4-4
Twist Owner’s Manual
OM_TWIST_0811RevA
CHAPTER 4: BACKRESTS And PUSH HAndLES
4. Remove the two Allen screws (one on each side of the chair) and remove the backrest. See Figure 4-6.
5. Install the new backrest and securely tighten the two Allen screws.
6. Install the backrest sleeves in the new backrest.
7. Reinstall the backrest posts.
8. Reinstall the backrest upholstery.
Figure 4-5
Replacing the Backrest
Allen
Screw
Allen
Screw
Backrest
Sleeves
Backrest
Posts
Backrest
Adjusting the Depth
Tools Needed:
• 7/16” Open End Wrench
• 5/32” Allen Wrench
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 4-6.
2. Reposition the back mounts to the desired depth.
3. Reinstall the four Allen screws through the back mount, seat tube, saddles and washers and securely tighten the
nylock nuts.
Note:
If your chair has Swing Away Armrests (see Figure 4-7), you may need to use the longer screws 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
of the backrest, you must consider whether additional changes need to be made to compensate for the modified
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.
Summary of Contents for Twist
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