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Manuals
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Singer Manuals
Sewing Machine
306
Manual
Singer 306 Manual
Swing-needle sewing machines
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Tips on Setting up
Order of Inspection of Customer's Machines at the Bench
Order of Inspection in the Home
Needle and Threads
Hook and Needle Relationship
Chart Shoring Relationship of Types of Fabrics, Thread and Needle Sizes and Machine Stitches to the Inch
Twist of Thread
To Order Needles for Swing-Needle Machines
Description of 306 X 1 Twin Needles
15 X 1 Needles for Machines of Glass 401
To Prevent Breaking of Needles
Location of Needle in Needle Clamp
Formation of the Lock Stitch
The Perfect Lock Stitch
Tension Conditions
Straight Stitching
Satin Stitching
Open Zigzag Stitching
To Regulate Thread Tensions
To Remove and Disassemble Needle Thread Tension
Needle Thread Tension
To Obtain Increased Tension Range
To Reassemble and Replace Needle Thread Tension
To Adjust the Thread Take-Up Spring
Stroke of Spring
To Set Take-Up Spring Stroke
Pressure of Spring
To Establish Minimum Pressure of Spring
To Regulate Bobbin Thread Tension
Bobbin Thread Tension
To Regulate Bobbin Thread Tension Without Removing Bobbin Case
Suggested Method of Setting Bobbin Thread Tension
To Correct the Position of the Needle in Relation to Straight-Stitching Throat Plate
Machine Set for Straight Stitching at Central Position
Hints for Adjusters and Mechanics
Check These Points When a Machine Binds
When Stitch Regulator Binds
Check These Points When Machine Breaks Needles
If Needle Strikes Sewing Hook
If Needle Strikes Presser Foot
If Throat Plate Rattles
To Remove Arm Shaft Connection Belt from Within the Arm
To Replace Arm Shaft Connection Belt
Location of Arm Shaft Sprocket
Care of the Arm Shaft Connection Belt
To Time the Feed
Two Methods
To Set the Feed Dog at the Correct Height
Full Depth Rear Teeth
To Adjust the Position of the Feed Dog for Clearance above Hook
Adjusting Clearance between Hook and Feed Dog
To Set the Feed Dog in Relation to the Throat Plate Slots
Sidewise Adjustment
Lengthwise Adjustment
Adjusting Feed Dog in Throat Plate Slots
To Adjust the Stitch Regulator
Check These Points When Stitch Regulator Sticks, Creeps or Binds
Stitch Regulating Handle
Adjusting Stitch Regulator
To Remove Stitch Regulator Handle
To Remove Feed Regulator Assembly
To Replace Feed Regulator Assembly
To Replace Stitch Regulator Handle
To Remove a Broken or Faulty Feed Forked Connection Assembly
To Install a Feed Forked Connection Assembly
Removing Feed Forked Connection
To Remove End Play or Binding in Rotating Hook Driving Shaft
Tests for Binding
To Remove Hook Driving Shaft
To Replace Hook Driving Shaft
To Remove End Play or Binding in the Hook Shaft
To Set the Position of Hook Point to or from the Needle
Adjustment for Thread Clearance between Position Finger and Bobbin Case Base
To Set the Needle Bar Height Indicator
To Time the Rotating Hook in Relation to the Movement of the Needle
Sequence of Adjustments to be Verified before Timing Hook
To Set Needle Bar Height Without Gauge
To Set Needle Bar Height with Gauge
To Remove and Replace Needle Bar
To Remove Needle Bar Holder
To Replace Needle Bar Holder
To Check for Looseness or Binding in Needle Vibrating Mechanism
To Remove End Play or Binding in Arm Shaft
To Remove End Play or Binding in Arm Cross Shaft
To Adjust Position of Fashion Disc Follower Frame Stud in Relation to Fashion Disc
To Remove Needle Bar Pitman and Fashion Disc Follower Frame
To Replace Needle Bar Pitman and Fashion Disc Follower Frame
To Adjust Pendulum Setting Position of Needle in Relation to Straight-Stitching Throat Plate and Presser Foot
To Position Eccentric Stud
Timing Pendulum Movement of Needle Bar Without Gauge
To Time Pendulum Movement of Needle Bar Without Gauge
To Time Pendulum Movement of Needle Bar with Gauge
To Set the Presser Bar at the Correct Height
To Regulate Pressure on Presser Foot
Tests for Squareness of Presser Foot to Feed
Needle-Perforation Tests
To Eliminate Needle Vibration with Gauge
If Needle Vibrates
Coordinating Extreme Left- and Right-Needle Positions
Bight
Bight Limit Screws
Bight Limit Screw Settings
Varieties of Stitching and Summary of Controls Obtainable from Bight Control Mechanism
Straight Stitch, Central Needle Position
Straight Stitch, Left Needle Position
Straight Stitch, Right Needle Position
Straight Stitch Intermediate Positions
Maximum Zigzag Stitch, Right Needle Position
Zigzag Stitch, Various Widths, Central Needle Position
Zigzag Stitch, Various Widths, Left Needle Position
Zigzag Stitch, Various Widths, Right Needle Position
To Remove the Bight Control Mechanism
Zigzag Stitch of Various Widths and at Various Positions of the Needle
Sub-Assembly Arrangement
To Disassemble Bight Control Mechanism
To Reassemble Bight Control Mechanism
Bearing Sleeve Sub-Assembly
Indicator Plate Sub-Assembly
Bight Lever Sub-Assembly
Completing Assembly
To Install Bight Control Mechanism
To Oil the Machine
To Grease Gears
Dangers of Over-Lubrication
Do Not Lubricate the Motor
Treatment of Machine Which Have Not Been Used for Months
To "Run-In" the Machine
To Adjust the Stop Motion Mechanism for Winding Bobbins
To Adjust the Bobbin Winder
To Wind Bobbins Evenly
To Remove Needle Vibrator Fork Connection
To Replace Needle Vibrator Fork Connection
Differences in Bobbin Case Holders and Bobbin Cases of Machine 306 and 319
When Disc Follower Frame Seems to be Noisy
"Thumping" Noise
To Eliminate End Play or Binding of Feed Rock Shaft and Feed Lifting Rock Shaft
To Eliminate End Play or Binding of Upright Arm Shaft
To Eliminate End Play or Binding of Horizontal Arm Shaft
To Set the Index Pins at the Correct Height
To Time the Cam Stack
To Set Cam Selector Arm Stops
To Zero-Out the Machine
To Centralize the Needle Bar Driving Arm with the Disc Selector Arm Bracket Followers
To Centralize the Needle in Needle Hole in Straight-Stitching Throat Plate
To Time the Rotating Hook
To Set the Position of the Hook Point to or from the Needle
Removals and Replacements Upright Arm Shaft
Motor Removal and Replacement
The Light Fixture Removal and Replacement
Wiring Harness Removal and Replacement
Needle Thread Tension Removal and Replacement
Hand Wheel and Counterbalance Removal and Replacement
Bobbin Winder Removal and Replacement
Stitch Regulator Removal and Replacement
Throat Plate Position Bracket Removal and Replacement
Feed Lifting Rock Shaft Removal and Replacement
Feed Rock Shaft Assembly Removal and Replacement
Hook Driving Shaft Removal and Replacement
Rotating Hook and Position Finger Removal and Replacement
Feed Lifting Rock Shaft Connecting Rod Removal and Replacement
Feed Forked Connection Removal and Replacement
Needle Bar Removal and Replacement
Needle Bar Vibrating Bracket Removal and Replacement
Needle Thread Take-Up
Cam Stack Removal and Replacement
Cam Selector Arm Shaft and Followers Removal and Replacement
Needle Bar Driving Arm Removal and Replacement
Bight Amplitude and Pattern Selector Removal and Replacement
Horizontal Arm Shaft Removal and Replacement
Index
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This manual is also suitable for:
306w25
206k43
206k25
319
401
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