General Information; Machine Description - Singer Inspiration 4228 Service Manual

General information

This manual describes all of the servicing procedures, including all adjustments and parts re-
moval and replacement for the "Inspiration" class machines
It is intended to be used by service workshop personnel, or by salesmen who carry out servi-
cing their own districts. They assume a thorough knowledge of the handling of precision appli-
ances and accessibility to service tools.
For more detailed information regarding the construction, etc., refer to the diagrams in the
spare parts list.
Additional information covering any production changes, improvements or changes to parts will
be made by issuing Singer service parts bulletins.

Machine Description

Tubular bed.
Lightweight casting.
Sure fit sewing system.
Electronic triac foot speed controller.
New "FT" fabric feed system.
Vertical needle profile.
Motor concealed in bed.
Horizontal spool pin.
Automatic bobbin winder declutching.
Bobbin capacity of 41 m (45 yds) minimum.
Universal presser bar pressure control. Q Maximum stitch length 5 mm (5 s.p.i.).
Self-threading take-up lever.
Instant reverse.
One-way needle insertion.
One-way bobbin insertion.
Direct pattern selection.
Drop feed
One-step buttonholer
Automatic needle threader
Bed length 386 mm without cloth plate.
Bed width 150 mm.
Bed height 75 mm.
Clearance under free arm 28 mm.
Free arm circumference 264 mm.
Overall height 290 mm.
Weight 6,0 kg.
4 Singer Inspiration