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Quantum 600 Series www.pridemobility.com 23
SEAT LATCH SAFETY
WIRE TIES
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 Uni-
versal Mounting System (UMS). The UMS consists of
universal parts that may be attached to the seat, regard-
less of seat width or seat depth. The two main compo-
nents are aluminum extrusions 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 18 or 19. Tighten the
setscrew(s).
5. Route the controller harness so that it cannot be
pinched in the seat hinge.
MANDATORY! Prevent controller harness
damage! Avoid routing the controller har-
ness on the outside of the armrest pad.
Route the harness under the armrest or
toward the inside of the armrest pad. Use
correct tie-down points for the controller
harness to prevent the harness from get-
ting caught in the drive tires, pinched in
the seat frame, or damaged when passing
through doorways.
6. Gently push down and pull backward at the harness
access point on the rear shroud until it releases. See
figure 12.
7. Remove the rear shroud.
8. Plug the controller connector(s) into the power
base. See figure 7.
9. Reinstall the rear shroud by aligning the side and back
tabs with the holes in the main shroud. Gently push
down and forward until all four tabs lock into place.
10. Secure the controller harness to the armrest
receiver with one or more wire ties. See figure 13.
Figure 11. Universal Mounting System (Shown Without
Armrests for Clarity)
FRONT EXTRUSION
TRAPEZE BARS
Figure 12. Rear Shroud Assembly
Figure 13. Controller Harness Routing on a Contour
Seat
HARNESS
ACCESS POINT
REAR EXTRUSION