Pfaff 918 U Instruction Manual page 5

Contents ................................................................................. Chapter - Page
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.05.07 Zigzag stitch width ........................................................................................................ 12 - 9
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.05.08 Multi-stitch movement .................................................................................................12 - 10
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.05.09 Zigzag movement .........................................................................................................12 - 11
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.05.10 Needle position adjustment lever ..................................................................................12 - 12
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.05.11 Zero position of the bottom feed dog (with closed gear box) ......................................... 12 - 13
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.05.12 Zeroing the bottom feed (with open gearbox) ................................................................12 - 14
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.05.13 Feeding motion of the bottom feed dog ........................................................................12 - 15
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.05.14 Lifting motion of the bottom feed dog ...........................................................................12 - 16
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.05.15 Drive belt in the gearbox housing ..................................................................................12 - 17
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.05.16 Hook bearing bracket ....................................................................................................12 - 18
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.05.17 Hook lubrication ............................................................................................................12 - 19
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.05.18 Pre-adjusting the needle height .....................................................................................12 - 20
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.05.19 Needle rise, hook-to-needle clearance and bobbin case positioning-finger .................... 12 - 21
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.05.20 Final adjustment of the needle height ...........................................................................12 - 22
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.05.21 Bobbin case opener position ......................................................................................... 12 - 23
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.05.22 Bobbin case opener motion ..........................................................................................12 - 24
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.05.23 Bottom feed dog height ................................................................................................12 - 25
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.05.24 Presser foot to needle plate clearance .......................................................................... 12 - 26
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.05.25 Presser foot pressure ...................................................................................................12 - 27
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.05.26 Thread diverter pin ........................................................................................................ 12 - 28
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.05.27 Limiting the knee lever stroke .......................................................................................12 - 29
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.05.28 Knee lever play .............................................................................................................12 - 30
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.05.29 Bobbin winder .............................................................................................................. 12 - 31
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.06 Adjusting the thread trimmer ........................................................................................12 - 32
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.06.01 Axial position of the control cam ..................................................................................12 - 32
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.06.02 Preliminary adjustment of the control cam ...................................................................12 - 33
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.06.03 Position of the thread catcher and cutting test .............................................................. 12 - 34
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.06.04 Readjustment of the control cam ..................................................................................12 - 35
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.06.05 Needle thread tension release .......................................................................................12 - 36
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.07 Parameter settings .......................................................................................................12 - 37
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.07.01 Selecting the user level .................................................................................................12 - 37
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.07.02 Example of a parameter input .......................................................................................12 - 38
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.07.03 List of parameters ........................................................................................................ 12 - 39
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.08 Reset / Cold start .........................................................................................................12 - 40
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.09 Explanation of the error signals .....................................................................................12 - 41
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.10 Internet update of the machine software ......................................................................12 - 42
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Wearing parts .............................................................................................................13 - 1
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Circuit diagrams .........................................................................................................14 - 1
Contents