Pfaff 1051 Instruction Manual

part, is only permitted with our previous authorization and with written reference to the source. G.M. PFAFF Aktiengesellschaft Postfach 3020 D-67653 Kaiserslautern Königstr. 154 D-67655 Kaiserslautern Editing / Illustrations HAAS-Publikationen GmbH D-53840 Troisdorf This Instruction Manual is valid for all models and subclasses listed in the chapter " Specifications ".

1 Safety ........................................................................................................................ 1 - 1 1.01 Directives ................................................................................................................... 1 - 1 1.02 General notes on safety ............................................................................................. 1 - 1 1.03 Safety symbols .......................................................................................................... 1 - 2 1.04 Important points for the user ..................................................................................... 1 - 2 1.05 Operating and specialist personnel ............................................................................ 1 - 3 1.05.01 Operating personnel .................................................................................................. 1 - 3 1.05.02 Specialist personnel ................................................................................................... 1 - 3 1.06 Danger ....................................................................................................................... 1 - 4 2 Proper use ................................................................................................................ 2 - 1 3 Specifications ........................................................................................................... 3 - 1 3.01 PFAFF 1051, PFAFF 1053, PFAFF 1181, PFAFF 1183 ............................................... 3 - 1 3.02 Models and subclasses.............................................................................................. 3 - 2 4 Disposal of the machine .......................................................................................... 4 - 1 5 Transport, packaging and storage .......................................................................... 5 - 1 5.01 Transport to the customer ......................................................................................... 5 - 1 5.02 Transport within the customer’s premises ................................................................ 5 - 1 5.03 Disposal of the packaging .......................................................................................... 5 - 1 5.04 Storage ...................................................................................................................... 5 - 1 6 Explanation of the symbols..................................................................................... 6 - 1 7 Controls .................................................................................................................... 7 - 1 7.01 On/off switch ............................................................................................................. 7 - 1 7.02 Keys on the machine head......................................................................................... 7 - 1 7.03 Pedal .......................................................................................................................... 7 - 2 7.04 Lever for lifting the presser foot ................................................................................ 7 - 2 7.05 Feed regulator disk .................................................................................................... 7 - 3 7.06 Reverse feed lever..................................................................................................... 7 - 3 7.07 Knee lever .................................................................................................................. 7 - 4 7.08 Switch for thread wiper -909/04 ................................................................................ 7 - 4 8 Mounting and commissioning the machine .......................................................... 8 - 1 8.01 Mounting ................................................................................................................... 8 - 1 8.01.01 Adjusting the table-top height .................................................................................... 8 - 1 8.01.02 Adjusting the V-belt tension ....................................................................................... 8 - 2 8.01.03 Mounting the upper V-belt guard ............................................................................... 8 - 2 8.01.04 Mounting the lower V-belt guard ............................................................................... 8 - 3 8.01.05 Mounting the spool holder and the sewing lamp ....................................................... 8 - 3 8.02 Commissioning the machine...................................................................................... 8 - 4 8.03 Turning the machine on/off ........................................................................................ 8 - 4

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 1181 and 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 ......................................................................... 11 - 3 11.05.02 Preadjusting the needle height ................................................................................ 11 - 4 11.05.03 Bottom feed neutral position ................................................................................... 11 - 5 11.05.04 Neutral position of the needle feed (only on PFAFF 1051 and 1181) ....................... 11 - 6 11.05.05 Bottom feed lifting motion ....................................................................................... 11 - 7 11.05.06 Bottom feed dog height ........................................................................................... 11 - 8 11.05.07 Feed dog motion of bottom feed dog ...................................................................... 11 - 9 11.05.08 Feeding motion of needle feed (only on PFAFF 1051 and 1181) ............................. 11 - 10 11.05.09 Needle in needle hole center (only on PFAFF 1053 and 1183) ................................ 11 - 11 11.05.10 Needle to needle hole centre (on PFAFF 1051 and PFAFF 1181) ............................ 11 - 12 11.05.11 Synchronous strokes of needle- and drop feed (only on PFAFF 1051 and PFAFF 1181) ..................................................................... 11 - 13 11.05.12 Hook shaft bearing and backlash ............................................................................. 11 - 14 11.05.13 Hook lubrication (only for PFAFF 1181 and 1183) .................................................... 11 -15 11.05.14 Needle rise, hook-to-needle clearance, needle height and bobbin case position finger .......................................................................................................... 11 - 16 11.05.15 Thread check spring and slack thread regulator ....................................................... 11 - 17 11.05.16 Position of knee lever .............................................................................................. 11 -18 11.05.17 Knee lever stop ........................................................................................................ 11 - 19 11.05.18 Bobbin winder .......................................................................................................... 11 - 20 11.05.19 Limiting the stitch length ......................................................................................... 11 - 21 11.05.20 Presser foot pressure .............................................................................................. 11 - 22 11.05.21 Modifying the needle bar stroke .............................................................................. 11 - 23 11.06 Adjusting the thread trimmers -900/24................................................................. 11 - 24 11.06.01 Magnet setting......................................................................................................... 11 - 24 11.06.02 Lateral alignment of the thread catcher ................................................................... 11 - 25 11.06.03 Knife position ........................................................................................................... 11 - 26

11.06.04 Front point of reversal of the thread catcher............................................................ 11 - 27 11.06.05 Manual trimming check ........................................................................................... 11 - 28 11.06.06 Thread tension release............................................................................................. 11 - 29 11.06.07 Readjusting the control cam .................................................................................... 11 - 30 11.07 Adjusting the thread wiper -909/04....................................................................... 11 - 31 11.07.01 Thread wiper movement.......................................................................................... 11 - 31 11.07.02 Thread wiper position .............................................................................................. 11 - 32 11.08 Adjusting the automatic presser foot lift -910/06................................................. 11 - 33 11.09 Adjusting the backtacking mechanism -911/37.................................................... 11 - 34