Table Of Contents - Pfaff 1181 Adjustment Manual

Contents ..................................................................................Page
13
Adjustment ........................................................................................................................... 5
13
.01 Tools, gauges and other accessories for adjusting ................................................................ 5
13
.02 Abbreviations ......................................................................................................................... 5
13
.03 Explanation of the symbols .................................................................................................... 5
13
.04 Checking and adjusting aids ................................................................................................... 6
13
.05 Adjusting the basic machine .................................................................................................. 7
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.05.01 Basic position of the machine drive ....................................................................................... 7
13
.05.02 Preadjusting the needle height .............................................................................................. 8
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.05.03 Bottom feed neutral position ................................................................................................. 9
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.05.04 Neutral position of the needle feed (only on PFAFF 1181) ................................................... 10
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.05.05 Bottom feed lifting motion ................................................................................................... 11
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.05.06 Bottom feed dog height ....................................................................................................... 12
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.05.07 Feed dog motion of bottom feed dog .................................................................................. 13
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.05.08 Feeding motion of needle feed (only on PFAFF 1181) .......................................................... 14
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.05.09 Needle in needle hole center (only on PFAFF 1183) ............................................................. 15
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.05.10 Needle to needle hole centre (on PFAFF 1181) .................................................................... 16
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.05.11 Synchronous strokes of needle- and drop feed (only on PFAFF 1181) ................................. 17
13
.05.12 Hook shaft bearing and toothed belt tension ....................................................................... 18
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.05.13 Hook lubrication .................................................................................................................. 19
13
Needle rise, hook-to-needle clearance, needle height and
.05.14
bobbin case position fi nger
13
.05.15 Thread check spring and slack thread regulator ................................................................... 21
13
.05.16 Position of knee lever ........................................................................................................... 22
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.05.17 Knee lever stop .................................................................................................................... 23
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.05.18 Bobbin winder ...................................................................................................................... 24
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.05.19 Limiting the stitch length ..................................................................................................... 25
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.05.20 Presser foot pressure .......................................................................................................... 26
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.05.21 Modifying the needle bar stroke .......................................................................................... 27
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.06 Adjusting the edge trimmer -731/01 ................................................................................... 28
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.06.01 Zero position of the knife ..................................................................................................... 28
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.06.02 Cutting motion ..................................................................................................................... 29
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.06.03 Knife height .......................................................................................................................... 30
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.06.04 Cutting angle of the knife ..................................................................................................... 31
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.06.05 Knife position in sewing direction ........................................................................................ 32
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.06.06 Knife position crosswise to sewing direction ...................................................................... 33
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.07 Adjusting the thread trimming device -900/24 ..................................................................... 34
13
.07.01 Adjusting the solenoid / preliminary adjustment of the control cam ................................... 34
13
.07 .02 Lateral alignment of the thread catcher ............................................................................... 35
13
.07 .03 Knife position ....................................................................................................................... 36
13
.07 .04 Front point of reversal of the thread catcher ........................................................................ 37
13
.07 .05 Manual trimming check ........................................................................................................ 38
13
.07 .06 Needle thread tension release ............................................................................................. 39
13
.07 .07 Readjusting the control cam ................................................................................................ 40
.............................................................................................. 20
Index