MedTrack CR60 Rehabilitation Treadmill Service Manual
Theory of Operation 2-2
drives the walking belt. A DC motor drives the front of the treadmill up
and down to simulate hills. The drive motor supplies torque and speed to
the drive pulley through a drive belt.
Deck and Roller Assembly
The deck and roller assembly is attached to the headframe and supports
the rear of the treadmill. It provides the platform for the walking belt. The
drive belt supplies torque to the walking belt through the drive roller
pulley.
Controller Assembly
The controller assembly consists of a key panel and PCBA mounted in an
enclosure. The enclosure, which has a removable rear panel, mounts to
the uprights.
Controller Subassemblies
Key Panel
The key panel assembly consists of a membrane key or switch panel and a
PCBA. The key panel and PCBA are connected through a flexible cable
that is part of the key panel. A key panel connector mates to a PCBA
connector.
User Inputs
The user enters all control commands through the key panel. The
controller scans the membrane switches on the key panel. The controller
PCBA interprets switch closure, updates the displayed values, and sends
control commands to the drive board.