Singer Hemstitcher
and Picot Edger

Part No. 121387

To Install the Throatplates

To Attach the Special Throat Plate (Part No. 121392) to the Model 221-1.

Have the needle bar at its highest point (see below), then remove the presser foot, thumb screw and throat plate from machine. See that the bobbin case base position finger (E) is at top and in line with needle. Attach special throat plate to machine, inserting stud (B) in one screw hole and being sure that bobbin case base position finger (E) enters nothc (C) in bobbin case base position plate, as shown, then fasten throat plate in position, using one of the regular throat plate screws (D) in the other screw hole.

To Install the Hemstitcher

Hold the hemstitcher and move the operating lever [F] up and down until the piercer [G] is at its highest point, at which time the pawl [ J ] will be in one of the teeth of the ratchet which is indicated by the star ( * )

Place the hemstitcher at the rear of the presser bar and bring it into position, having the fork (F, Fig. 7) of the operating lever straddle the needle clamp of the machine.

On Machines of Class 101 -

Insert the special (longer) thumb screw (M, Fig. 7) in the upper hole (N, Fig. 8).

On all other Singer lock stitch family machines -

Insert the screw (M, Fig. 7) in the lower hole (O, Fig. 8).

When the hemstitcher is in position, tighten the screw (M, Fig. 7) firmly with a screwdriver.

Singer Hemstitcher and Picot Edger, Attachment Screw and Special Throat Plate Numbers for Singer Lock Stitch Family Machines

Machine Number	Attachment with Thumb Screw	Attachment Thumb Screw	Special Throat Plate
Class 15	121387	51347A	121388
Class 66 (except 66-1)	121387	51347A	121389
Class 99	121387	51347A	121389
Class 101	121387	51347A	121390
Classes 127 and 128	121387	51347A	121391 (including screw 202)
Class 201	121387	51347A	121388
Class 221	121387	51347A	121392