Index
Contents ................................................................................. Chapter - Page
13.04 Adjusting the basic machine ....................................................................................... 13 - 2
13.04.01 Positioning the needle in the direction of sewing........................................................ 13 - 2
13.04.02 Positioning the needle across the direction of sewing ................................................ 13 - 3
13.04.03 Preadjusting the needle height.................................................................................... 13 - 4
13.04.04 Needle rise, hook-to-needle clearance, needle height and needle guard..................... 13 - 5
13.04.05 Height and stroke of the bobbin case opener ............................................................. 13 - 7
13.04.06 Height of the feed wheel ............................................................................................ 13 - 8
13.04.07 Clearance between roller presser and feed wheel ...................................................... 13 - 9
13.04.08 Roller presser.............................................................................................................. 13 -10
13.04.09 Puller (only on the PFAFF 3834-14/31) ........................................................................ 13 -11
13.04.10 Roller presser height level switch ............................................................................... 13 -12
13.04.11 Automatic presser foot lift .......................................................................................... 13 -13
13.04.12 Retainer ...................................................................................................................... 13 -14
13.04.13 Thread check spring .................................................................................................... 13 -15
13.04.14 Bobbin winder .............................................................................................................13-16
13.04.15 Roller presser pressure ............................................................................................... 13 -17
13.04.16 Locking the set value transmitter................................................................................ 13 -18
13.04.17 Lubrication .................................................................................................................. 13 -19
13.04.18 Re-engage safety coupling.......................................................................................... 13 -20
13.05 Adjusting the thread trimmer –900/81......................................................................... 13 -21
13.05.01 Resting position of the roller lever / radial position of the control cam ........................ 13 -22
13.05.02 Position of the thread catcher holder .......................................................................... 13 -23
13.05.03 Distance between thread catcher and needle plate .................................................... 13 -24
13.05.04 Position of the thread catcher ..................................................................................... 13 -25
13.05.05 Knife position and knife pressure ................................................................................ 13 -26
13.05.06 Bobbin thread retaining spring .................................................................................... 13 -27
13.05.07 Manual cutting test ..................................................................................................... 13-28
13.06 Parameter settings...................................................................................................... 13 -29
13.06.01 Overview of the parameter functions ......................................................................... 13 -29
13.06.02 Example of a parameter input ..................................................................................... 13 -30
13.06.03 List of parameters....................................................................................................... 13 -31
13.07 Explanation of the error messages.............................................................................. 13 -32
13.08 Warning messages ..................................................................................................... 13 -33
13.09 Carry out a cold start................................................................................................... 13 -34
13.10 Internet update of the machine software.................................................................... 13 -35
13.11 Service menu .............................................................................................................. 13 -36
14 Wearing parts ............................................................................................................ 14 - 1
15 Circuit diagrams ........................................................................................................ 15 - 1
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