Stairmaster 4200 PT Fitness Equipment User Manual


 
Page 61
SPRING PULLEY
1. Remove the bottom cover.
2. Unhook the pedal arm return spring from the spring hanger.
3. Remove the snap ring from the pulley shaft (see Figure 11).
4. Slide the pulley and washer off the shaft.
5. Before reinstalling the pulley, clean the pulley shaft thoroughly with
a clean, dry cloth. Apply a thin coat of multi-purpose grease to the
pulley shaft.
6. Slide the pulley and washer onto the shaft. Install the snap ring.
7. Route the spring under the spring pulley.
8. Hook the end of the spring over the spring hanger. Do not twist the
spring.
9. Reinstall the covers.
DRIVE CHAIN
1. Remove the bottom cover.
PARTS REMOVAL AND REPLACEMENT
TO REDUCE THE RISK OF EYE INJURY, WEAR EYE
PROTECTION WHEN REMOVING SNAP RINGS.
!
WARNING
!
WARNING
DO NOT TWIST THE SPRING DURING INSTALLATION. IT WILL WEAR
EXCESSIVELY AND REDUCE THE LIFE OF THE SPRING.