Service manual

C762, C764, C764i Stairclimber
Page 54
Procedure 7.10 - Replacing the Lower and/or Upper Ribbon
Cables
Before you install a new ribbon cable, ensure that the ribbon cable is defective as described in
Procedure 6.1, Troubleshooting the Lower and Upper Ribbon Cables.
Removing the Lower Ribbon Cable
1. Turn off the climber with the circuit breaker, then unplug the power cord from the wall outlet.
WARNING
Before continuing with this procedure, review the Warning and Caution statements listed in
Section One, Things You Should Know.
2. Slide the enclosure collar up on the column.
3. Disconnect the lower ribbon cable from the upper ribbon cable (see Diagram 7.5).
4. Choose one:
IF... THEN...
You are replacing the upper ribbon Skip to Step 20
cable
You are replacing the lower ribbon Continue with the next step
cable
Note:
Take care not to damage the cables when you perform the next step.
5. Remove the screws that secure the power entry module to the climber frame. Pull the
module out of the climber.
6. Disconnect the lower ribbon cable from the lower PCA.
7. Loosen the fastener that secures the top of the left cover to the climber frame.
8. Remove the screws that secure the left cover to the climber frame. Set the left cover aside.
9. Remove the front and back cover enclosure strips from the climber.