Instructables

Step 5:

8. Slip the rubber coil onto your motor.  Then insert the shaft through the hole in the metal lid (see picture) This will line up the rubber coil center with the hole in the lid.  Once they are aligned start adding some hot melt glue to the outside of the coil. Go all around the outside of the coil with the hot glue.  DO NOT PUT HOT GLUE ON THE TOP OF THE RUBBER COIL.  Also do not glue the motor in place.  Once the hot melt glue dries, remove the motor from the rubber coil.  You should be left with a rubber coil/metal lid assembly.


PRO TIP:  Remember, each time the shaft needs to be inserted into the rubber coil you will need to apply more petroleum jelly.
 
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