Pfaff 1122 Adjustment Manual
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Summary of Contents for Pfaff 1122
- Page 1 ® Industrial 1122 1122 ADJUSTMENT MANUAL 1122 -720/02 1122 -G-720/02 This Adjustment Manual is valid for machines from the following serial numbers onwards: # 6 001 000 296-12-18 582/002 Justieranleitung engl. 06.09...
- Page 2 The reprinting, copying or translation of PFAFF Adjustment Manuals, whether in whole or in part, is only permitted with our previous authorization and with written reference to the source. PFAFF Industriesysteme und Maschinen AG Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern...
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Page 3: Table Of Contents
Contents Contents ................. Chapter - Page Adjustment ........................ 12 - 2 Notes on adjustment....................12 - 2 Tools, gauges and other accessories ................12 - 2 Abbreviations ......................12 - 2 Explanation of the symbols ..................12 - 2 Adjusting the basic machine ..................12 - 3 05.01 Basic position of the hook drive unit ................ -
Page 4: Adjustment
Adjustment Adjustment Please observe all notes from Chapter 1 Safety of the instruction manual! In particular care must be taken to see that all protective devices are refitted properly after adjustment, see Chapter 1.06 Danger warnings of the instruction manual! If not otherwise stated, the machine must be disconnected from the electrical power supply. -
Page 5: Adjusting The Basic Machine
Adjustment Adjusting the basic machine Basic position of the hook drive unit .05.01 Requirement When the marking "A" on the balance wheel is level with marking 5, marking 3 should be level with marking 4. 109-074 109-031 Fig. 12 - 01 Remove toothed belt 1. -
Page 6: Positioning The Feed Dog
Adjustment Positioning the feed dog .05.02 Requirement 1. The feed dog must be the same distance X from the right and left side of the needle plate cutout. 2. With the longest stitch set, in its front and rear point of reversal the feed dog should be the same distance Y from the needle plate cutout. -
Page 7: Height Of The Feed Dog
Adjustment Height of the feed dog .05.03 Requirement With the stitch length set at "0", at t.d.c. the feed dog should protrude ca. 1 mm over the needle plate. Fig. 12 - 03 Adjust holder 1 (screw 2) in accordance with the requirement. 12 - 4... -
Page 8: Adjusting The Stitch Length
Adjustment Adjusting the stitch length .05.04 Requirement The stitch length should be the same when sewing forwards or in reverse. Fig. 12 - 04 Adjust eccentric 1 (screw 2) in accordance with the requirement. 12 - 5... -
Page 9: Preliminary Adjustment Of The Needle Height
Adjustment Preliminary adjustment of the needle height .05.05 Requirement With the stitch length set at "0", when the needle bar is at its b.d.c., marking 3 should be flush with the lower edge of bushing 4. Fig. 12 - 05 Adjust needle bar 1 (screw 2) in accordance with the requirement. -
Page 10: Positioning The Needle In Centre Of The Needle Hole
Adjustment Positioning the needle in centre of the needle hole .05.06 Requirement With the stitch length set at "0", the needles should enter the needle holes exactly in the centre. 109-048 Fig. 12 - 06 Adjust needle bar frame 1 (screw 2) in accordance with the requirement. Turn needle bar 3 (screw 4) in accordance with the requirement. -
Page 11: Hook-To-Needle Clearance, Needle Rise, Needle Height And Needle Guard
3. needle guard 11 should slightly touch the needle. Machine type 1122 1122 1122 1122-G 1122-G 1122-720 1122-720 1122-720 1122-G-720 1122-G-720 Version Stitch length "x" [mm] Needle rise [mm] Fig. 12 - 07 Loosen screws 1, 2, 3 and 4. 12 - 8... - Page 12 Push the toothed wheels lightly against plate 8 and tighten screws 3. Adjust hook (screws 9) in accordance with requirement 1. PFAFF 1122 and 1122-G Adjust the needle height in accordance with requirement 2, also see Chapter 12.05.05 Preliminary adjustment of the needle height.
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Page 13: Hook To Needle Plate Clearance
Adjustment Hook to needle plate clearance .05.08 Requirement There should be a clearance of 0.6 – 0.9 mm between the top edge of the bobbin position stop and the bottom edge of the needle plate cutout. 109-085 Fig. 12 - 09 Adjust hook 1 (screws 2) in accordance with the requirement. -
Page 14: Bobbin Case Opener
Adjustment Bobbin case opener .05.09 Requirement The needle thread must not be clamped between the bobbin case opener 1 and the bobbin case 3, nor between bobbin case position finger 4 and the retaining trip of the needle plate. Fig. 12 - 10 Thread the machine and insert test material. -
Page 15: Hook Lubrication
Adjustment Hook lubrication .05.10 Requirement 1. There should be distance of 23.5 – 24.5 mm between the adjustment screw 1 and hook bearing 2. 2. After a running time of 10 seconds a thin oil film should be visible on a strip of paper held next to the hook. -
Page 16: Presser Foot To Needle Place Clearance / Presser Foot Pressure
Adjustment Presser foot to needle place clearance / presser foot pressure .05.11 Requirement 1. With the presser foot raised there should be a clearance of 7 mm to the needle plate. 2. The material should be fed without difficultly, even at top speed. 109-046 Fig. -
Page 17: Thread Check Spring
Adjustment Thread check spring .05.12 Requirement 1. The movement of thread check springs 3 and 6 must be finished when the needle point enters the material ( spring stroke approx. 7 mm). 2. When the thread loop is at its largest while being passed around the sewing hook, the thread check springs 3 and 6 must rise slightly from rests 1 and 9. -
Page 18: Needle Thread Tension Release
Adjustment Needle thread tension release .05.13 Requirement 1. When the hand lever is raised, there should be a distance of at least 0.5 mm between the tension discs 4. 2. When the presser foot is touching the needle plate, the tension must be fully effective. 0.5 mm Fig. -
Page 19: Bobbin Winder Drive Wheel And Bobbin Winder
Adjustment Bobbin winder drive wheel and bobbin winder .05.14 Requirement 1. With the bobbin winder switched on, the bobbin winder spindle must engage reliably. With the bobbin winder switched off, friction wheel 5 must not touch drive wheel 1. 2. The bobbin winder must switch off automatically when the thread level is approximately 1 mm from the edge of the bobbin. -
Page 20: Limiting The Knee Lever Stroke
Adjustment Limiting the knee lever stroke .05.15 Requirement When the knee lever 3 is pushed fully, the presser foot should rise approximately 8 mm from the needle plate. 109-093 109-046 Fig. 12 - 16 Adjust screw 1 (nut 2) in accordance with the requirement. 12 - 17... -
Page 21: Adjusting The Thread Trimmer -900/93
Adjustment Adjusting the thread trimmer -900/93 Basic position of the thread trimmer .06.01 Requirement 1. When the thread trimmer is in its resting position, levers 1 and 2 should be touching the stops 6 and 7. 2. In needle rise position roller lever 8 should be positioned in the centre of the path of control cam 9. -
Page 22: Thread Catcher To Hook Clearance
Adjustment Thread catcher to hook clearance .06.02 Requirement When the thread catcher 1 is operated by hand, along the entire path between thread catcher 1 and the bobbin case position finger there should be a clearance of 0.05 – 0.20 mm. Fig. -
Page 23: Thread Catcher Position
Adjustment Thread catcher position .06.03 Requirement When the machine is in its basic position, thread catchers 1 should each have a clearance of 27.2 mm to the corresponding edge of the needle plate cutout. 109-050 Fig. 12 - 19 109-051 Adjust thread catcher 1 (screws 2) in accordance with the requirement. -
Page 24: Manual Cutting Test
Adjustment Manual cutting test .06.04 Requirement 1. When thread catcher 1 is on its forward stroke, it must not carry the bobbin thread forward too. 2. When thread catcher 1 is in its front position, the bobbin thread should be caught reliably. -
Page 25: Needle Thread Tension Release
Adjustment Needle thread tension release .06.05 Requirement When solenoid 5 is activated 1. the roller lever 6 should drop into the path of control cam 7 with a small clearance to the bottom of the cam and 2. there should be a distance of at least 0.5 mm between the tensions discs 8. 0.5 mm 109-054 Fig. - Page 26 Adjustment 12 - 23...
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Page 27: Parameter Settings (Only On Machines With Quick-Motor)
Adjustment (only on machines with Quick-motor) Parameter settings Selecting the user level .08.01 Switch on the machine. Press the TE/Speed key twice to call up the input mode. By pressing the corresponding +/- key select the parameter group "798". By pressing the corresponding +/- key select the desired user level: "0"... -
Page 28: Example Of A Parameter Input
Adjustment Example of a parameter input .08.02 Switch on the machine. Press the TE/Speed key twice to select the input mode. By pressing the corresponding plus/minus key select parameter "798" and the desired user level, see Chapter 08.01 Selecting the user level. Select parameter "607"... -
Page 29: List Of Parameters
Adjustment List of parameters .08.03 Control panel key tone A, B, C 0 – 1 (0 = off, 1 = on) Speed display B, C 0 – 1 (1 = yes, 0 = no) Max. speed 300 – 3500 3000 Cutting speed 1 B, C 60 –... -
Page 30: Internet Update Of The Machine Software
(only on machines with Quick-motor) Internet update of the machine software The machine software can be updated with PFAFF flash programming. For this purpose the PFP boot program and the appropriate control software for the machine type must be installed on a PC. To transfer the data to the machine, the PC and the machine control unit must be connected with an appropriate null modem cable (part no. -
Page 31: Reset / Cold Start
Adjustment (only on machines with Quick-motor) Reset / Cold start After selecting the reset menu, by pressing the corresponding key it is possible to delete seam parameters, delete seam programs and to carry out a cold start. Press and hold "+" on keys A and D and switch on the machine, see Chapter 7.01 Main switch. -
Page 32: Circuit Diagrams
Circuit diagrams Version 29.09.04 Schaltpläne 13 - 1... - Page 33 Notes...
- Page 34 PFAFF Industriesysteme und Maschinen AG Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Phone: +49 - 631 200-0 Fax: +49 - 631 17202 E-mail: info@pfaff-industrial.com Hotlines: Technical service: +49 - 175/2243-101 Application consultance: +49 - 175/2243-102 Spare-parts hotline: +49 - 175/2243-103...