Check the listing for details. Adjusters Service Manual Singer Featherweight 221 Sewing Machine Dealer Booklet. Condition: New. Listed at 18.50 USD. New Reprint of a Singer 221 Featherweight Adjuster's Service Manual Reprint of 1935 Service Manual This is not an Operator's Manual, but makes a great companion book the Owner's Manual for advanced repairs and trouble-shooting. Index of Contents:* Arm Shaft - To Adjust Arm Shaft End Play* Belt - To Adjust Belt TensionBobbin Winder - To Adjust the Bobbin Winder - To Adjust Bobbin Winder Tension Bracket*Controller - Description and Adjustment of Foot Controller* Electrical Connections - Inspection of Electrical Connections - Wiring Diagrams* Feeding Mechanism - To Adjust Feed Dog In Throat Plate Slots - To Raise and Lower Feed Dog* Hinged Bed Extenstions - To Remove and Replace Hinged Bed Extension* Lubrication - To Lubricate Machine - To Lubricate Motor* Motor - Circuits On Which Series 3 Motor Can Be Operated - Causes of Trouble - To Remove Motor From Machine - To Reassemble and Replace Motor* Singerlight - Singerlight and Singerlight Switch Connections - Singerlight Fails to Light - To Remove and Replace the Bulb* Stitching Mechanism - To Adjust Clearance Between Rotary Hook and Needle - To Remove and Replace Rotary Sewing Hook - New Rotary Sewing Hook - To Remove and Replace Rotary Sewing Hook Shaft - New Rotary Sewing Hook Shaft - To Set Need Bar at Correct Height - To Set Needle Bar at Correct Height - To Time Rotary Sewing Hook* Thread Controlling Mechanism - To Regulate Thread Take-Up Spring - To Adjust Tension of Thread Take-Up Spring* Throat Plate - To Remove and Replace Throat Plate High Quality Reprint, Photos and Text are Clear and Concise. Cover is 110 lb, Index Cardstock Real Paper Manual, 34 Pages Including Covers. Printed in USA. Ships USPS First Class Package with Tracking.