Stairmaster 7000 manual Check the step assembly, Ensure the nuts at each step shaft end are tight

TROUBLESHOOTING THE DRIVE TRAIN

7.Check the condition of the upper and lower sprocket assemblies. Replace the sprocket assembly if it is worn excessively, has broken teeth, or if it is bent.

8.Check the alignment of the upper and the lower sprocket assemblies. The outside face of the upper and lower sprockets should be 1-11/16" (4.3 cm) from the outside edge of the left frame rail. Loosen the nuts on the pillow block bearing collars and tighten or loosen the bearing adjuster set screws until the distance to both sprockets is correct. Tighten the pillow block bearing nuts and verify the distance.

9.Check the step assembly.

a.Rotate the steps and check the hinges, step shafts, washers, and bearings (See Figure to Right) for wear, corrosion and lack of lubrication. Replace any worn parts.

b.Ensure the nuts at each step shaft end are tight.

Step Tread

Step Hinge

2 X Nut

	4 X Washer
Step Shaft	2 X Bearing

10.Reinstall all parts. If the problem still exists, contact the Customer Service Department at 800-331-3578 for further assistance.

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