Drive Chain Damper Strap; Drive Chain Idler Sprocket - Stairmaster Crossrobics 1650 LE Owner's Manual

DRIVE CHAIN DAMPER STRAP

1. Remove the left side and right rear covers.
2. The drive chain damper strap is located between the alternator and
the pivot pulley assembly on the right side of the rear vertical frame
rail (see Figure 9).
3. Loosen the nuts and remove the mounting bolts.
4. Replace the strap and adjust the strap so it is slightly (barely) in
contact with the drive chain.
5 . Reattach the left side and right rear covers.

DRIVE CHAIN IDLER SPROCKET

1. Remove the left and right side covers.
2. Remove the drive chain.
3. Inspect the idler sprocket. It should spin freely and the teeth should
be uniform. Any damaged sprocket should be replaced.
4. Remove the snap ring securing the damaged sprocket to its shaft.
5. Pull off the damaged sprocket and replace it with a new sprocket.
6. Reinstall the drive chain and reattach the side covers.
PARTS REMOVAL AND REPLACEMENT
!
WARNING
TO REDUCE THE RISK OF EYE INJURY, WEAR EYE
PROTECTION WHEN REMOVING SNAP RINGS.
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