Originally Posted by
leonf
There is a leaf spring that slips in to the grooves in the underside of the access plate. Held in place my a single screw.
Recommended procedure for getting it into place is taking off the feed dog plate ( offset screwdriver Is handy here) and sliding it in from the right.
I agree with this. It will only seat properly by sliding it on from the right. I spent hours trying from the left before the eureka moment.