Name: Pfaff 1425
Brand: Pfaff
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Instruction Manual

1425

1426

296-12-18 403/002

Betriebsanleitung engl. 01.01

This instruction manual applies to machines from the

following serial numbers onwards:

PFAFF 1425 # 2572934

PFAFF 1426 # 2572935

Instruction Manual1
Table of Contents3
Contents4
Safety6
Regulations6
General Notes on Safety6
Safety Symbols7
Important Notes for the User7
Notes for Operating and Technical Staff8
Operating Staff8
Technical Staff8
Danger Warnings9
Proper Use10
Specifications11
Pfaff 1425, Pfaff 142611
Disposal of Machine13
Transportation, Packing and Storage14
Transportation to Customer's Premises14
Transportation Inside Customer's Premises14
Disposal of Packing Materials14
Storage14
Explanation of Symbols15
Controls16
On/Off Switch16
Keys on Machine Head16
Pedal17
Knee Switch17
Presser Foot Fixing Key18
Reverse-Feed Control19
Edge Trimmer -731/0219
Secondary Needle-Thread Tension20
Bobbin-Thread Supply Monitor -926/0621
Bobbin Thread Control by Stitch Counting -926/0721
Installation and Commissioning22
Installation22
Adjusting the Table Height22
Fitting the Tilt Lock23
Tensioning the V-Belt23
Fitting the Upper V-Belt Guard24
Fitting the Bottom V-Belt Guard24
Fitting the Reel Stand25
Fitting the Synchroniser25
Connecting the Earth Cables26
Commissioning27
Switching the Machine On/Off27
Setting up28
Inserting the Needle on the PFAFF 142528
Inserting the Needles on the PFAFF 142629
Winding the Bobbin Thread, Regulating the Winder Tension30
Bobbin-Changing/Threading, and Regulating the Bobbin Thread Tension31
Threading Needle Thread and Regulating Its Tension on the PFAFF 142532
Threading Needle Threads and Regulating Tensions on the PFAFF 142633
Care and Maintenance34
Cleaning the Hook Area34
Oiling the Hook35
Checking/Adjusting the Air Pressure36
Cleaning the Air Filter of the Air-Filter/Lubricator36
Adjustment37
Tools, Gauges and Other Equipment37
Notes on Adjustment37
Abbreviations37
Adjusting the Basic Machine38
Adjusting the Synchronizer38
Balance Weight39
Neutral Position of the Unison Feed40
Feeding Motion of the Unison Feed41
Lifting Motion of the Bottom Feed Dog42
Bottom Feed-Dog Height44
Needle in Needle-Hole Centre45
Feeding-Stroke Difference46
Needle Height (Preliminary Adjustment)47
Bobbin-Case Opener Stroke50
Top Feed Stroke51
Top Feed Lifting Motion52
Clearance between Lifting Presser and Needle Plate53
Bobbin Winder54
Thread Check Spring and Thread Regulator on the PFAFF 142555
Speed Reduction When the Stroke Is Increased57
Needle-Thread Tension Release58
Lubrication59
Re-Engaging the Slip-Clutch60
Adjusting the Edge Trimmer -731/0261
Neutral Position of Knife61
Knife Stroke62
Cutting Stroke63
Actuating Lever64
Knife Height65
Knife Position in Sewing Direction66
Knife Position Crosswise to Sewing Direction67
Adjusting the Thread Trimmer 900/8168
Resting Position of Roller Lever/Radial Position of Control Cam68
Thread Catcher Height69
Thread Catcher Position70
Knife Height71
Knife Pressure72
Bobbin-Thread Retaining Spring73
Thread-Catcher Transmission Crank (Only on PFAFF 1426 )74
Manual Cutting Test76
Adjusting the Thread Trimmer 900/8277
Position of the Control Cam77
Thread Catcher and Knife Height78
Knife Mounting Support79
Knife Cutting Position80
Thread Catcher Position81
Readjustment of the Control Cam82
Knife Pressure83
Bobbin-Thread Retaining Spring84
Manual Cutting Test85
Adjusting the Bobbin-Thread Supply Monitor -926/0686
Parameter Settings87
Selecting and Changing Parameters87
List of Parameters88
Wearing Parts90

Brand	Pfaff
Model	1425
Category	Sewing Machine
Language	English

Pfaff 1425 User Manual

Table of Contents

Questions and Answers:

Pfaff 1425 Specifications

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