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General| Brand | Pfaff |
|---|---|
| Model | 151 |
| Category | Sewing Machine |
| Language | English |
Explains basic principles and steps for operating the sewing machine.
Lists various needle systems used for different Pfaff machine classes.
Describes different needle point types for various fabric types and stitches.
Explains how needle and thread sizes are dependent on fabric and thread weights.
Instructions for safely removing and inserting a new needle into the sewing machine.
Step-by-step guide for threading the needle from the spool to the needle eye.
Procedure to bring the bobbin thread up through the needle hole to the top.
Explains how to adjust upper and lower thread tensions for balanced stitching.
Details how to adjust the stitch length using the feed regulator lever.
Instructions for adapting presser foot pressure to different material thicknesses.
Procedure for thoroughly cleaning the sewing hook and hook raceway.
Explains the safety clutch mechanism preventing damage from thread jamming.
Details how to regulate stitch length on specific Pfaff models using feed gears.
Explains how to exchange feed gears to set stitch length on specific Pfaff models.
Details how to adjust the trimmer knife for proper cutting on specific Pfaff models.
Explains how to engage and disengage the trimmer mechanism on specific Pfaff models.
Describes regulating stitch length on wheel-feed machines under the bedplate.
Details how to exchange alternating pressers on Pfaff machines 145.
Details specific lubrication points for Pfaff machines 145 with alternating pressers.
Explains how to adapt the foot lift to material thickness on Pfaff machines 145.
Notes that general instructions apply to Pfaff machines 151 and 153.
Guides threading the left and right needles on specific Pfaff models.
Details threading the needle for Pfaff 543-712/01 and 543-712/02 machines.
Explains setting foot lift and adjusting rear folder for Pfaff 546-748/01.
Details adjusting the puller feed on Pfaff 546-748/01 for material handling.
Guides threading the needle for Pfaff 4141 and 4145 machines.
Explains the functions and positions of the sewing machine pedal.
Describes the finger guard protecting the operator from needle injury.
Explains the take-up lever guard for safety compliance.
Details the belt guard covering the balance wheel belt entrance.
Describes the guard covering the belt below the tabletop.
Discusses common causes and remedies for skipped stitches.
Outlines reasons and solutions for thread breakage during sewing.
Covers causes and remedies for incorrect or faulty stitch formation.
Details causes and remedies for needle breakage during operation.
Explains causes and solutions for the machine binding or seizing up.
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