PARTS REMOVAL AND REPLACEMENT
UPPER (AND LOWER) SPROCKET ASSEMBLY
1.Remove the right and left side covers.
2.Remove all of the steps.
3.Remove the drive chain if you are removing the upper sprocket assembly.
4.Count and write down the number of exposed threads on the bearing adjuster set screws on both sides of the machine for a reference when you reassemble the parts (See Drawing Below).
5.Remove the right and left step chain assemblies.
6.Loosen the adjustment screws until the tips of the screws are flush with the inside face of the bearing adjusters.
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