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SINGER
678B002,B005,B007 ,BOOS
From the library of: Superior Sewing Machine & Supply LLC
Service Manual Bnd- Parts List
6788002
6788005
6788007
6788008
From the library of: Superior Sewing Machine & Supply LLC
IDENTIFICATION OF MACHINES
Each 678B rrachine is identified by a Variety number on a metal plate on the
ma.chine.
APPLICATION OF CATAI.CX;
This catalog applies specifically to the standard Varieties of ma.chines as
listed herein.
References to direction such as right, left, front, back, etc.,
are given from the operator's position while seated at the ma.chine unless otherwise
noted.
Operating direction of handwheel is toward the operator.
VARIEI'IES OF MACHINES
Advanced High Speed, Two and Three Needle, One Looper, One Spreader, Offset
and Tandem, Top Screw Adjusted Differential Feed Flat Bed Machines, Medium
Throw, Needle Bearing Needle Bar Drive, Light Weight Presser Bar and Needle
Bar Driving Mechanism, Single Reservoir, Enclosed PositiveAutomatic Lubricating
System, Filtered Oil Return Pumps for Head and Base, Wakefield Bearings for
Feed Rocker Shaft, Single Disc Looper Thread Take-up with an Adjustable Cast-off
plate Support. Large Handwheel and Improved Belt Guard. Prepared for use with
Knee Press for Presser Foot Lifter, Equipped with Disc Type Thread Tensions,
Maximum Work Space to Right of Needle Bar 8 1/4 Inches (209. 55 mm).
678B002
Three needle five thread interlock stitch, offset differential feed machine,
for attaching cuffs in one operation to knitted undergarments, and similar opera-
tions on light to medium weight materials. Seam specification 605-FSa-1. cat.
7 2 8 4 needle . Standard Gauge No. 16 only. Maximum recommended speed
5500 R. P.M.
f)78B005
Two needle four thread interlock stitch, offset differential feed machine,
for attaching cellarettes to knitted undergarments and similar operations on
light tomedium weight material. Long lengthribbed knit strip cutperpendicular
to the wale or parallel with the wale. Constant strip tension, Seam specification
602-BSa-1.
cat. 7 2 8 4 needle.
Standard Gauge Nos. 8 and 12. Standard
finished widths 3/4, 7/8, 1, 11/4 inches (19.05, 22.23, 25.40, 31.75 mm).
Specify gauge and finished width. Maximum recommended speed 5500 R. P.M.
678B007
Three needle five thread interlock stitch, offset differential feed machine,
for attaching cellarettes to knitted undergarments and similar operations on
light to medium weight rna terial. Long length ribbed knit strip cut perpendicular
to the wale or parallel with the wale. Constant strip tension. Seam specification
605-BSa-1.
cat. 7 2 8 4
needle. Standard Gauge Nos. 14 and 16. Standard
finished widths 3/4, 7/8, 1 and 1 1/4 inches (19. 05, 22. 23, 25. 40, 31.75 mm).
Specify throat plate, gauge, finished width and stitches per inch. Maximum
recommended speed 5500 R. P.M.
678B008
Three needle five thread interlock stitch, tandem differential feed machine,
for patch operations on flat and ribbed knit undergarments and similar opera-
tions on light to medium weight material. Seam specification 605-LSa-1. cat.
7 2 8 4 needle .• Standard gauge No. 16 only. Maximum recommended speed
5500 R.P.M.
3
From the library of: Superior Sewing Machine & Supply LLC
