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General| Brand | Singer |
|---|---|
| Model | 51W19 |
| Category | Sewing Machine |
| Language | English |
Stresses the necessity of genuine Singer parts and needles for successful operation.
Explains how to identify genuine needles ('SIMANCO') and warns against non-genuine ones.
Details the features and applications of the 52w19, 52w21, and 52w22 sewing machines.
Specifies the maximum recommended speed for the sewing machines.
Warns to oil the machine thoroughly before initial operation.
Details oiling points on the face plate, top bearings, and associated adjustments.
Explains how to oil the base, hook race, and felt pads near the bobbin case.
Covers needle class, sizing, thread type, and how to thread the needles.
Step-by-step guide for correctly setting the needles in the needle holder.
Instructions on how to properly remove bobbins from the bobbin case.
Step-by-step guide on how to wind thread onto a bobbin.
Instructions on placing the bobbin into the case and threading the thread through the tension mechanism.
Guidance on adjusting tension screws for even thread winding and correct tension.
Details on how to replace both the right and left bobbin case caps.
Step-by-step instructions for threading the upper thread for both needles.
Instructions for adjusting the thread lubricator for satisfactory results.
Guidance on replenishing lubricant and adjusting the felt pad holder for lubrication amount.
Steps to draw up needle and bobbin threads before commencing sewing.
Procedure for stopping the machine and removing the finished work.
Instructions on how to adjust the pressure of the roller presser or presser foot.
Explains ideal stitch tension and how incorrect tensions affect the stitch appearance.
How to adjust the length of the stitch using the thumb screw on the balance wheel.
Adjusting the thread controller spring for optimal slack management.
Procedure for adjusting the height of the feed dog for optimal stitch formation.
Instructions for setting the needle bar to ensure correct hook timing.
How to check and adjust the timing of the sewing hooks relative to the needle.
Guidance on moving sewing hooks for proper relation with the needles.
Steps to change the gauge by altering needle holder, throat plate, and shims.
Instructions for removing and replacing the belt within the machine arm.
Procedure for removing the sewing hooks from the machine.
Guidance on adjusting needle guards to prevent hook striking the needle.
How to adjust the bobbin case lever for proper opening and function.
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