Singer 306W25 Manuals

Manuals and User Guides for Singer 306W25. We have 2 Singer 306W25 manuals available for free PDF download: Manual, Parts List

SINGER 306W25 Manual (175 pages)

Swing-Needle Sewing Machines

Brand: SINGER | Category: Sewing Machine | Size: 16.88 MB

Table of Contents
3
Tips on Setting up
4
Order of Inspection of Customer's Machines at the Bench
5
Order of Inspection in the Home
6
Needle and Threads
8
Hook and Needle Relationship
9
Chart Shoring Relationship of Types of Fabrics, Thread and Needle Sizes and Machine Stitches to the Inch
10
Twist of Thread
10
To Order Needles for Swing-Needle Machines
11
Description of 306 X 1 Twin Needles
11
15 X 1 Needles for Machines of Glass 401
11
To Prevent Breaking of Needles
11
Location of Needle in Needle Clamp
12
Formation of the Lock Stitch
13
The Perfect Lock Stitch
15
Tension Conditions
16
Straight Stitching
16
Satin Stitching
16
Open Zigzag Stitching
16
To Regulate Thread Tensions
18
To Remove and Disassemble Needle Thread Tension
18
Needle Thread Tension
18
To Obtain Increased Tension Range
18
To Reassemble and Replace Needle Thread Tension
19
To Adjust the Thread Take-Up Spring
19
Stroke of Spring
19
To Set Take-Up Spring Stroke
19
Pressure of Spring
20
To Establish Minimum Pressure of Spring
20
To Regulate Bobbin Thread Tension
21
Bobbin Thread Tension
21
To Regulate Bobbin Thread Tension Without Removing Bobbin Case
21
Suggested Method of Setting Bobbin Thread Tension
21
To Correct the Position of the Needle in Relation to Straight-Stitching Throat Plate
22
Machine Set for Straight Stitching at Central Position
22
Hints for Adjusters and Mechanics
23
Check These Points When a Machine Binds
23
When Stitch Regulator Binds
23
Check These Points When Machine Breaks Needles
24
If Needle Strikes Sewing Hook
24
If Needle Strikes Presser Foot
24
If Throat Plate Rattles
24
To Remove Arm Shaft Connection Belt from Within the Arm
25
To Replace Arm Shaft Connection Belt
26
Location of Arm Shaft Sprocket
27
Care of the Arm Shaft Connection Belt
28
To Time the Feed
29
Two Methods
29
To Set the Feed Dog at the Correct Height
30
Full Depth Rear Teeth
30
To Adjust the Position of the Feed Dog for Clearance above Hook
31
Adjusting Clearance between Hook and Feed Dog
31
To Set the Feed Dog in Relation to the Throat Plate Slots
32
Sidewise Adjustment
32
Lengthwise Adjustment
32
Adjusting Feed Dog in Throat Plate Slots
32
To Adjust the Stitch Regulator
33
Check These Points When Stitch Regulator Sticks, Creeps or Binds
33
Stitch Regulating Handle
33
Adjusting Stitch Regulator
33
To Remove Stitch Regulator Handle
34
To Remove Feed Regulator Assembly
34
To Replace Feed Regulator Assembly
35
To Replace Stitch Regulator Handle
35
To Remove a Broken or Faulty Feed Forked Connection Assembly
36
To Install a Feed Forked Connection Assembly
37
Removing Feed Forked Connection
37
To Remove End Play or Binding in Rotating Hook Driving Shaft
38
Tests for Binding
38
To Remove Hook Driving Shaft
39
To Replace Hook Driving Shaft
39
To Remove End Play or Binding in the Hook Shaft
40
To Set the Position of Hook Point to or from the Needle
41
Adjustment for Thread Clearance between Position Finger and Bobbin Case Base
42
To Set the Needle Bar Height Indicator
42
To Time the Rotating Hook in Relation to the Movement of the Needle
43
Sequence of Adjustments to be Verified before Timing Hook
43
To Set Needle Bar Height Without Gauge
44
To Set Needle Bar Height with Gauge
45
To Remove and Replace Needle Bar
46
To Remove Needle Bar Holder
46
To Replace Needle Bar Holder
47
To Check for Looseness or Binding in Needle Vibrating Mechanism
48
To Remove End Play or Binding in Arm Shaft
49
To Remove End Play or Binding in Arm Cross Shaft
49
To Adjust Position of Fashion Disc Follower Frame Stud in Relation to Fashion Disc
49
To Remove Needle Bar Pitman and Fashion Disc Follower Frame
50
To Replace Needle Bar Pitman and Fashion Disc Follower Frame
51
To Adjust Pendulum Setting Position of Needle in Relation to Straight-Stitching Throat Plate and Presser Foot
52
To Position Eccentric Stud
52
Timing Pendulum Movement of Needle Bar Without Gauge
53
To Time Pendulum Movement of Needle Bar Without Gauge
54
To Time Pendulum Movement of Needle Bar with Gauge
55
To Set the Presser Bar at the Correct Height
56
To Regulate Pressure on Presser Foot
56
Tests for Squareness of Presser Foot to Feed
57
Needle-Perforation Tests
58
To Eliminate Needle Vibration with Gauge
60
If Needle Vibrates
60
Coordinating Extreme Left- and Right-Needle Positions
61
Bight
62
Bight Limit Screws
63
Bight Limit Screw Settings
63
Varieties of Stitching and Summary of Controls Obtainable from Bight Control Mechanism
64
Straight Stitch, Central Needle Position
64
Straight Stitch, Left Needle Position
64
Straight Stitch, Right Needle Position
64
Straight Stitch Intermediate Positions
65
Maximum Zigzag Stitch, Right Needle Position
65
Zigzag Stitch, Various Widths, Central Needle Position
66
Zigzag Stitch, Various Widths, Left Needle Position
66
Zigzag Stitch, Various Widths, Right Needle Position
66
To Remove the Bight Control Mechanism
67
Zigzag Stitch of Various Widths and at Various Positions of the Needle
67
Sub-Assembly Arrangement
68
To Disassemble Bight Control Mechanism
69
To Reassemble Bight Control Mechanism
70
Bearing Sleeve Sub-Assembly
70
Indicator Plate Sub-Assembly
70
Bight Lever Sub-Assembly
71
Completing Assembly
72
To Install Bight Control Mechanism
73
To Oil the Machine
74
To Grease Gears
75
Dangers of Over-Lubrication
76
Do Not Lubricate the Motor
77
Treatment of Machine Which Have Not Been Used for Months
77
To "Run-In" the Machine
77
To Adjust the Stop Motion Mechanism for Winding Bobbins
78
To Adjust the Bobbin Winder
79
To Wind Bobbins Evenly
79
To Remove Needle Vibrator Fork Connection
82
To Replace Needle Vibrator Fork Connection
82
Differences in Bobbin Case Holders and Bobbin Cases of Machine 306 and 319
105
When Disc Follower Frame Seems to be Noisy
119
"Thumping" Noise
120
To Eliminate End Play or Binding of Feed Rock Shaft and Feed Lifting Rock Shaft
136
To Eliminate End Play or Binding of Upright Arm Shaft
137
To Eliminate End Play or Binding of Horizontal Arm Shaft
137
To Set the Index Pins at the Correct Height
138
To Time the Cam Stack
138
To Set Cam Selector Arm Stops
139
To Zero-Out the Machine
140
To Centralize the Needle Bar Driving Arm with the Disc Selector Arm Bracket Followers
141
To Centralize the Needle in Needle Hole in Straight-Stitching Throat Plate
142
To Time the Rotating Hook
143
To Set the Position of the Hook Point to or from the Needle
144
Removals and Replacements Upright Arm Shaft
145
Motor Removal and Replacement
145
The Light Fixture Removal and Replacement
146
Wiring Harness Removal and Replacement
147
Needle Thread Tension Removal and Replacement
148
Hand Wheel and Counterbalance Removal and Replacement
150
Bobbin Winder Removal and Replacement
151
Stitch Regulator Removal and Replacement
151
Throat Plate Position Bracket Removal and Replacement
152
Feed Lifting Rock Shaft Removal and Replacement
153
Feed Rock Shaft Assembly Removal and Replacement
153
Hook Driving Shaft Removal and Replacement
153
Rotating Hook and Position Finger Removal and Replacement
154
Feed Lifting Rock Shaft Connecting Rod Removal and Replacement
155
Feed Forked Connection Removal and Replacement
155
Needle Bar Removal and Replacement
156
Needle Bar Vibrating Bracket Removal and Replacement
156
Needle Thread Take-Up
157
Cam Stack Removal and Replacement
158
Cam Selector Arm Shaft and Followers Removal and Replacement
158
Needle Bar Driving Arm Removal and Replacement
159
Bight Amplitude and Pattern Selector Removal and Replacement
159
Horizontal Arm Shaft Removal and Replacement
160
Index
169

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