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5.11 DRIVE SET REPLACEMENT
NOTE: BEFORE REMOVING THE BRAKE SET, BLOCK THE STAIRS FROM ROTATING (PLACE A BLOCK UNDER THE BOTTOM STAIR)
TO PREVENT INJURY.
1) Turn off power and disconnect the cord from the machine.
2) Remove the service cover and side cover as outlined in Section 5.1 & 5.2.
3) Turn the brake lever to the right to lock the stairs (Figure A) to prevent movement that could cause injury.
4) Disconnect the speed sensor wire, a ECB wire, and a brake wire. (Figure B).
5) Remove the 3 screws that connect the top cover to the drive set and remove it (Figure C & D).
6) Loosen the belt tension bolt on the left side of the tension pulley and rotate the pulley counter-clockwise until there is enough slack in the
belt to remove it (Figures E & F).
FIGURE A
FIGURE B
FIGURE DFIGURE C
CHAPTER 5: PART REPLACEMENT GUIDE
FIGURE FFIGURE E
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