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!