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General| Brand | Pfaff |
|---|---|
| Model | 491 |
| Category | Sewing Machine |
| Language | English |
Overview of the instruction manual and identification of PFAFF machine models.
Lists the serial numbers from which this instruction manual applies.
Covers general safety rules, directives, and notes for machine operation.
Explains safety symbols and key points for user safety.
Details safety responsibilities for personnel and highlights machine danger zones.
Details stitch type, dimensions, speed, and electrical connection data.
Specifies recommended needles and thread types for various models.
Lists possible machine models and available additional equipment.
Explains the function of on/off switches and operational indicator lights.
Details operation of control buttons, pedals, and lifting levers.
Guides on operating and changing knives for edge trimmers on different models.
Covers site requirements, table height adjustment, and electrical connections.
Details fitting the tilt lock, v-belt tensioning, and installing guards and synchronizers.
Explains the process of commissioning the machine and switching it on or off.
Instructions for inserting needles correctly for models 471, 491, and 474.
Guides on winding bobbins and adjusting the primary thread tension.
Details threading the needle and regulating its tension for different models.
Explains how to set the desired stitch length using the machine's controls.
Provides instructions for daily cleaning of the hook and related components.
Details oiling the hook and filling the thread lubrication unit reservoir.
Covers checking air pressure and cleaning the air filter/lubricator unit.
Overview of adjustment principles, required tools, and common abbreviations.
Guides on adjusting the synchronizer, needle position, and needle height.
Details adjustments for the edge trimmer knife holder and stroke on various models.
Covers thread trimmer removal, control cam adjustments, and tension release.
Explains how to set parameters for the Quick-Ministop Motor via the control panel.
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