3.
Push up on the idler sprocket to release tension on the chain,
then walk chain off the idler sprocket as shown
4.
Pull the transmission sprocket off of the shaft.
Note: Put the keyway from the shaft with the sprocket.
5.
On the user-right side, cut the two zip-ties as shown to move
the brake.
6.
Remove the Mylar shield using a Philips screwdriver
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