Pfaff 1246 - Manual (Page 5)

Index
Contents ............................................................................... Chapter - Page
11 .03 Abbreviations .............................................................................................................. 11 - 1
11 .04 Adjusting the basic machine ................................................................................... 11 - 2
11 .04.01 Positioning the feed dog across the direction of sewing .............................................. 11 - 2
11 .04.02 Positioning the feed dog in the direction of sewing ..................................................... 11 - 3
11 .04.03 Height of the bottom feed-dog .................................................................................... 11 - 4
11 .04.04 Pre-adjusting the needle height ................................................................................... 11 - 5
11 .04.05 Centering the needle in the needle hole ...................................................................... 11 - 6
11 .04.06 Lifting motion of the bottom feed-dog ......................................................................... 11 - 7
11 .04.07 Driving motion of the bottom and top feeds ................................................................ 11 - 8
11 .04.08 Hook-to-needle clearance, needle rise, needle height and needle guard ...................... 11 - 9
11 .04.09 Top-feed stroke ............................................................................................................ 11-11
11 .04.10 Lifting motion of the top feed ....................................................................................... 11-12
11 .04.11 Bobbin-case opener ..................................................................................................... 11-13
11 .04.12 Safety clutch ............................................................................................................... 11-14
11 .04.13 Needle thread tension release ...................................................................................... 11-15
11 .04.14 Thread check spring .................................................................................................... 11-16
11 .04.15 Thread check spring on PFAFF 1246 with thread trimmer -900/56 ............................... 11-17
11 .04.16 Bobbin winder ............................................................................................................. 11-18
11 .04.17 Presser-foot pressure .................................................................................................. 11-19
11 .05 Adjusting the thread trimmer -900/56 ........................................................................ 11-20
11 .05.01 Pre-adjusting the control cam ...................................................................................... 11-20
11 .05.02 Tripping lever ............................................................................................................... 11-21
11 .05.03 Pawl ............................................................................................................................ 11-22
11 .05.04 Engaging solenoid ........................................................................................................ 11-23
11 .05.05 Release trip ................................................................................................................. 11-24
11 .05.06 Engaging lever ............................................................................................................. 11-25
11 .05.07 Linkage rod .................................................................................................................. 11-26
11 .05.08 Final adjustment of the control cam ............................................................................. 11-27
11 .05.09 Catch ........................................................................................................................... 11-28
11 .05.10 Connecting rod (for PFAFF 1246 only) .......................................................................... 11-29
11 .05.11 Thread-catcher height .................................................................................................. 11-30
11 .05.12 Knife ............................................................................................................................ 11-31
11 .05.13 Thread catcher reverse position ................................................................................... 11-32
11 .05.14 Bobbin-thread clamp spring ......................................................................................... 11-34
11 .05.15 Tension release bar ..................................................................................................... 11-36
11 .05.16 Positioner .................................................................................................................... 11-38
12 Wearing parts ........................................................................................................... 12 - 1