This video shows how to remove and install most of the parts on the EEW 6.1.
https://www.dreamingrobots.com/
0:00 Intro
0:12 Tension Spring
1:36 Bobbin Groove
2:15 Tension Dial
3:23 Flyer Arm Cap
3:46 Sliding Hook
4:49 Flyer Arm Brace
5:48 Motor Pulley
6:40 Switches
9:30 Speed Dial Removal
10:38 Circuit Board
14:57 Speed Dial Install
16:29 Motor