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General| Type | Industrial Sewing Machine |
|---|---|
| Stitch Type | Lockstitch |
| Stitch Options | Straight Stitch |
| Needle Positions | Center, left, right |
| Presser Feet | zipper foot |
| Included Accessories | Needles, bobbins, oil, screwdriver, knee lifter |
Identifies PFAFF sewing machine models 571, 574, and 591.
Compliance with European regulations and statutory safety requirements.
Key safety principles for operating the sewing machine.
Understanding safety symbols and user responsibilities.
Safety duties for operating and specialist personnel.
Identification of specific hazards and dangers during machine operation.
Detailed technical data for PFAFF models 571, 574, 591.
Recommended needle types and thread specifications.
Overview of available models, subclasses, and additional equipment.
Guidelines for transporting machines to customers and within facilities.
Advice on proper storage of the machine.
Operation of the main power switch.
Functionality of keys on the machine head.
Details on the bobbin thread monitoring system.
Operation of the foot pedal for control.
Using levers to control the roller presser.
Using the key to set the stitch length.
Operating and changing the edge trimmer on model 571.
Operating and changing the edge trimmer on models 574/591.
Operating and changing the edge trimmer on model 591.
Guidelines for site selection and table height adjustment.
Fitting safety mechanisms and drive components like V-belts.
Attaching flange motor components and V-belt guards.
Mounting the synchronizer and fitting the reel stand.
Steps for attaching the flange motor to the machine.
Fitting and tensioning the toothed belt and mounting the guard.
Connecting safety switches and earth cables.
Setting the drive unit position and details for a tilted work base.
Diagram and dimensions for cutting the machine table top.
Procedures for final checks and starting the machine.
Procedures for inserting needles into models 571 and 591.
Procedures for inserting needles into model 574.
Steps for winding bobbins and setting primary thread tension.
Procedure for removing, inserting, and threading the bobbin case.
Guide to threading the needle and setting tension for models 571/591.
Guide to threading the needle and setting tension for model 574.
Setting the stitch length using the scale and balance wheel.
Configuring the stitch counting for bobbin thread monitoring.
Cleaning procedures for key machine parts like the hook.
Oiling the hook and checking the oil bowl.
Filling thread lubrication unit and oiling edge trimmer.
Instructions for lubricating the bevel gears annually.
Checking and adjusting air pressure for pneumatic components.
Cleaning the air filter and draining the water bowl.
Prerequisites, tools, and abbreviations for performing adjustments.
Setting synchronizer and needle positions for basic operation.
Setting the correct needle position in the sewing direction for models 571/591.
Setting the correct needle position in the sewing direction for model 574.
Initial adjustment of the needle bar height at TDC.
Adjusting needle rise, hook clearance, and guard on PFAFF 571.
Adjusting needle rise, hook clearance, and guard on PFAFF 574.
Adjusting needle rise, hook clearance, and guard on PFAFF 591.
Adjusting the needle's lateral position for model 571.
Adjusting the needle's lateral position for model 574.
Adjusting the needle's lateral position for model 591.
Adjusting the height and stroke of the bobbin case opener.
Setting the correct height for the feed wheel on PFAFF 571.
Setting the correct height for the feed wheel on PFAFF 574.
Setting the correct height for the feed wheel on PFAFF 591.
Adjusting the eccentric mechanism for stitch length control.
Aligning the stitch length scale disk for accurate setting.
Adjusting the shaft crank for the feed wheel drive.
Adjusting the shaft crank for the roller presser drive.
Setting the correct clearance between the roller presser and feed wheel.
Adjusting the roller presser's position and parallelism.
Verifying stitch length accuracy against the scale.
Ensuring proper synchronization between roller presser and feed wheel.
Specific adjustments for the retainer on model 574.
Adjusting the knee lever mechanism for proper operation.
Adjusting the needle thread tension release mechanism.
Adjusting the thread check spring for models 571 and 591.
Adjusting the thread check springs for model 574.
Adjusting the bobbin winder for reliable operation and automatic shut-off.
Adjusting the roller presser pressure for smooth material feeding.
Checking and adjusting oil flow for proper lubrication.
Procedure to re-engage the safety coupling after thread jams.
General adjustments for the edge trimmer -725/04.
Setting the correct position of the knife holder on models 574 and 591.
Adjusting the cutting stroke of the knife on model 571.
Adjusting the cutting stroke of the knife on models 574 and 591.
Setting the cutting stroke of the knife on model 571.
Setting the cutting stroke of the knife on models 574 and 591.
Adjusting the knife's resting position and ensuring no whistling sound.
Adjustments for the thread trimmer -726/05 on model 591.
Ensuring the knife is vertical and lightly contacts the needle plate insert.
Adjusting the knife height to match the upper edge of the needle plate.
Setting the cutting stroke of the thread trimmer.
Adjusting the cutting stroke range of the thread trimmer.
Adjustments for the thread trimmer -900/81.
Adjusting the position of the thread catcher holder.
Ensuring the thread catcher does not exceed the needle plate edge.
Setting the correct position and distance of the thread catcher.
Adjusting the knife's position and setting the minimum knife pressure.
Adjusting the bobbin thread retaining spring for reliable thread holding.
Performing a manual test of the cutting operation.
Adjusting the mechanism that releases thread tension when activated.
Adjusting linkage rods for parallel drive levers on model 574.
Adjusting the backtacking mechanism for models with -911/..
Adjusting the coupling for the roller presser drive.
Adjusting bevel gears for the feed wheel drive on models 571 and 574.
Checking and adjusting bevel gear play on models 571 and 574.
Adjusting bevel gears for the feed wheel drive on model 591.
Checking and adjusting bevel gear play on model 591.
Overview of adjustable parameters on the control panel.
Details on improvements and modifications made to specific machine series.
Steps for converting the machine with new or modified parts.
Corrections for issues with the first stitches not being sewn properly.
Troubleshooting for the needle thread not being cut.
Troubleshooting for the bobbin thread not being cut.
Corrections when the needle thread is too short after trimming.
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