Guidebook for Sailrite Ultrafeed LS-1 & LSZ-1 is written to equip Ultrafeed owners with the knowledge and instructions necessary to maintain their own machine. The Ultrafeed manual is a comprehensive beautiful full color guidebook complete with important sewing machine set-up information, helpful hints, and detailed parts schematics featuring high resolution photography. Machine timing procedures included. Easy to understand and very comprehensive. Simply a must-have for all Ultrafeed owners! Included with all new Ultrafeed LSZ-1 and LS-1 machines.