Brother SL100 Service Manual page 57

Basic of Assembly
3. Pull down the presser foot lifter.
4. Set the rear cover assy to the arm bed, and secure it with the three screws (taptite, cup P M4X20).
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Refer to 3 - 59 Assembly of Rear cover assy.
Presser foot lifter
Main frame and Covers
2 - 45
Rear cover assy
Taptite, cup P M4X20
Taptite, cup P M4X20
Taptite, Cup P M4X20
Taptite, cup P
M4X20