Service manual

4. Remove the two screws that hold the configuration plate to the
headframe; the screws are located below the plate. Move the
plate out of the way.
A IMPORTANT: In the following steps, note the connection
points and the colors of the wires as you remove them from the
VSD board. All of the wires are harnessed. Cut the plastic ties to
free the wires as necessary. Reference wiring schematic.
5. Unplug the grade motor wires from the VSD board.
6. Unplug the isolation transformer wires.
7. Unplug the non-isolated transformer wires.
8. Unplug the grade potentiometer wires. Clip the plastic ties
around the cage only, not around the headframe.
9. Unplug the limit switch wires.
10. Unplug the drive motor wires.
11. Unplug the configuration plate wires.
12. Remove the two Phillips screws that hold the switch module
plate to the headframe and remove the plate.
13. Remove the four Phillips screws holding the card cage.
14. Remove the VSD/card cage assembly and return it to Quinton.
15. Replace the sil pad for the switching module before installing
the new card cage.
16. Reassemble in reverse order.
Use caution when reassembling the hold-down plate for the switching
module. Alternate torquing the screws just until the split lock washer is
compressed. Over-torquing the screws will damage the module.
Field Functional Test
To verify that the treadmill is operating properly, perform Field
Test No. 2. See Appendix D, Field Functional Tests for specific
instructions.
VSD Module
32963-001 Mounting Plate
33174-002 Sil Pad Insulator
10827-212 Screw 10-24x0.50
10511-007 Split Ring
01164-003 Flat Washer
Qty
VSD Module Hardware
1
1
2
2
2
Repair/Replacement and Calibration 4-8