Pfaff 242 Service Manual page 5

Contents ............................................................................... Chapter - Page
11
.04.07 Driving motion of the feed dog (PFAFF 244, 1243 and 1244) .................................. 11 - 8
11
.04.08 Lifting motion of the feed dog (PFAFF 242 and 1242) ............................................. 11 - 9
11
.04.09 Lifting motion of the feed dog (PFAFF 244, 1243 and 1244) ................................... 11 - 10
11
.04.10 Basic position of the roller presser drive (only on machines with subcl. -4/01) .......... 11 - 11
11
.04.11 Synchronizing the roller presser and feed dog
(only on machines with subcl. -4/01) ....................................................................... 11 - 12
11
.04.12 Releasing the roller presser for reverse sewing
(only on machines with subcl. -4/01) ....................................................................... 11 - 13
11
.04.13 Hook-to-needle clearance, needle rise, needle height and needle guard ................. 11 - 14
11
.04.14 Bobbin-case opener ................................................................................................. 11 - 16
11
.04.15 Safety clutch ............................................................................................................ 11 - 17
11
.04.16 Clearance between presser foot / roller presser and needle plate ........................... 11 - 18
11
.04.17 Pressure of presser foot / roller presser .................................................................. 11 - 19
11
.04.18 Needle thread tension release ................................................................................. 11 - 20
11
.04.19 Thread check spring (PFAFF 1243 and on machines without -900/56) .................... 11 - 21
11
.04.20 Thread check spring (on two-needle machines with - 900/56) ................................. 11 - 22
11
.04.21 Bobbin winder .......................................................................................................... 11 - 23
11
.05 Adjusting the thread trimmer -900/56 .................................................................. 11 - 24
11
.05.01 Pre-adjusting the control cam .................................................................................. 11 - 24
11
.05.02 Tripping lever ........................................................................................................... 11 - 25
11
.05.03 Pawl ......................................................................................................................... 11 - 26
11
.05.04 Engaging solenoid .................................................................................................... 11 - 27
11
.05.05 Release trip .............................................................................................................. 11 - 28
11
.05.06 Engaging lever ......................................................................................................... 11 - 29
11
.05.07 Linkage rod .............................................................................................................. 11 - 30
11
.05.08 Final adjustment of the control cam ......................................................................... 11 - 31
11
.05.09 Catch ........................................................................................................................ 11 - 32
11
.05.10 Connecting rod (only for two-needle machines) ...................................................... 11 - 33
11
.05.11 Thread-catcher height .............................................................................................. 11 - 34
11
.05.12 Knife ......................................................................................................................... 11 - 35
11
.05.13 Thread-catcher reverse position ............................................................................... 11 - 36
11
.05.14 Bobbin-thread clamp spring ..................................................................................... 11 - 37
11
.05.15 Tension release bar .................................................................................................. 11 - 39
11
.05.16 Adjusting the synchronizer ....................................................................................... 11 - 41
11
.06 Adjusting the presser bar lifting lever with subclass -911/97 ................................... 11 - 42
11
.07 Adjusting the presser bar lifting lever without subclass -911/97 .............................. 11 - 43
Contents