Pfaff 3801-3/07

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Circuit diagrams

Version 01.09.05 91-191 495-95

Page 1

Main Page

Table of Contents3
Contents4
Directives7
General Notes on Safety7
Safety7
Important Points for the User8
Safety Symbols8
Operating and Specialist Personnel9
Operating Personnel9
Specialist Personnel9
Danger10
Proper Use11
Specifications12
Disposal of Machines13
Disposal of the Packaging14
Storage14
Transport to the Customer's Premises14
Transport Within the Customer's Premises14
Transport, Packaging and Storage14
Explanation of the Symbols15
Controls16
Main Switch16
Pedal16
Knee Switch17
Lever for Lifting the Presser Foot17
Edge Guide18
- Lever for Retracting the Tape-Feeding Unit (Only on the PFAFF 3801-11/071)18
Reverse-Feed Control Lever19
Control Panel20
Adjusting the Table-Top Height21
Mounting21
Mounting and Commissioning the Machine21
Fitting the Upper Belt Guard22
Tightening the V-Belt22
Fitting the Synchronizer23
Mounting the Bottom V-Belt Guard23
Connecting the Plug-In Connections and Earth Cables24
Fitting the Reel Stand25
Commissioning26
Switching the Machine On/Off26
Inserting the Needle27
Preparation27
Threading the Needle Thread and Regulating Its Tension28
Threading the Looper Thread and Regulating Its Tension29
Threading the Bridle Tape (on the PFAFF 3801-11/071)30
Setting the Seam Depth31
Threading the Bridle Tape (on Thepfaff 3801-3/07 and -3/071)32
Inputting Fullness33
Selecting the Program Number33
Entering / Altering the Code Number34
Entering the Seam Parameter36
Adjusting the Control Panel38
Manual Sewing39
Sewing39
Sewing with Fixed Programs41
Programmed Sewing43
Fullness Adjustment44
Program Interruption45
Selecting the Garment Size45
Error Messages46
Input47
Seam Program Input48
Seam Program Input with the "Creating/Adjusting a Program" Function50
Seam Program Input with the "Teach-In" Function52
Creating/Adjusting a Program" Function54
Example of a Seam Program Input Using the54
Examples of How to Create Seam Programs54
Example of a Seam Program Input Using the "Teach-In" Function56
Seam Program Administration59
Care and Maintenance61
Cleaning61
Cleaning/Lubricating the Top Feed Joints62
Machine Oil Level62
Checking/Adjusting the Air Pressure63
Cleaning the Air Filter of the Air-Filter/Lubricator63
Abbreviations64
Adjustment64
Notes on Adjustment64
Tools, Gauges and Other Accessories for Adjusting64
Checking and Adjusting Aids65
Adjusting the Basic Machine66
Basic Position of the Machine66
Position of Needle to Needle Hole67
Pre-Adjusting the Needle Height68
Neutral Position of the Main Feed Dog69
Zero Position of the Differential Feed Dog70
Feeding Motion of Main- and Differential Feed Dogs71
Lifting Motion of Main- and Differential Feed Dogs72
Position of Main- and Differential Feed Dogs73
Zero Position of Feeding Presser74
Front Driving Link of Feeding-Presser Drive75
Positioning the Lifting Presser76
Feeding Motion of the Top Feed Dog78
Lift of Feeding Presser79
Lifting Stroke of Feeding Presser80
Stitch Length Limitation81
Basic Setting of the Differential Adjustment Device82
Looper Avoiding Motion83
Looper Height and Looper Angle (for the 3801-3/07)84
Looper Height and Looper Angle (for the 3801-3/071 and -11/071)85
Distance of the Looper from the Needle (in Sewing Direction)86
Looper-To-Needle Clearance (Crosswise to Sewing Direction)87
Looper Motion88
Final Adjustment of the Needle Height89
Height of Rear Needle Guard90
Clearance between the Rear Needle Guard and the Needle91
The Looper-Eccentric Guard92
Position of the Front Needle Guard93
Needle Thread Puller94
Basic Setting of the Needle Thread Regulator and the Thread Guide95
Looper Thread Regulators96
Looper Thread Puller97
Top Feed and Presser Foot Pressure98
Adjusting the Thread Trimmer99
- Only on the PFAFF 3801-3/071 and -11/07199
Preadjusting the Thread Catcher99
Ball Pin Position100
Thread Catcher Position with Respect to Needle101
Thread Catcher Guard102
Tension Release103
Trimmer Test104
Adjusting the Knife105
Adjusting the Tape Feeding Device105
Setting the Evaluation Function of the Photoelectric Beam106
Adjusting the Air Jets107
Fastening the Light Guides108
Overview of the Parameter Functions109
Parameter Settings109
Example of a Parameter Input110
List of Parameters111
Sewing Motor Errors113
Explanation of the Error Messages114
Table of Inputs115
Table of Outputs115
Service Menu116
Carry out a Cold Start117
Internet Update of the Machine Software118
Wearing Parts119
Circuit Diagrams121

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