DYNO
User Manual
Page 17
4.12 Tray or Grab Bar Use
1. To install tray or grab bar, swing left and right cam locks
downward. Reference Figure 17.
2. Slide tray or grab bar into receivers to desired depth.
3. Swing left and right tray cams upward to lock in place.
Reference Figure 18.
Figure 17
Figure 18
4.13 Changing Activator Dynamic Springs
For Chairs Equipped with Activator Dynamic Seating Option.
Resistance of Dynamic back can be changed by installing
light, medium, or hard springs. If the child is able to rest
with the back extended beyond a 90 degree hip angle, then
harder springs are needed.
1. Remove upper nut and washer, Reference Figure 19.
4mm hex wrench & 10mm wrench required. Be careful
not to lose inner spacers.
2. Unhook spring eyelet from bolt and slide plate forward to
access lower bolt head on backside of plate, Reference
Figure 20. Remove Lower nut and washer.
3. Remove current springs, be careful not to lose inner
spacers.
4. Install different weight springs.
5. Reinstall lower washer and nut. Tighten, then back off 1/4
turn.
6. Hook spring eyelet over upper bolt. Reinstall washer and
nut. Tighten, then back off 1/4 turn.
Figure 19
Figure 20