Service manual

C762, C764, C764i Stairclimber
Page 89
Procedure 7.21 - Replacing the Idler Spring or Drive Belt
Idler
Procedure
1. Remove the covers 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. Loosen the drive belt by pushing down on the top of the drive belt idler arm. Hold the idler
arm down while you pull the belt out of the sheave rim. Place the belt on the left end of the
sheave shaft.
3. Remove the spring from the top of the drive belt idler arm.
4. If you are replacing the idler spring...
THEN... OTHERWISE...
Continue with the next step. Skip to Step 9.
Removing the Idler Spring
An exploded view of the idler spring assembly is shown in Diagram 7.19.
5. Remove the outer locknut on the idler spring assembly. Remove the idler spring assembly
from the frame upright.
6. Remove the inner locknut on the idler spring assembly. Remove the idler spring from the
screw.
Replacing the Idler Spring
7. Place the new spring on the screw. Install the inner locknut on the idler spring assembly.
8. Push the idler spring assembly through the frame upright. Install the outer locknut on the
idler spring assembly.
9. If you are replacing the drive belt idler...
THEN... OTHERWISE...
Continue with the next step. Skip to Step 18.