Service manual

C762, C764, C764i Stairclimber
Page 74
Procedure 7.17 - Replacing An Idler Pulley
Removing the Idler Pulley
If you are removing only one idler pulley, remove only one cover. It is not necessary to remove
both covers unless you are removing both idler pulleys.
1. Remove the cover necessary to access the idler pulley you are removing as described in
Procedure 7.1.
WARNING
Before continuing with this procedure, review the Warning and Caution statements listed in
Section One, Things You Should Know.
2. Press down the stairarm with one hand. With your other hand, grasp and pull the end of the
stairarm belt connected to the return spring. Release the stair arm. Remove the belt from
the pulley and belt idler (refer back to Diagram 7.10).
3. Remove the retaining ring from the idler pulley (refer back to Diagram 7.15).
4. Slide the idler pulley and wave washer from the idler shaft weldment.
5. If you are replacing only one idler pulley...
THEN... OTHERWISE...
Continue with the next step. Repeat Steps 2 through 4 for the
second idler pulley; then continue with the
next step.
Replacing the Idler Pulley
6. Visually inspect the wave washer removed in Step 4 for wear or damage.
7. If the visual inspection indicates no wear or damage...
THEN... OTHERWISE...
Use the original washer when you Replace the washer with a new washer
perform the next step. when you perform the following step.
8. Slide the wave washer and idler pulley onto the idler shaft weldment.
9. Using the snap ring pliers, install the retaining ring next to the idler pulley.