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General| Brand | Pfaff |
|---|---|
| Model | 1051 |
| Category | Sewing Machine |
| Language | English |
Safety warnings regarding working area, reaching into sewing area, and objects on the table.
Operation by trained personnel, following instructions, using safety devices, and power disconnection for maintenance.
Lists technical specifications like stitch type, needle system, dimensions, and speeds.
Procedure for inserting the needle, including safety warnings and system types.
Steps for winding bobbin thread and adjusting its tension with safety notes.
Detailed steps for removing and inserting the bobbin case, with safety warnings.
Procedure for threading the needle and adjusting needle thread tension.
Inserting the bobbin, threading it, and adjusting bobbin thread tension.
Use of blocking pins and adjustment gauges for machine positioning during adjustments.
Procedures for adjusting the fundamental mechanical settings of the machine.
Procedure to preadjust the needle height based on specific alignment requirements.
Adjusting the bottom feed dog to its highest position and control cam alignment.
Centering and setting the height of the bottom feed dog using an adjustment gauge.
Adjusting the needle to penetrate the needle hole precisely in the center.
Ensuring the needle enters exactly in the center of the needle hole.
Aligning the hook shaft bearing and checking gear backlash for proper operation.
Adjusting multiple clearances and positions for hook, needle, and bobbin case.
Adjusting thread check spring motion and slack thread regulator for proper tensioning.
Adjusting the knee lever stop to ensure proper presser foot lift height.
Adjusting the bobbin winder for reliable engagement, disengagement, and automatic shut-off.
Adjusting presser foot pressure for reliable material feeding without marking.
Adjusting the needle bar stroke and re-adjusting needle height and speed limits.
Procedures for adjusting the edge trimmer mechanism.
Procedures for adjusting the thread trimmer mechanism.
Aligning the thread catcher tip to the needle center and ensuring horizontal position.
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