Brother SC-2000 Service Manual page 74

Set the two shutter springs on the two hooks of the shutter front and the shutter
rear.
Insert the four claws of the shutter cover into the holes in the presser frame sub
assy.
Pass the presser frame shaft through the presser frame sub assy, and set the
retaining rings and the bearings on both ends of the presser frame shaft.
Note 1: Make sure that the two pinion shafts of the presser frame sub assy are
inserted into two holes A in the shutter cover, as shown in Fig. 3.69.
Shutter cover
Presser frame
sub assy
Retaining ring
Bearing
Hole A
Shutter springs
Presser frame shaft
Fig. 3.69
III - 56
Bearing
Retaining ring