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24 Chapter 1 • <strong>Stair</strong>-<strong>Climber</strong><br />
Final Step 9<br />
Final Step 10<br />
Attach the parts as<br />
shown. This portion of<br />
the assembly is used to<br />
lock motors in place.<br />
First, attach an axle connector to<br />
each motor. Next, align each<br />
worm gear as shown, and pin in<br />
place with an axle.<br />
Final Step 11<br />
Rotate the model so<br />
that you are looking<br />
at the bottom side,<br />
and place four halfbushings<br />
as shown.
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