Table Of Contents - Singer Inspiration 4228 Service Manual

Index
General information .......................................................................................................................4
Machine Description ......................................................................................................................4
Service tools ..................................................................................................................................5
How to remove the covers .............................................................................................................6
Face Cover ....................................................................................................................................6
Back Cover ....................................................................................................................................6
Front Cover....................................................................................................................................7
Settings
Arm shaft end play and horizontal and vertical gear mesh..........................................................10
Vertical Shaft End Play ................................................................................................................11
Take-up lever and needle bar connecting link play .....................................................................12
Needle to hook relationship .........................................................................................................13
Needle bar pendulum timing........................................................................................................14
Disc stack radial play ...................................................................................................................14
Needle bar height ........................................................................................................................15
Needle centralizing for zig-zag and straight stitch .......................................................................16
Needle bar safety bight stop ........................................................................................................17
Needle threader ...........................................................................................................................18
Presser bar height and alignment................................................................................................19
Presser bar height ......................................................................................................................19
Hook drive belt tension ................................................................................................................20
Timing of Hook and Needle .........................................................................................................21
Bobbin case position finger .........................................................................................................22
Bobbin case position plate...........................................................................................................22
Bobbin case clearances ..............................................................................................................23
Feed rock shaft end play .............................................................................................................24
Feed dog centralization ...............................................................................................................24
Feed dog height...........................................................................................................................25
Cam controlled feed follower adjustment ....................................................................................26
Stitch width selector adjustment ..................................................................................................26
Zero feed .....................................................................................................................................27
Buttonhole's Forward and reverse adjustment ............................................................................28
Buttonholer stitch density balance ...............................................................................................29
Buttonholer pendulum timing (1-step buttonholer) ......................................................................30
Flexi stitch zeroing (accurate adjustment) ...................................................................................31
Needle thread tension .................................................................................................................32
Adjusting of the thread retainer spring "M" ..................................................................................33
Bobbin winder ..............................................................................................................................34
Buttonholer engage and disengaging lever .................................................................................35
Dismantling
Removing the motor ....................................................................................................................36
Removing the Needle bar Bracket...............................................................................................37
Removing the Thread tension Unit ..............................................................................................37
Removing the Stitch width selector .............................................................................................38
Removing the Bobbin Winder Mechanism ..................................................................................38
Removing the Hook and Bobbin mechanism ..............................................................................39
Lubrication
Lubrication ...................................................................................................................................40
2 Singer Inspiration