Service manual

C762, C764, C764i Stairclimber
Page 78
8. Thread a nut onto the longer side of the disk shaft. Using one of the 17mm open-end
wrenches, hold the inner nut on the disk assembly. Using the second 17mm
open-end wrench, tighten the outer nut that secures the disk assembly to the disk brackets.
Repeat this step for the second side of the disk shaft.
9. Place the 0.030" feeler gauge between an inner nut and the disk assembly.
10. Choose one:
IF... THEN...
The .030 feeler gauge fits snugly Skip to Step 15
The .030 feeler gauge does not fit snugly Continue with the next step
in the gap between the inner nut and
disk assembly
11. Remove the disk assembly from the climber as described in Steps 4 and 5. Set the disk
assembly on a work bench or table.
12. Using the 17mm open-end wrench, loosen one of the inner nuts on the disk assembly.
Place the .030 feeler gauge between the disk assembly and the inner nut.
13. Using the 17mm open-end wrench, tighten the inner nut you loosened in the previous step.
Remove the .030 feeler gauge from the disk assembly.
14. Install the disk assembly on the climber as described in Steps 6 through 8.
15. Stand at the back of the climber and face the disk assembly. The drive belt must be
positioned over the disk hub and behind the idler pulley (see Diagram 7.16). Line up the
drive belt in the center of the grooves on the disk hub.
16. Mount the drive belt on the sheave by performing the following substages:
a. Kneel on the right side of the climber and face the sheave.
b. Hold the drive belt between the 12 o'clock and 3 o'clock positions on the sheave rim.
c. Turn the sheave counterclockwise.
Note:
As you move the sheave, the belt will position itself on the rim.
d. Grasp the drive belt at the 4 o'clock position.
e. Turn the sheave counterclockwise to fully seat the belt on the sheave rim.
Note:
Make sure that the belt is on the sheave rim before you continue with this procedure.