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22 www.quantumrehab.com Quantum 600 Series
IV. ASSEMBLY
Seat Installation
It may be necessary to install the seat either prior to initial
operation or after transporting your power chair. Most seats
are attached to the power base with the Universal Mount-
ing System (UMS). The UMS consists of universal parts
that may be attached to the seat, regardless of seat width or
seat depth. The two main components are aluminum extru-
sions mounted to the seat base. These extrusions attach to
a pair of trapeze bars that are mounted to the power base.
See figure 11.
NOTE: If your power chair is equipped with a Spe-
cialty Seat, Synergy Seat, or a TRU-Balance Power
Positioning System, refer to the information provided
in separate manuals.
WARNING! Do not pick up the seat frame
by the armrests. They are free to pivot,
and you may lose control of the seat if
they do so.
To install the seat:
1. Tilt the seat back and slide the rear extrusion onto the
rear trapeze bar. See figure 11.
2. Lower the front extrusion onto the power seat base or
front trapeze bar until the seat locks into place.
3. Flip the seat latch safety down.
WARNING! Make sure the seat latch
safety is flipped down before using your
power chair.
4. Install the controller into the mounting block or under
the armrest. See figure 15 or 16. Tighten the setscrew(s).
5. Turn the rear shroud fasteners counterclockwise one-
quarter turn to loosen. See figure 6.
6. Remove the rear shroud.
7. Plug the controller connector(s) into the power base.
See figure 7.
8. Reinstall the rear shroud. Turn the rear shroud fasteners
clockwise one-quarter turn to tighten.
9. Route the controller cable so that it cannot be pinched
in the seat hinge.
10. Secure the controller cable to the armrest receiver with
one or more wire ties.
Figure 11. Universal Mounting System (Shown Without
Armrests for Clarity)
SEAT LATCH SAFETY
REAR EXTRUSION
FRONT EXTRUSION
TRAPEZE BARS