Stairmaster 7000 manual Loosen the nuts on the pillow block bearing housing

PARTS REMOVAL AND REPLACEMENT

•Loosen the nuts on the pillow block bearing housing.

•Loosen the bearing adjustment set screw until the chain tension level is relieved to a point where the master link may be disconnected.

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. It may be necessary to place another 5/16"-18 nut on the opposite end of the step shaft to gain leverage and remove the nut.

6.Remove the bearing, the 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. Tighten the bearing adjustment set screw until the same number of threads as in step 2 are exposed. Tighten the nuts on the pillow block bearing housing.

12.You should consider replacing the opposite step chain so that both chains will wear equally.

13.Reassemble the machine in reverse order.

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