Juki DDL 227 Sewing Machine and Adjustments Manual BASIC REPAIRS CONTENTS SECTION Repairs and Adjustments Bobbin Base Replacement 1:1 Bobbin Base Retainer 1:3 Check Spring Adjustment 2:1 Check Spring Replacement 2:2 Feed Setting 3:1 Hook Timing 5:1 Needlebar Settings 6:2 Needle Insertion 6:4 Needle Types/Sizes 6:5 Needles Using The Correct Type and Size 6:6 Needle Design 6:7 Stitch Formation 12:1 Tension (Lower) 13:2 Tension (Upper) 13:3 Thread Types/Sizes 14:1 Threading Machine (UPPER) 14:3 Fault Finding Miss Stitching 17:6 Needles Break 17:9 Tension LOWER 17:14 Tension UPPER 17:15 Thread Breaking 17:16 Thread Cobbling Under Materials 17:17 Thread Fraying 17:18 Parts Description Inner Machine UPPER 20:5 Inner Machine LOWER 20:6 Easy to read exploded views to make easy identification, careful disassembly, accurate adjustment, and correct repairs. All sections are neatly organized in Adobe Acrobat, very clean, sharp images that are scalable to several times normal size. Tons of crystal clear illustrations, specifications, lots of pictures, step-by- step instructions, special tool info etc. This is like the original manual the only difference is this one is not paper, You get it, Zoom it, print it, save it, close it. Print a few pages at a time, as you need; no need to lug that bulky binder around anymore!