Contents
Contents .................................................................................Chapter – Page
13.10 Preliminary adjustment of the needle height ............................................................... 13 - 8
13.11 Position of the needle plate in relation to the needle .................................................. 13 - 9
13.12 Controlling the stitch symmetry .................................................................................. 13 - 10
13.13 Sensor board of needle drive ( in dismantled state ) ................................................... 13 - 11
13.14 Basic setting of the needle drive unit .......................................................................... 13 - 12
13.15 Basic position of the work clamp
( lengthwise to the arm ) ........................................ 13 - 13
13.16 Basic position of the work clamp ( crosswise to the arm ) .......................................... 13 - 14
13.17 Upper take-up lever position ( reference position ) ...................................................... 13 - 15
13.18 Lifting elbow on work clamp ....................................................................................... 13 - 16
13.19 Work clamp stroke ...................................................................................................... 13 - 17
13.20 Lifting cylinder of the work clamp ............................................................................... 13 - 18
13.21 Cutting pressure of the knife unit ( in dismantled state ) ............................................. 13 - 19
13.22 Position of the knife bracket and lower knife stop ...................................................... 13 - 20
13.23 Upper knife stop ......................................................................................................... 13 - 22
13.24 Knife control switch .................................................................................................... 13 - 23
13.25 Knife motion ................................................................................................................ 13 - 24
13.26 Distance of knife to the needle bar ............................................................................. 13 - 25
13.27 Changing the knife / knife height ................................................................................. 13 - 26
13.28 Functional test ............................................................................................................ 13-27
13.29 Needle thread cutter ( vertical and horizontal adjustment ) ......................................... 13 - 28
13.30 Cam guide unit ............................................................................................................ 13 -29
13.31 Needle thread cutter stroke ........................................................................................ 13 - 30
13.32 Needle thread cutter switch ........................................................................................ 13 - 31
13.33 Needle thread cutter release ....................................................................................... 13 - 32
13.34 Catch ........................................................................................................................... 13 - 33
13.35 Swing out motion of the needle thread cutter ............................................................. 13 - 34
13.36 Needle bar rise and hook-to-needle clearance ............................................................. 13 - 35
13.37 Needle bar height and needle guard ............................................................................ 13 - 37
13.38 Bobbin case holder ...................................................................................................... 13 - 38
13.39 Hook lubrication .......................................................................................................... 13 -39
13.40 Knife position .............................................................................................................. 13 - 40
13.41 Knife guard ..................................................................................................................13-41
13.42 Needle thread tension release .................................................................................... 13 - 42
13.43 Needle thread puller .................................................................................................... 13 - 43
13.44 Side thread tension and slack thread regulator ........................................................... 13 - 44
13.45 Bobbin winder ............................................................................................................. 13 -45
13.46 Retainer position (only for 3119-2/63) .......................................................................... 13 - 46
13.47 Carrying out a cold start .............................................................................................. 13 - 46
13.48 Parameter settings ...................................................................................................... 13 - 47
13.48.01 Selecting and altering parameters ............................................................................... 13 - 47
13.48.02 List of parameters ....................................................................................................... 13 - 48
13.49 Error messages ........................................................................................................... 13 - 53
14.01 Wearing parts ............................................................................................................ 14 - 1
15.01 Circuit diagrams ........................................................................................................ 15 - 1