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Related Manuals for Pfaff 1243-712/02
Summary of Contents for Pfaff 1243-712/02
- Page 1 1243 -712/02 ADJUSTMENT MANUAL This adjustment manual applies to machines from the serial number 7 262 540 and software version 0435/002 onwards. 296-12-19 316/002 Adjustment manual engl. 11.15...
- Page 2 Reprinting, copying and translation - including excerpts - from PFAFF adjustment manuals is permitted only with our prior approval and the listing of sources. PFAFF Industriesysteme und Maschinen GmbH Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern...
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Page 3: Table Of Contents
Table of Contents Contents ..................Page Adjustment ........................... 5 Tools, gauges and other accessories ..................5 Abbreviations ......................... 5 Explanation of symbols ......................5 Adjusting basic machine ......................6 .04.01 Needle position to needle hole ....................6 .04.02 Needle height (pre-calibrating) ....................7 .04.03 Hook-to-needle clearance, needle bar rise, needle height and needle guard ...... - Page 4 Table of Contents Contents ..................Page .05.07 Connecting rod ........................23 .05.08 Control cam (pre-calibrating) ....................24 .05.09 Catch ............................ 25 .05.10 Thread catcher height ......................26 .05.11 Knife ............................. 27 .05.12 Thread catcher reverse position ................... 28 .05.13 Bobbin thread clamp spring ....................29 Parameter settings ......................
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Page 5: Adjustment
Adjustment Adjustment Observe and comply with all instructions in the operating manual's chapter 1 Safety! In particular make sure that all safety covers are installed again correctly after making adjustments, see chapter 1.06 Operating manual hazard information! Unless otherwise stated, the machine must be disconnected from the power supply before all adjustment work! Risk of injury due to accidental machine start-up! Notes on adjustment... -
Page 6: Adjusting Basic Machine
Adjustment Adjusting basic machine Needle position to needle hole .04.01 Rule The needle should pierce the centre of the needle hole exactly. Fig. 13 - 01 ● Loosen the screws 1, 2 and 3. ● Move the needle directly over the needle hole by turning the handwheel. ●... -
Page 7: Needle Height (Pre-Calibrating)
Adjustment Needle height .04.02 (pre-calibrating) Rule When the needle bar is in b.d.c., the clearance between the needle bar and needle plate should be 23 mm. Fig. 13 - 02 ● Adjust the needle bar 1 (screw 2) without twisting according to the rule. -
Page 8: Hook-To-Needle Clearance, Needle Bar Rise, Needle Height And Needle Guard
Adjustment Hook-to-needle clearance, needle bar rise, needle height and needle guard .04.03 Rule With the needle rise positioned 1.8 mm after b.d.c. of the needle bar: 1. The hook point should be at the needle midpoint and have a clearance of 0.05 to 0.1 mm to the needle. -
Page 9: Bobbin Case Opener
Adjustment Bobbin case opener .04.04 Rule The needle thread should not become jammed between the bobbin case opener 1 and the bobbin case base 3 or between the retaining lug 4 and the retaining dog of the needle plate. Fig. 13 - 04 ●... -
Page 10: Safety Clutch
Adjustment Safety clutch .04.05 The safety clutch 4 is set ex works. If the thread jams, the safety clutch 4 disengages to avoid damage to the hooks. The process to engage the clutch is described below. Fig. 13 - 05 ●... -
Page 11: Presser Stroke Movement
Adjustment Presser stroke movement .04.06 Rule The presser foot 3 and the tip of the needle should reach the stitch platen at the same time when turning the handwheel. Fig. 13 - 06 ● Slide the lever 1 (screw 2) in its slotted lever until you feel it reach the upper stop. ●... -
Page 12: Presser Stroke
Adjustment Presser stroke .04.07 Rule 1. When the needle bar is in b.d.c., the clearance between the clamp 1 and needle plate should be 172 mm. 2. The presser foot 5 should lift 20 mm off the needle plate in its upper turning point at maximum stroke adjustment. -
Page 13: Needle Thread Tension Release
Adjustment Needle thread tension release .04.08 Rule 1. The tension discs should start to open with the thread lever positioned 10 mm before t.d.c. 2. When the thread lever is at t.d.c., there should be a clearance of 1.0 mm between the tension discs. -
Page 14: Thread Check Spring
Adjustment Thread check spring .04.09 Rule The movement of the thread check spring 5 should be finished when the needle point punctures the material (spring deflection = approx. 7 mm). The length of the thread check spring deflection may deviate slightly upwards or downwards for reasons relating to the sewing technology. -
Page 15: Bobbin Winder
Adjustment Bobbin winder .04.10 Rule 1. When the bobbin winder is switched on, the bobbin winder spindle should be moved easily; when the bobbin winder is switched off, the friction wheel 5 must not touch the drive wheel 1. 2. The bobbin winder should switch off automatically when the fill amount is still around 1 mm from the edge of the bobbin. -
Page 16: Presser Foot Pressure
Adjustment Presser foot pressure .04.11 Rule The material should be transported properly even at top sewing speed. No pressure marks should appear on the material. Fig. 13 - 11 ● Turn the screw 1 according to the rule. -
Page 17: Adjusting Thread Trimmer -900/56
Adjustment Adjusting thread trimmer -900/56 Control cam .05.01 ( pre-calibrating ) Rule 1. The bearing surface of the control cam 5 should be positioned centrally to the pawl 8 on the side. 2. When the thread lever is at t.d.c., the start of the largest eccentricity of the bearing surface ( in the direction of rotation ) should be under the tip of the pawl 8. -
Page 18: Tripping Lever
Adjustment Tripping lever .05.02 Rule The bevelled bolt of the tripping lever 6 (see arrow) should drop easily into the track of the control cam 7 when the engaging lever 8 is activated in the needle rise position. Fig. 13 - 13 ●... -
Page 19: Pawl
Adjustment Pawl .05.03 Rule There should be a clearance of 0.3 mm between the largest eccentricity of the control cam 1 and the pawl 2 when the thread trimmer attachment is in the neutral position. 0.3 mm Fig. 13 - 14 ●... -
Page 20: Engaging Solenoid
Adjustment Engaging solenoid .05.04 Rule There should be a clearance of 0.3 mm between the engaging lever 2 and the pawl 3 in the needle rise position and when the engaging solenoid 5 is activated. Fig. 13 - 15 ● Move the machine to the needle rise position by turning the handwheel. ●... -
Page 21: Release Cam
Adjustment Release cam .05.05 Rule There should be a clearance of approx. 0.3 mm between the tripping lever bolt and the bottom of the cam track in the needle rise position and when the engaging lever 4 is dropped in place. 0.3 mm Fig. -
Page 22: Engaging Lever
Adjustment Engaging lever .05.06 Rule When the needle bar is in t.d.c. and the tripping lever 3 is in the basic position, there should be a clearance of approx. 0.3 mm between the bolt 4 and the outside diameter of the control cam 5. -
Page 23: Connecting Rod
Adjustment Connecting rod .05.07 Rule The lever 6 should lift off the stop 7 when the shaft 9 starts to move with a sliding motion. Fig. 13 - 18 ● Fasten the ball head to the tripping lever 3 with the screw 2. ●... -
Page 24: Control Cam (Pre-Calibrating)
Adjustment Control cam .05.08 (pre-calibrating) Rule The movement of the thread catcher should start when the tripping lever 3 is dropped in place and the point of the needle coming from b.d.c. is positioned 12 mm above the needle plate. Fig. -
Page 25: Catch
Adjustment Catch .05.09 Rule There should be a clearance of approx. 5 mm between the catch 1 and the tripping lever 6 when the thread trimmer attachment is in the neutral position. 5 mm Fig. 13 - 20 ● Gently secure the catch 1 and the cover plate 2 with the screws 3. ●... -
Page 26: Thread Catcher Height
Adjustment Thread catcher height .05.10 Rule If the thread catcher 2 is pushed forward by hand when the thread lever is at t.d.c., the lower thread catcher point should be 0.1 mm above the back of the hook 4. Fig. 13 - 21 ●... -
Page 27: Knife
Adjustment Knife .05.11 Rule 1. The elongated hole of the knife 3 should run parallel to the knife carrier 5; the knife should not rest on the metal edge (see arrow). 2. If the tip of the thread catcher 4 protrudes approx. 3 mm above the knife edge, the knife 3 should slightly touch the thread catcher 4. -
Page 28: Thread Catcher Reverse Position
Adjustment Thread catcher reverse position .05.12 Rule The back edge of the thread catcher 3 should be flush with the cutting edge of the knife 4 when it is in the front turning point ( see arrow). Fig. 13 - 23 ●... -
Page 29: Bobbin Thread Clamp Spring
Adjustment Bobbin thread clamp spring .05.13 Rule 1. There should be a clearance of 0.3 mm between the clamp spring 5 and the underside of the thread catcher 4. The tips of the clamp spring 5 should be fl ush with the back edge of the thread catcher 4 when the thread catcher 4 is in the front turning point (see arrow). -
Page 30: Parameter Settings
● The "DongleCopy” PC tool is needed to upload software onto the dongle. A description of how to perform an Internet update of control P40 CD as well as the "DongleCopy" PC tool can be downloaded from the Internet address https://partnerweb.pfaff-industrial.com/ . -
Page 31: Circuit Diagrams 91-191 585-95
91-191 585-95 Circuit diagram Part 1 Version 30/07/2015 Circuit Diagrams 91-191 585-95 PED-A PED-B PED-C PED-D n.c. PED-GEN P-ANA shield A PH B PH M1.1 IND. shield GN/YE Ground Sewing Motor Nähmotor n.c. n.c. n.c. +3,3V n.c. IN-EXT1 IN-EXT2 IN-EXT3 IN-EXT4 N.C. - Page 32 Circuit diagram 91-191 585-95 Version 30/07/2015 Part 2 180° SYNC. shield Boot_PN BOOT X_IN RXBF- TXBF+ +15V RST_IN RST_PN RXBF+ TXBF- +15V +3,3V IN_ana1 0V_Logik 24V only inputs +24V stab. +24V magn. 24V power output trimmer output back tack output footlift output thread tension +24V magn.
- Page 33 Notes...
- Page 34 PFAFF Industriesysteme und Maschinen GmbH Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Tel.: +49 - 6301 3205 - 0 Fax: +49 - 6301 3205 - 1386 E-mail: info@pfaff-industrial.com Gedruckt in der BRD / Printed in Germany / Imprimé en la R.F.A. / Impreso en la R.F.A...