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General| Brand | Pfaff Industrial |
|---|---|
| Model | 1245 |
| Category | Sewing Machine |
| Language | English |
Lists essential tools, gauges, and accessories required for performing sewing machine adjustments.
Defines common abbreviations used within the adjustment manual for clarity.
Explains the meaning of symbols used to highlight critical information and instructions.
Covers fundamental adjustments for the core operation and calibration of the sewing machine.
Adjusts the lateral position of the feed dog for correct alignment in the needle plate.
Adjusts the longitudinal position of the feed dog for stitch length accuracy.
Sets the vertical protrusion of the feed dog above the needle plate.
Ensures the needle pierces precisely in the center of the needle hole.
Calibrates the needle bar position at its bottom dead center (b.d.c.).
Adjusts the sliding movement of the top and bottom feed mechanisms.
Adjusts the stroke of the bottom transporter for specific machine versions.
Sets hook-to-needle clearance, needle bar rise, height, and needle guard alignment.
Sets the lift height for the presser foot and top feed.
Adjusts the stroke of the top feed mechanism for proper operation.
Adjusts the bobbin case opener to prevent thread jamming.
Explains how to re-engage the safety clutch after a thread jam incident.
Ensures proper release of needle thread tension when the presser foot is raised.
Adjusts the thread check spring for correct tension, without a thread trimmer.
Adjusts the thread check spring for machines equipped with a thread trimmer.
Adjusts bobbin winder automatic shut-off and spindle movement.
Sets presser foot pressure for optimal material transport and stitch quality.
Details adjustments for the thread trimmer mechanism (model -900/56).
Pre-calibrates the control cam for accurate thread trimmer operation.
Adjusts the tripping lever for proper engagement with the control cam.
Sets clearance between control cam and pawl in neutral position.
Adjusts the engaging solenoid for proper activation of the thread trimmer.
Adjusts the release cam for correct clearance during thread trimmer operation.
Sets clearance for the engaging lever in the basic position.
Adjusts the connecting rod for proper lever lift on the stop mechanism.
Fine-tunes control cam for thread catcher start and needle position.
Sets clearance between the catch and tripping lever in the neutral position.
Adjusts connecting rod length for the PFAFF 1246 model's thread trimmer.
Sets thread catcher height relative to hook for PFAFF 1246.
Adjusts knife position for parallel alignment and slight touch with thread catcher.
Sets thread catcher flush position with knife edge in front turning point.
Adjusts clamp spring for proper bobbin insertion and clearance.
Sets release lever clearance and ensures easy thread pulling.
Adjusts lifting lever for automatic presser foot lift on subclass -911/97.
Adjusts lifting lever for knee lever activation on machines without -911/97.
Describes how to select user levels and change machine parameters.
Outlines process and requirements for updating machine software via the internet.
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