Pfaff 1571 - Page 138

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General plan - circuit diagrams

Version 25.11.03

91-191 442-95

Part 2

Main Page

Table of Contents3
Safety7
Directives7
General Notes on Safety7
Safety Symbols8
Important Points for the User8
Operating and Specialist Personnel9
Operating Personnel9
Specialist Personnel9
Danger10
Proper Use11
Specifications12
Pfaff 1571, 1574, 159112
Needles and Threads13
Possible Models and Subclasses13
Disposal of Machine14
Transportation, Packing and Storage15
Transportation to Customer's Premises15
Transportation Inside the Customer's Premises15
Disposal of Packing Materials15
Storage15
Explanation of Symbols16
Controls17
Main Switch17
Keys on the Machine Head17
Bobbin Thread Monitoring with Stitch Counting18
Pedal18
Knee Switch19
Knee Lever19
Lever for Raising the Roller Presser20
Swing out Roller Presser20
Edge Trimmer -725/04 for 157121
Edge Trimmer -725/04 for PFAFF 1574 and 159122
Edge Trimmer -726/05 for PFAFF 159123
Control Panel24
Displays on the Screen24
Function Keys24
Adjusting the Table Height27
Installation and Commissioning27
Installation27
Fitting the Tilt Lock28
Fitting the Machine Cover28
Mounting the Flange Motor29
Mounting the Flange Motor to the Bearing Plate29
Mounting the Flange Motor to the Machine29
Connecting the Plug-In Connections and Earth Cables30
Mounting the Toothed Belt / Basic Position of the Machine Drive Unit on the 1571 and 159131
Mounting the Toothed Belt / Basic Position of the Machine Drive Unit on the 157433
Mounting the Belt Guard of the Flange Motor35
Connecting the Safety Switch36
Checking the Function of the Start Inhibitor36
Tilted Work Base37
Table Top Cutout38
Fitting the Reel Stand39
Commissioning39
Switching the Machine On/Off39
Setting up40
Inserting the Needle on Model PFAFF 1571 and 159140
Inserting the Needle on Model 157440
Winding the Bobbin Thread; Adjusting the Primary Thread Tension41
Removing/Inserting the Bobbin Case42
Threading the Bobbin Case/Adjusting the Bobbin Thread Tension42
Threading the Needle Thread and Regulating Its Tension on43
Model 1571 and 159143
Threading the Needle Thread and Regulating Its Tension on Model 157444
Entering the Stitch Length45
Entering the Standard Stitch Length45
Entering a Second Stitch Length or Amount of Fullness45
Entering the Start and End Backtacks46
Entering/Changing the Code Number47
Setting the Stitch Count Function for Bobbin Thread Control49
Sewing50
Manual Sewing50
Programmed Sewing51
Program Interruption52
Error Messages53
Input54
Summary of the Functions in the Input Mode54
Summary of the Parameter Functions54
Summary of the Seam Program Inputs55
Seam Program Input Variants57
Altering Existing Seam Programs58
Deleting Seam Programs61
Seam Programming Examples62
An Example for Seam Program Input62
Seam Input Example Using the Teach in Method69
Care and Maintenance73
Cleaning73
Oiling the Hook74
Checking the Oil Levels74
Filling the Oil Reservoir of the Thread Lubrication Unit75
Oiling the Edge Trimmer -726/0575
Lubricating the Bevel Gears76
Adjustment77
Notes on Adjustment77
Tools, Gauges and Other Accessories77
Abbreviations77
Adjusting the Basic Machine78
Needle Position in the Direction of Sewing on the PFAFF 1571 and 159178
Positioning the Needle in the Direction of Sewing PFAFF 157479
Limiting the Needle Bar Frame on the PFAFF 1591 and 157180
Preadjusting the Needle Height81
Needle Rise, Hook Clearance, Needle Height and Needle Guard on the PFAFF 157182
Needle Rise, Hook Clearance, Needle Height and Needle Guard on the PFAFF 157484
Needle Rise, Hook Clearance, Needle Height and Needle Guard on the PFAFF 159186
Needle Position Crosswise to Sewing Direction on the PFAFF 157188
Needle Position Crosswise to Sewing Direction on the PFAFF 157489
Needle Position Crosswise to Sewing Direction on the PFAFF 159190
Height and Stroke of the Bobbin Case Opener91
Height of the Feed Wheel on the PFAFF 157192
Height of the Feed Wheel on the PFAFF 157493
Height of the Feed Wheel on the PFAFF 159194
Clearance between Roller Presser and Feed Wheel95
Roller-Presser96
Retainer (Only on the PFAFF 1574)97
Automatic Presser-Foot Lifter98
Knee Lever99
Tension Release100
Thread Check Spring (PFAFF 1571 and 1591)101
Thread Check Springs (PFAFF 1574)102
Bobbin Winder103
Roller-Presser Pressure104
Lubrication105
Re-Engage Safety Coupling106
Adjusting the Edge Trimmer -725/04107
Position of the Knife Holder on Model 1571107
Position of the Knife Holder on Models 1574 and 1591108
Knife Stroke on Model 1571109
Knife Stroke on Models 1574 and 1591110
Cutting Stroke on Model 1571111
Cutting Stroke on Models 1574 and 1591112
Knife Position113
Adjusting the Thread Trimmer -726/05 on Model 1591114
Position of the Knife to the Needle Plate114
Knife Position Crosswise to Sewing Direction115
Knife Height116
Cutting Stroke117
Knife Stroke118
Adjusting the Thread Trimmer -900/81119
Resting Position of the Roller Lever / Radial Position of the Control Cam119
Position of the Thread Catcher Holder120
Distance between Thread Catcher and Needle Plate121
Position of the Thread Catcher122
Knife Position and Knife Pressure123
Bobbin Thread Retaining Spring124
Manual Cutting Test125
Linkage Rod (Only for the PFAFF 1574)126
Parameter Settings127
Parameter Input Example127
List of Parameters128
Explanation of the Error Messages131
Warning Messages131
Carrying out a Cold Start132
Internet Update of the Machine Software133
Wearing Parts134
Circuit Diagrams136

Pfaff 1571 - Page 138

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