Stairmaster STEPMILL 7000 PT - Step, Sprocket, and Cable Assembly Procedures

•
•
•
PARTS REMOVAL AND REPLACEMENT
STEP CHAIN ASSEMBLY
1. Remove the right and the left side covers.
2. Rotate the stairs to position the step chain master link on the lower span of the chain
(refer to Figure 17) .
3. Remove the master link.
4. Using the old master link, connect the new chain assembly to the lower half of the
old chain assembly.
5. Remove the nut from the step shaft above the master link (refer to Figure 16). You
may be required to place another 5/16 " -18 nut on the opposite end of the step shaft
to remove the nut.
6. Remove the bearing, outer step shaft washer and the modified link of the old step
chain assembly from the step shaft.
7. Place the modified link of the new step chain assembly on the step shaft. Reinstall
the outer step shaft washer, bearing and nut.
8. Rotate the steps until the next step shaft is in approximately the same place as the
previous step shaft.
9. Repeat steps 6-8 until the new chain assembly is installed on the remaining step
shafts.
10. Remove the master link connecting the old chain with the new chain .
11. Connect the new chain assembly together with the master link . It may be necessary
to reduce the chain tension to install the master link . This step is accomplished by :
Count and wr i te down the number of exposed threads on the top bearing
aqjuster set screw for a reference when you reassemble the parts (refer to
Figure 17).
Loosen the nuts on the pillow block bearing housing .
Loosen the bearing aqjustment set screw until the chain tension level is
relieved to a point where the master link may be reconnected.
Page 43