David P Best:
Height Indicator Kit for Smart Stand MFG Part #70122A-SS130
David P Best:
First, remove the height adjustment assembly
David P Best:
Remove the roll-pin that secures the crank to the shaft.
David P Best:
Remove the gear and shaft
David P Best:
Replace the worm-gear with new version.
David P Best:
Reinstall the height-adjustment mechanism
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Video - Unwind the height-adjustment shaft
David P Best:
Align the holes and reinstall the roll pin
David P Best:
Zero-out the digital counter
David P Best:
Secure the counter collar