Pfaff 591 - Page 115

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Instruction Manual1
Table of Contents3
Safety6
Directives6
General Notes on Safety6
Safety Symbols7
Important Points for the User7
Operating and Specialist Personnel8
Operating Personnel8
Specialist Personnel8
Danger9
Proper Use10
Specifications11
Pfaff 571, 574, 59112
Needles and Threads12
Possible Models and Subclasses12
Disposal of Machine13
Transportation, Packing and Storage14
Transportation to Customer's Premises14
Transportation Inside the Customer's Premises14
Disposal of Packing Materials14
Storage14
Explanation of Symbols15
Controls16
On/Off Switch16
Keys on the Machine Head (Only for Machines with -91116
Bobbin Thread Monitoring with Stitch Counting17
Pedal17
Lever for Lifting Roller Presser18
Knee Lever18
Key for Setting Stitch Length19
Swing out Roller Presser19
Edge Trimmer -725/04 for 57120
Edge Trimmer -725/04 for 574 and 59121
Edge Trimmer -726/05 for 59122
Installation and Commissioning23
Installation23
Adjusting the Table Height23
Fitting the Tilt Lock24
Adjusting the V-Belt Tension (Does Not Apply to Machines with Flange Motor)24
Mounting the Lower V-Belt Guard (Does Not Apply to Machines with Flange Motor)25
Mounting the Synchronizer (Does Not Apply to Machines with Flange Motor)26
Fitting the Reel Stand26
Mounting the Flange Motor27
Mounting the Flange Motor to the Bearing Plate27
Mounting the Flange Motor to the Machine27
Mounting the Toothed Belt and Adjusting the Tension28
Mounting the Belt Guard of the Flange Motor28
Connecting the Safety Switch29
Connecting the Earth Cable29
Basic Position of the Machine Drive Unit30
Tilted Work Base30
Table Top Cutout31
Commissioning32
Switching the Machine On/Off32
Setting up33
Inserting the Needle on Model 571 and 59133
Inserting the Needle on Model 57434
Winding the Bobbin Thread; Adjusting the Primary Thread Tension35
Removing/Inserting the Bobbin Case36
Threading the Bobbin Case/Adjusting the Bobbin Thread Tension36
Threading the Needle Thread and Regulating Its Tension on Model 571 and 59137
Threading the Needle Thread and Regulating Its Tension on Model 57438
Setting the Stitch Length39
Setting the Stitch Counting Function for Bobbin Thread Monitoring40
Care and Maintenance41
Cleaning41
Oiling the Hook42
Oil Bowl for Hook Lubrication42
Filling the Oil Reservoir of the Thread Lubrication Unit43
Oiling the Edge Trimmer -726/0543
Lubricating the Bevel Gears44
Checking/Adjusting the Air Pressure45
Cleaning the Air Filter of the Air-Filter/Lubricator46
Adjustment47
Notes on Adjustment47
Tools, Gauges and Other Accessories47
Abbreviations47
Adjusting the Basic Machine48
Adjusting the Synchronizer (Does Not Apply to Machines with Flange Motor)48
Needle Position in Sewing Direction on the PFAFF 571 and 59149
Needle Position in Sewing Direction on the PFAFF 57450
Preliminary Adjustment of the Needle Height51
Needle Rise, Hook Clearance, Needle Height and Needle Guard on the PFAFF 57152
Needle Rise, Hook Clearance, Needle Height and Needle Guard on the PFAFF 57454
Needle Rise, Hook Clearance, Needle Height and Needle Guard on the PFAFF 59156
Needle Position Crosswise to Sewing Direction on the PFAFF 57158
Needle Position Crosswise to Sewing Direction on the PFAFF 57459
Needle Position Crosswise to Sewing Direction on the PFAFF 59160
Height of the Feed Wheel on the PFAFF 57162
Height of the Feed Wheel on the PFAFF 57463
Height of the Feed Wheel on the PFAFF 59164
Stitch Length Control Eccentric65
Stitch Length Scale Disk66
Shaft Crank to Feed Wheel Drive67
Shaft Crank to Roller Presser Drive68
Clearance between Roller Presser and Feed Wheel69
Roller Presser70
Stitch Length on Stitch Length Scale71
Synchronization of Roller Presser and Feed Wheel72
Retainer (Only on Model 574)73
Knee Lever74
Needle Thread Tension Release75
Thread Check Spring (PFAFF 571 and 591)76
Thread Check Springs (PFAFF 574)77
Bobbin Winder78
Pressure of Roller Presser79
Lubrication80
Re-Engage Safety Coupling81
Adjusting the Edge Trimmer -725/0482
Knife Stroke on Model 57184
Knife Stroke on Models 574 and 59185
Cutting Stroke on Model 57186
Cutting Stroke on Models 574 and 59187
Knife Position88
Adjusting the Thread Trimmer -726/05 on Model 59189
Position of the Knife to the Needle Plate89
Knife Position Crosswise to Sewing Direciton90
Knife Height91
Cutting Stroke92
Knife Stroke93
Adjusting the Thread Trimmer -900/8194
Resting Position of the Roller Lever / Radial Position of the Control Cam94
Position of the Thread Catcher Holder95
Distance between Thread Catcher and Needle Plate96
Position of the Thread Catcher97
Knife Position and Knife Pressure98
Bobbin Thread Retaining Spring99
Manual Cutting Test100
Releasing the Tension101
Linkage Rod (Only for the PFAFF 574)102
Adjustment of Backtacking Mechanism -911103
Needle in Needle Hole (Only for PFAFF 571 and 591)103
Coupling for Roller Presser Drive104
Bevel Gears for Feed Wheel Drive (on the PFAFF 571 and 574)105
Bevel Gear Play (on the PFAFF 571 and 574)106
Bevel Gears for Feed Wheel Drive (on the PFAFF 591)107
Bevel Gear Play (on the PFAFF 591)108
Parameter Settings109
- Wearing Parts110
- Circuit Diagrams112

Pfaff 591 - Page 115

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