Cardiac Stress Treadmills Service Manual Repair/Replacement and Calibration 4-15
2. Verify that the pin has engaged by pulling lightly on the wire.
3. If no other service is required, replace the treadmill hood as described
in step 9 on page 4-3.
Removing the Rack Gears
1. If the treadmill will change grade, set the grade to 12% (6-7°).
2. Lower the front of the headframe onto 6-inch wooden blocks to take
the weight off the wheels.
3. Remove the treadmill hood and power as described in “Removing the
Treadmill Hood” on page 4-3.
♦ If the rack gear is jammed (no play in it), replace as described
on page 4-17.
4. Restore power to the treadmill, connect it to the stress monitor
system, and decrease the grade until the wheels are approximately
half inch above the floor.
Color TM/ST 66 TM/ST55
Red wire: Slot 5 Slot 5
Black wire: Slot 4 Slot 4
Brown or white wire: Slot 3 Slot 3
Blue wire Slots 1 & 2 No blue wire
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