Singer CLASS 99 instruction manual If the Machine is Treadle Operated, Belt Shifter

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Class 99 & 99K

If the Machine is Treadle Operated

Loosen the hand wheel by turning motion screw L, Fig. 16, over toward you, place both feet upon the treadle and turn the hand wheel over toward you, at the same time allowing the feet to move freely and lightly with the motion of the treadle. Continue to do this until a regular and easy movement is acquired and you are able to work the treadle so that you can re-start the machine with the wheel turning toward you.

When familiar with the working movement, tighten the hand wheel by turning the stop motions screw over from you, and place a piece of material under the presser foot Q, Fig. 5. Lower the latter by means of the lifter and again work the machine without being threaded, until you are accustomed to guiding the material.

The belt should be only just tight enough not to slip. If too loose shorten and rejoin.

Belt Shifter

This device simplifies throwing off and replacing the belt. To throw off the belt, move the belt shifter to the left (see Fig. 8), working the treadle at the same time. To replace the belt, work the treadle slowly with the hand wheel turning toward you, when a revolutions or tow of the wheel will bring the belt back into its place.

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Contents Class 99 & 99K Sewing Machines Sewing Suggestions Table of Contents Instructions for Operating the MachineLight Electrical InformationTo Insert New Bulb To Remove BulbIf the Machine is Electrically Operated To Operate the Hand Machine If the Machine is Hand OperatedBelt Shifter If the Machine is Treadle OperatedProtection Against Rust Damage To Oil the Machine and Stand Class 99 & 99K Needles and Thread To Set the Needle Upper Threading To Remove the Bobbin To Wind the Bobbin Class 99 & 99K To Replace the Bobbin Class 99 & 99KTo Prepare for Sewing To Start Sewing To Start SewingTo Remove the Work To Turn a CornerBasting To Sew Bias SeamsTo Reverse the Direction of Feed To Regulate Length of StitchThread Tension To Regulate Pressure on Presser FootTo Regulate Needle Thread Tension To Regulate Needle Thread TensionTo Regulate Bobbin Thread Tension Bobbin Thread Tension Table of Contents Previous Page NextTo Adjust the Tension on the Thread Take-up Spring To Adjust the Needle Thread TensionTo Adjust the Bobbin Thread Tension To Remove the Bobbin Case To Clean the Stitch Forming MechanismRaising the Bobbin Case Latch Removing the Bobbin Case To Replace Bobbin CaseSewing Suggestions To Replace Slide PlateBreaking of Needles Might be Caused by Breaking of Bobbin Thread Might be Caused by Breaking of Needle Thread Might be Caused bySkipping of Stitches Might be Caused by Class 99 & 99K Applications Foot HemmerHemming Hemmed Seams Lace Applied over Hem Hemming with LaceInserting the Binding BinderAdjustment and Operation Binder Inside Curves Binding Curved EdgesOutside Curves Shirring Gathering FootRuffler Adjusting PointsGathering Forming and Attaching a Ruffle in One Operation Group Pleating PleatingSeam Guide Zipper Foot Skirt Zipper Corded Welting Corded Seams Buttonholer Fashion AidsBlind Stitcher Bias Gauge Joining Lace and Insertion EDGE-STITCHERTucking French SeamsQuilter To make hems from 3/16 to 15/16 inch wide Adjustable HemmerWide Hemming Tucker Darning or Embroidering Needles Darning or Embroidering