Contents
Contents ...............................................................................Chapter - Page
9 Preparation ............................................................................................. 9 - 1
9.01 Inserting the needle ................................................................................................... 9 - 1
9.02 Winding the bobbin thread/ adjusting the thread tension .......................................... 9 - 2
9.03 Removing/Inserting the bobbin case.......................................................................... 9 - 3
9.04 Inserting the bobbin case / Adjusting the bobbin thread tension ............................... 9 - 3
9.05 Threading the needle thread / Adjusting the needle thread tension........................... 9 - 4
9.06 Adjusting the stitch length ......................................................................................... 9 - 5
10 Care and maintenance ............................................................................ 10 - 1
10.01 Cleaning the machine .............................................................................................. 10 - 1
10.02 Filling the oil reservoir (PFAFF 1183 only) ................................................................ 10 - 2
11 Adjustment ........................................................................................... 11 - 1
11.01 Notes on adjusting ................................................................................................... 11 - 1
11.02 Tools, gauges and other accessories for adjusting .................................................. 11 - 1
11.03 Abbreviations ........................................................................................................... 11 - 1
11.04 Checking and adjusting aids..................................................................................... 11 - 2
11.05 Adjusting the basic machine .................................................................... 11 - 3
11.05.01 Basic position of the machine drive (for 220 V built-in motors only) ........................ 11 - 3
11.05.02 Preadjusting the needle height ................................................................................ 11 - 4
11.05.03 Neutralizing the feed dog movement....................................................................... 11 - 5
11.05.04 Feed lifting motion ................................................................................................... 11 - 6
11.05.05 Feed dog height ....................................................................................................... 11 - 7
11.05.06 Feed dog motion...................................................................................................... 11 - 8
11.05.07 Needle in needle hole center ................................................................................... 11 - 9
11.05.08 Hook shaft bearing and backlash ............................................................................. 11 -10
11.05.09 Hook lubrication (for PFAFF 1183 only).................................................................... 11 -11
11.05.10 Needle rise, hook-to-needle clearance, needle height and bobbin case
position finger .......................................................................................................... 11 -12
11.05.11 Thread tension release (machines without -900/...) ................................................. 11 -13
11.05.12 Thread check spring and slack thread regulator....................................................... 11 -14
11.05.13 Position of knee lever .............................................................................................. 11 -15
11.05.14 Knee lever stop ........................................................................................................ 11 -16
11.05.15 Bobbin winder.......................................................................................................... 11 -17
11.05.16 Limiting the stitch length ......................................................................................... 11 -18
11.05.17 Presser foot pressure .............................................................................................. 11 -19
11.05.18 Modifying the needle bar stroke .............................................................................. 11 -20
11.06 Adjusting the thread trimmers -900/22 and -900/24 ..................................... 11 - 21
11.06.01 Magnet setting ........................................................................................................ 11 -21
11.06.02 Lateral alignment of the thread catcher ................................................................... 11 -22
11.06.03 Knife position ........................................................................................................... 11 -23
11.06.04 Front point of reversal of the thread catcher............................................................ 11 -24
11.06.05 Manual trimming check ........................................................................................... 11 -25
11.06.06 Thread tension release............................................................................................. 11 -26
11.06.07 Readjusting the control cam .................................................................................... 11 -27