat cushion from the seat upholstery.
2. Unzip the seat cushion cover and remove the foam insert.
3. Insert the new foam insert into the seat cushion cover.
4. Close the seat cushion cover and replace on the chair.
For seat cushions manufactured by manufacturers other than TiLite (
e.g. Corbee, StimuLite, Roho, Varilite), consult
the owner’s manual provided by the applicable manufacturer.