Pfaff 3811-11/43, Instruction Manual

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20 Presser foot settings ...................................................................................................... 38
.1 Clearance between presser foot and needle plate ......................................................... 38
.2 Presser foot stroke with the automatic presser foot lifter ............................................. 38
.3 Aligning the presser foot ................................................................................................ 40
21 Hook settings ................................................................................................................. 42
.1 Hook - lateral motion ...................................................................................................... 42
.2 Adjusting the hook height .............................................................................................. 44
.3 Adjusting the hook angle ................................................................................................ 46
.4 Hook-to-needle clearance in sewing direction ................................................................ 46
.5 Hook-to-needle clearance in hook direction (across the sewing direction) ..................... 46
.6 Hook motion .................................................................................................................. 48
.7 Needle height and hook-to-needle clearance ................................................................. 50
22 Rear needle guard .......................................................................................................... 52
.1 Adjusting the height of the rear needle guard ................................................................ 52
.2 Clearance between rear needle guard and needle ......................................................... 52
23 The hook-eccentric guard ............................................................................................... 52
24 Front needle guard ......................................................................................................... 54
.1 Adjusting the height ....................................................................................................... 54
.2 Lateral adjustment ......................................................................................................... 54
25 Needle thread puller ....................................................................................................... 56
26 Needle thread regulator ................................................................................................. 56
27 Adjustable thread guide ................................................................................................. 56
28 Hook thread regulator .................................................................................................... 58
29 Hook thread controller .................................................................................................... 58
30 Hook thread puller .......................................................................................................... 58
31 Quick adjustment of the differential for altering the gathering intensity ........................ 60
.1 Zeroing the differential quick adjustment ....................................................................... 60
.1.1 Rough adjustment at the Angle transmitter ................................................................... 60
.1.2 Fine adjustment at the poti “0” ..................................................................................... 60
.2 Key allocation for positioning the cam against the actuating lever ................................. 62
.2.1 Setting the gathering level of key “1” ............................................................................ 62
.2.2 Setting the gathering levels ........................................................................................... 62
32 Edge trimmer ................................................................................................................. 64
.1 Trimming motion ............................................................................................................ 64
.2 Zero point ....................................................................................................................... 64
.3 Knife height .................................................................................................................... 64
.4 Aligning the upper knife in sewing direction .................................................................. 66
.5 Aligning the upper knife across the sewing direction ..................................................... 66
.6 Aligning the stop eccentric ............................................................................................. 66
33 Tape brake ..................................................................................................................... 68
.1 Switching on .................................................................................................................. 68
.2 Switching off .................................................................................................................. 68
.3 Adjusting the brake intensity .......................................................................................... 68
.4 Pre-tension ..................................................................................................................... 68
34 Care and maintenance ................................................................................................... 70
.1 Sewing machine ............................................................................................................ 70
.2 Maintenance unit ........................................................................................................... 70
.3 Lubrication recommendation .......................................................................................... 71