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Singer Inspiration 4228 User Manual

Singer Inspiration 4228
42 pages
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Service manual
4228-4220
4212-4206
4210-4205
104 ++ ++-96
22 May 2007
A registered trademark of The Singer company Ltd or its afliates
© 2007 Singer Company - All Rights Reserved.
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Singer Inspiration 4228 Specifications

General IconGeneral
Built-in Stitches28
Stitches28
Sewing Speed750 stitches per minute
Dimensions15.5 x 7.5 x 12 inches
Power SourceElectric
Bobbin TypeClass 15
Needle ThreaderAutomatic
Adjustable Stitch LengthYes
Adjustable Stitch WidthYes
Max Stitch Length4 mm
Max Stitch Width5 mm
Buttonhole Styles1-Step
TypeMechanical Sewing Machine

Summary

General Information and Machine Description

General Information

Overview of the manual's scope and intended audience for servicing procedures.

Machine Description

Details the features and specifications of the Singer Inspiration sewing machine.

Service Tools

How to Remove Covers

Face Cover

Step-by-step instructions for removing the front face cover of the sewing machine.

Back Cover

Instructions for removing the back cover of the sewing machine, detailing screw locations.

Front Cover

Detailed steps for removing the front cover, including removing the stitch dial and presser bar pressure knob.

Arm Shaft End Play and Gear Mesh

Vertical Shaft End Play

Take-up Lever and Needle Bar Play

Needle to Hook Relationship

Needle Bar Timing and Disc Play

Needle Bar Pendulum Timing

Procedure to check and adjust the timing of the needle bar's lateral movement during zig-zag stitching.

Disc Stack Radial Play

Checking and adjusting radial play in the disc cylinder assembly for smooth operation.

Needle Bar Height

Needle Centralizing

Needle Bar Safety Bight Stop

Needle Threader Adjustment

Presser Bar Adjustments

Presser Bar Height and Alignment

Ensuring the presser foot is parallel to the needle plate slot.

Presser Bar Height

Procedure to check and adjust the vertical distance of the presser foot from the needle plate.

Hook Drive Belt Tension

Timing of Hook and Needle

Bobbin Case Settings

Bobbin Case Position Finger

Adjusting the bobbin case position finger for correct alignment with the bobbin case fork.

Bobbin Case Position Plate

Checking and adjusting the clearance between the bobbin case and the position bracket.

Bobbin Case Clearances

Feed Dog Adjustments

Feed Rock Shaft End Play

Checking and adjusting end play in the feed rock shaft for proper feed dog movement.

Feed Dog Centralization

Ensuring the feed dog is centered in the needle plate slots for even fabric feeding.

Feed Dog Height

Feed Control Adjustments

Cam Controlled Feed Follower Adjustment

Adjusting the cam controlled feed follower for proper fabric feeding mechanism operation.

Stitch Width Selector Adjustment

Procedure to adjust the stitch width selector to control the zig-zag stitch width.

Zero Feed

Buttonholer Adjustments

Buttonhole's Forward and Reverse Adjustment

Adjusting the forward and reverse movement for buttonhole sewing.

Buttonholer Stitch Balance

Buttonholer Pendulum Timing (1-step)

Flexi Stitch Zeroing

Needle Thread Tension

Thread Retainer Spring Adjustment

Bobbin Winder

Buttonholer Engage/Disengage Lever

Dismantling

Removing the Motor

Step-by-step instructions for removing and mounting the sewing machine motor.

Removing the Thread Tension Unit

Instructions for removing the thread tension unit from the sewing machine.

Removing the Needle Bar Bracket

Procedure for removing the needle bar bracket assembly.

Removing the Stitch Width Selector

Instructions for removing the stitch width selector mechanism.

Removing the Bobbin Winder Mechanism

Procedure for removing the bobbin winder mechanism from the machine.

Removing the Hook and Bobbin Mechanism

Instructions for removing the hook and bobbin mechanism assembly.

Lubrication

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