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18 www.pridemobility.com Quantum 1103 Ultra
III. YOUR POWER CHAIR
Figure 6. The Quantum 1103 Ultra Power Base
Electrical Components
The electrical components are located on the power base. The main circuit breaker is located on the front of the
battery tray. The controller connector and the motor connectors are located on the power module, inside the power
base. See figure 7.
Main Circuit Breaker: The main circuit breaker is a safety feature built into your power chair. When the batteries
and the motors are heavily strained (e.g., from excessive loads), the main circuit breaker trips to prevent damage
to the motors and the electronics. If the circuit trips, allow your power chair to “rest” for approximately one
minute. Next, push in the circuit breaker button, turn on the controller, and continue normal operation. If the main
circuit breaker continues to trip repeatedly, contact your Quantum Rehab Provider.
REAR TRAPEZE BAR
FRONT TRAPEZE BAR
MANUAL FREEWHEEL LEVER
MOTOR BRAKE ASSEMBLY
ARTICULATING BEAM
REAR SHROUD FASTENER
RETAINING CLIPS
RETAINING CLIPS