Name: Pfaff 422
Brand: Pfaff
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INSTRUCTION MANUAL

296-12-18 397/002

Betriebsanleitung engl. 06.09

This instruction manual applies to machines from the

following serial numbers onwards:

# 540 337

422

1422

Industrial

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 422, Pfaff 142211
Needle and Thread12
Possible Work Aids12
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 Lever17
Presser Bar Lifter18
Feed Regulator Wheel18
Reverse-Feed Control19
Installation and Commissioning20
Installation20
Adjusting the Table Height20
Fitting the Tilt Lock21
Tensioning the V-Belt21
Fitting the Top V-Belt Guard22
Fitting the Bottom V-Belt Guard22
Fitting the Synchronizer23
Fitting the Reel Stand23
Switching the Machine On/Off24
Commissioning24
Setting up25
Inserting the Needle25
Winding the Bobbin Thread, Regulating the Winder Tension26
Removing and Inserting the Bobbin Case27
Threading the Bobbin Case and Adjusting the Bobbin Thread Tension27
Threading Needle Threads and Regulating Tensions28
Care and Maintenance29
Cleaning the Hook Areas and the Hooks29
Oiling the Hook30
Checking/Adjusting the Air Pressure31
Cleaning the Air Filter of the Air-Filter/Lubricator31
Adjustment32
Notes on Adjustment32
Tools, Gauges and Other Equipment32
Abbreviations32
Adjusting the Basic Machine33
Adjusting the Synchronizer33
Balance Weight34
Positioning the Feed Dog in the Needle Plate Cutout35
Neutral Position of the Feed Dog36
Feeding Stroke of Feed Dog37
Lifting Stroke of Feed Dog38
Feed Dog Height39
Needles in Needle-Hole Centre40
Needle Height (Preliminary Adjustment)41
Needle Rise, Hook-To-Needle Clearance, Needle Height (Final Adjustment) and Needle Guard42
Bobbin Case Opener Stroke44
Re-Engaging the Slip-Clutch45
Clearance between Presser Foot and Needle Plate46
Knee Lever47
Needle Thread Tension Release (on Machines Without Subclass -900/81)48
Needle Thread Tension Release (on Machines with Subclass -900/81)49
Bobbin Winder50
Presser Foot Pressure51
Thread Check Spring and Thread Regulator52
Adjusting the Thread Trimmer 900/8153
Resting Position of Roller Lever/Radial Position of Control Cam53
Thread-Catcher Height54
Thread Catcher Position55
Knife Height56
Knife Pressure57
Bobbin-Thread Retaining Spring58
Thread Catcher Transmission Crank59
Tansmission Linkage60
Manual Cutting Test61
Parameter Adjustments62

Brand	Pfaff
Model	422
Category	Sewing Machine
Language	English

Pfaff 422 User Manual

Table of Contents

Questions and Answers:

Pfaff 422 Specifications

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