Singer 31-17 User Manual

Specifies use for all manufacturing sewing machines except where stainless oil is desired.

Specifies use for manufacturing sewing machines where stainless oil is desired.

For oil-lubricated motors, power tables, transmitters, and machinery.

For lubricating the needle thread where a stainless lubricant is required.

Specially prepared grease recommended for gear lubrication on manufacturing sewing machines.

Pure grease designed for lubricating ball bearings and ball thrust bearings.

Ensures successful operation and longevity of Singer machines.

Details machine features like oscillating shuttle, feed types, and clear space.

Information on needle class, variety, sizes, and ordering requirements.

Instructions for applying oil to ensure easy running and prevent wear.

Guidance on needle thread type and how to determine thread twist.

Procedure for correctly positioning and tightening the needle in the clamp.

Step-by-step instructions for threading the needle and associated parts.

Instructions on how to remove the bobbin case and the bobbin.

Procedure for winding thread onto the bobbin using the winder.

Detailed steps for threading the bobbin case correctly.

Guidance on correctly inserting the threaded bobbin case back into the machine.

Steps to draw up the bobbin thread to prepare for stitching.

Instructions on placing material and starting the sewing process.

Procedure for finishing sewing and removing the stitched material.

How to adjust needle and bobbin thread tensions for a perfect stitch.

Procedure for setting the needle bar height relative to the shuttle.

Steps to remove the feed assembly from the machine.

Instructions for removing and reinstalling the shuttle race.

Procedure for adjusting the feed wheel height on Machine 31-18.

Procedure for adjusting the feed dog height on Machines 31-17 and 31-21.

How to synchronize the feeding mechanism with the needle movement.

Procedure for setting the thread take-up spring for correct tension.