4-14 Repair/Replacement and Calibration
MedTrack CR60 Rehabilitation Treadmill Service Manual
4. Remove the nut that holds the grade pot to the bracket.
5. Clip the cable ties and unplug the cable for the drive board.
6. Replace with new potentiometer, then reassemble following steps 2
through 5 in reverse order. See “Grade Pot Wires” below.
7. Tighten the nut to 20 inch-pounds torque.
8. Calibrate the grade pot as described on page 4-28.
9. If no other service is required, replace the treadmill hood as described
in step 10, page 4-5.
Grade Pot Wires
At the end of each grade pot wire is a pin with a small metal flange. The
flange has a corresponding slot on the connector housing.
1. Insert each pin into the connector housing until it clicks slightly. The
flanges will be visible through the slots in the housing.
2. Verify that the pin has engaged by pulling lightly on the wire.
Wire Color
Slot
Red
4
Black
5
Grade POT Bracket
(Step 3)
Spur Gear
Grade POT
Nut (Step 4)
(Step 2)
Setscrew
10-32 x 0.25L
(W3, BLK)
(W1, RED)
(W2, WHT)
X-END
Y-END