Table Of Contents - Pfaff Powerline 2545 Adjustment Manual

Contents ................................................................................ Page
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Adjustment ........................................................................................................................... 4
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.01 Notes on adjustment ............................................................................................................. 4
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.02 Tools, gauges and other accessories for adjusting ............................................................... 4
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.03 Abbreviations ......................................................................................................................... 4
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.04 Explanation of the symbols .................................................................................................... 4
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.05 Adjusting the basic machine .................................................................................................. 5
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.05.01 Basic position of the balance wheel (adjustment aid) ............................................................ 5
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.05.02 Balance weight ...................................................................................................................... 6
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.05.03 Zero position of the unison feed ........................................................................................... 7
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.05.04 Feeding motion of the unison feed ....................................................................................... 8
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.05.05 Lifting motion of the bottom feed dog ................................................................................... 9
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.05.06 Height of the bottom feed dog ............................................................................................ 11
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.05.07 Feeding stroke difference .................................................................................................... 12
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.05.08 Preliminary adjustment of the needle height ....................................................................... 13
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.05.09 Needle rise, hook clearance, needle height and needle guard ............................................ 14
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.05.10 Top feed stroke .................................................................................................................... 16
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.05.11 Top-feed lifting motion ......................................................................................................... 17
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.05.12 Adjusting the potentiometer for speed reduction ................................................................ 18
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.05.12.01 On machines with drive P74 ED-L
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.05.12.02 On machines with drive PF 321
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.05.13 Bobbin case opener stroke ................................................................................................. 19
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.05.14 Adjusting the shortened trim stitch...................................................................................... 20
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.05.15 Bobbin winder ...................................................................................................................... 21
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.05.16 Thread check spring and thread regulator ............................................................................ 22
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.05.17 Sewing foot pressure ........................................................................................................... 23
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.05.18 Lubrication ........................................................................................................................... 24
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.05.19 Limiting the stitch length ..................................................................................................... 25
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.05.20 Speed reduction ................................................................................................................... 26
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.05.21 Re-engaging the slip-clutch .................................................................................................. 27
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.06 Adjusting the thread trimmer -900/81 .................................................................................. 28
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.06.01 Resting position of roller lever/radial position of control cam .............................................. 28
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.06.02 Position and height of the thread catcher ............................................................................ 29
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.06.03 Knife pressure ...................................................................................................................... 30
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.06.04 Bobbin thread clamp spring ................................................................................................. 31
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.06.05 Manual cutting test .............................................................................................................. 32
........................................................................................ 19
........................................................................................... 19
Index