To Next PageTo Next Page
Need help?Do you have a question about the Singer 191D-20 and is the answer not in the manual?
General| Stitch Type | Lockstitch |
|---|---|
| Max Stitch Length | 5 mm |
| Needle Type | DBx1 |
| Operation | Manual |
| Type | Industrial |
Provides essential safety procedures and precautions for operating the sewing machine.
Details safe operating practices, including electrical safety and avoiding potential injuries.
Describes the high-speed straight lockstitch sewing machine and its main features.
Lists technical specifications for different models, including speed, stitch length, and needle types.
Details the motor specifications and related pulley and V-belt size requirements.
Provides dimensions for cutting a hole in the table to mount the sewing machine head.
Explains the procedure for installing the oil reservoir and its components onto the machine table.
Details the steps for installing the belt cover and bobbin winder for safety and functionality.
Instructions on how to fill and check the oil level in the reservoir for proper machine lubrication.
Guides on adjusting the oil supply to the thread take-up and needle bar crank.
Explains how to adjust the oil supply to the rotating hook for optimal lubrication.
Provides instructions on correctly inserting and securing the sewing machine needle.
Describes how to properly insert the bobbin into the bobbin case.
Step-by-step guide for threading the sewing machine, including needle and thread path.
Instructions for adjusting the stitch length using the designated dial.
Details how to adjust both needle and bobbin thread tension for proper stitching.
Guides on adjusting the thread take-up spring's stroke and pressure.
Explains how to adjust the height of the knee lifter for the presser foot.
Describes how to adjust the presser foot lifting mechanism.
Details on how to adjust the pressure applied by the presser foot.
Instructions on adjusting the feed timing for proper material feeding and stitch quality.
Guide on setting the correct height for the feed dog teeth.
Explains how to align the needle and the rotating hook for correct stitch formation.
Details on adjusting the height of the presser bar for optimal presser foot lift.
Describes how to adjust the thread take-up stroke for different material weights.
Instructions for cleaning the machine head using a soft cloth and avoiding harsh chemicals.
Guidance on lubricating the machine after periods of disuse.
Checks for safety devices, screws, belt tension, and electrical components' condition.
Lists and illustrates parts related to the sewing machine's frame and external covers.
Details components of the arm shaft and the thread take-up lever mechanism.
Illustrates and lists parts for the needle bar, upright shaft, and hook driving shaft.
Lists and diagrams the various components of the presser foot assembly.
Details the parts that constitute the feed mechanism of the sewing machine.
Lists components related to the machine's lubrication system.
Illustrates and lists parts for the oil reservoir system.
Details parts for the belt cover, bobbin winder, and thread stand.
Lists included machine accessories such as screwdrivers, needles, and oil.
