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General| Brand | Pfaff |
|---|---|
| Model | 422 |
| Category | Sewing Machine |
| Language | English |
Guidelines for safe machine operation, maintenance, and modifications by trained personnel.
Responsibilities and safety rules for personnel operating the sewing machine.
Responsibilities and safety rules for personnel performing maintenance and repairs.
Specific warnings about hazards in the sewing area, needle, and moving parts.
Defines the intended application of PFAFF 422 and 1422 machines and describes improper usage.
Explanation of the functions of the keys located on the machine head.
Details on pedal positions and their associated functions during operation.
How to use the reverse-feed control lever to sew in reverse.
Essential requirements for the installation site, including power and lighting.
Essential checks and procedures to perform before the machine is put into operation.
Detailed procedure for correctly inserting the sewing needle into the machine.
Process for winding thread onto the bobbin and adjusting bobbin winder tension.
Steps for safely removing and replacing the bobbin case.
How to thread the bobbin case and adjust the bobbin thread tension correctly.
Procedure for threading the needle with thread and setting the needle thread tensions.
Adjustments related to the fundamental operation and timing of the sewing machine.
Adjusting the feed dog's position within the needle plate cutout for correct feeding.
Setting the correct height of the feed dog relative to the needle plate surface.
Ensuring needles enter precisely in the center of the needle holes.
Final adjustments for needle rise, hook-to-needle clearance, and needle guard.
Setting the correct clearance between the presser foot and the needle plate.
Procedures for adjusting the thread trimmer mechanism (900/81).
Adjusting various machine parameters using the control panel display.
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