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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
Mounting System (UMS). The UMS consists of universal
parts that may be attached to any medium-back or high-back
seat, regardless of seat width or seat depth. The two main
components 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 fi gure 7.
NOTE: If your power chair is equipped with a 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 fi gure 7.
2. Lower the front extrusion onto the front trapeze bar until
the seat locks into place.
3. Flip the seat latch safety down. See fi gure 7.
WARNING! Make sure the seat latch safety is
fl ipped down before using your power chair.
4. Install the controller and route the harness to the back of
the power base. See fi gure 8.
5. Loosen the rear shroud fasteners and remove the rear
shroud. See fi gure 2.
6. Plug the controller connector into the power base. See
fi gure 3.
7. Reinstall the rear shroud and tighten the rear shroud
fasteners. See fi gure 2.
8. Route the controller harness so that it cannot be pinched
in the seat hinge.
MANDATORY! Prevent controller harness
damage! Use correct tie-down points
for controller harness. Avoid routing the
controller harness 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 getting caught in the drive tyres,
pinched in the seat frame, or damaged when
passing through doorways.
9. Secure the controller harness to the armrest receiver with
wire ties. See fi gure 9.
Figure 7. Universal Mounting System
Figure 8. Controller Routed on a Synergy Seat
REAR TRAPEZE
BAR
REAR LATCH
SAFETY
REAR
EXTRUSION