Drive Belt Replacement; Ecb Replacement - Matrix C7xi-03 Service Manual

CHAPTER 9: PART REPlACEmENT gUidE

9.15 dRiVE bElT REPlACEmENT

1) Turn off power and disconnect the cord from the machine.
2) Remove the drive set as outlined in Section 9.10.
3) Loosen the belt tension nut (Figure A) and screw (Figure B) until there is enough slack in the drive belt to remove it (Figure C).
4) Use a straight edge to make sure that the pulley and encoder pulley are in a straight line (Figure D). If the belt is not on line, try to adjust the
pulley and encoder pulley. The belt is flexonic, so belt tension is not critical.
figURE A
figURE C
5) Reverse Steps 1-4 to install a new drive belt. note: Torque the screw removed in Step 3 to 60 N-m.
6) Test the Climb Mill for function as outlined in Section 9.23.
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figURE b
figURE d
CHAPTER 9: PART REPlACEmENT gUidE

9.16 ECb REPlACEmENT

1) Turn off power and disconnect the cord from the machine.
2) Follow the steps outlined in Section 8.4 to test the new ECB before installing it.
3) Remove the drive set as outlined in Section 9.10.
4) Disconnect the brake and both fan wire connections (Figure A). note: Before removing the brake and fan plate, block the stairs from
rotating (place a block under the bottom stair) to prevent injury.
5) Remove the 4 screws holding the brake and fan plate to the drive set (Figure B) and remove the assembly.
figURE A
6) Remove the cable ties holding the ECB wiring to the drive set (Figure C).
7) Loosen 2 screws to remove the nut standoffs off the ECB (Figure D).
figURE C
figURE b
figURE d
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