Pfaff 1591 Adjustment Manual
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Pfaff 1591 Adjustment Manual

Pfaff 1591 Adjustment Manual

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1591
1593
Adjustment Manual
This Adjustment Manual applies to machines from the
following serial numbers onwards:
# ? ??? ???
296-12-19 391/002
Adjustment Manual engl. 06.18

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  • Page 1 1591 1593 Adjustment Manual This Adjustment Manual applies to machines from the following serial numbers onwards: # ? ??? ??? 296-12-19 391/002 Adjustment Manual engl. 06.18...
  • Page 2 Reprinting, copying or translation of PFAFF instruction manuals, whether in whole or in part, is not permitted without our prior permission and not without written indication of the source PFAFF Industriesysteme und Maschinen GmbH Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern...

  • Page 3: Table Of Contents

    .04.04 Preadjusting the needle height ....................9 .04.05 Needle rise, hook clearance, needle height and needle guard (on the PFAFF 1591 and 1593) . 10 .04.06 Needle position crosswise to sewing direction (on the PFAFF 1591 and 1593) ....11 .04.07...
  • Page 4 Index Contents ....................Page .06.05 Knife position and knife pressure ..................32 .06.06 Bobbin thread retaining spring ..................... 33 .06.07 Manual cutting test ......................34 Parameter settings ....................... 35 .07 .01 Overview of parameter functions ..................35 .07 .02 Parameter input example ..................... 36 .07 .03 Parameter list for control P320 and P321 ................

  • Page 5: 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 refi tted 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 6: Adjusting The Basic Machine

    Adjusting the basic machine Needle position in the direction of sewing .04.01 (on the PFAFF 1591) Requirement With the stitch length set at "5", in its front and rear point of reversal the needle should be the same distance from the inside edges of the needle hole.

  • Page 7: Needle Position In Sewing Direction (On The Pfaff 1593)

    Adjustment Positioning the needle in the direction of sewing PFAFF 1593) .04.02 Requirement The needle must penetrate the middle of the needle hole as viewed in the direction of- sewing. Fig. 15 - 02 ● Move the needle bar frame 1 ( screws 2 and 3 and nut 4 ) in accordance with the requirement.

  • Page 8: Limiting The Needle Bar Frame On The Pfaff 1591

    Adjustment Limiting the needle bar frame on the PFAFF 1591 .04.03 Requirement With the stitch length set at "5", when the needle is in its front and rear point of reversal screw 4 should be the same distance from the inside edge of its hole.

  • Page 9: Preadjusting The Needle Height

    Adjustment Preadjusting the needle height .04.04 Requirement With the needle bar at TDC there must be approx. 21 mm between the point of the need- le and the needle plate. 21 mm Fig. 15 - 04 ● Move the needle bar 1 ( screw 2 ) in accordance with the requirement without turning it.

  • Page 10: Needle Rise, Hook Clearance, Needle Height And Needle Guard (On The Pfaff 1591 And 1593)

    3. the needle guard 6 must touch the needle lightly. Fig. 15 - 05 ● Set stitch length at "0.8".(only on the PFAFF 1591). ● Loosen both screws 1, 2, 3, 4 and 5. ● Bring the needle bar to 2.0 mm after b.d.c. and place the locking pin for the needle bar ●...

  • Page 11: Needle Position Crosswise To Sewing Direction (On The Pfaff 1591 And 1593)

    Adjustment Needle position crosswise to sewing direction .04.06 (on the PFAFF 1591 and 1593) Requirement As seen crosswise to the sewing direction, the needle must penetrate in the centre of the needle hole. Fig. 15 - 06 ● Adjust feed wheel post 1 (screws 2, 3 and 4) according to the requirement.

  • Page 12: Height And Stroke Of The Bobbin Case Opener

    Adjustment Height and stroke of the bobbin case opener .04.07 Requirement 1. The top edges of the bobbin case opener 1 and bobbin case base 3 should be on onelevel. 2. When the bobbin case opener 1 has defl ected the bobbin case to its furthest point, thecatch of the bobbin case should be 0.3 - 0.5 mmfrom the back edge of the needle- plate recess.

  • Page 13: Height Of The Feed Wheel (On The Pfaff 1591 And 1593)

    Adjustment Height of the feed wheel .04.08 (on the PFAFF 1591 and 1593) Requirement The feed wheel should protrude from the needle plate by tooth height (approx. 0.8 mm) Fig. 15 - 08 ● Swing out the roller presser. ● Loosen screws 1.

  • Page 14: Clearance Between Roller Presser And Feed Wheel

    Adjustment Clearance between roller presser and feed wheel .04.09 Requirement With lever 1 raised the clearance between the roller presser and the feed wheel must be 7 mm. Fig. 15 - 09 ● Raise lever 1. ● Move the presser foot bar ( screws 2 ) in accordance with the requirement. Take care to- ensure that the roller presser is parallel to the feed wheel.

  • Page 15: Roller-Presser

    Adjustment Roller-presser .04.10 Requirement When the roller-presser 1 is resting on the feed wheel 5 it must 1. be parallel to the feed wheel 5 when viewed in the direction of sewing, 2. be in the middle of the needle when viewed crosswise to the direction of sewing and 3.

  • Page 16: Automatic Presser-Foot Lifter

    Adjustment Automatic presser-foot lifter .04.11 Requirement When solenoid 1 is activated, lever 3 for the roller-presser must drop automatically. Fig. 15 - 11 ● Move solenoid 1 ( screws 2 ) in accordance with the requirement. ● Turn the machine on and check the requirement. ●...

  • Page 17: Knee Lever

    Adjustment Knee lever .04.12 Requirement 1. The knee lever must have a little play before the roller-presser is raised. 2. The lever for the roller-presser must drop automatically when the knee lever is presse- das far as it will go. 3.

  • Page 18: Tension Release

    Adjustment Tension release .04.13 Requirement The two tension disks 8 should be at least 0.5 mm apart 1. when lever 1 is raised, 2. when the automatic presser foot lift is operated or 3. when solenoid 6 is pressed. 0,5 mm Fig.

  • Page 19: Thread Check Spring (Pfaff 1511 And 1593)

    Adjustment Thread check spring .04.14 (on the PFAFF 1591 and 1593) Requirement 1. The movement of thread check spring 3 should be completed when the needle point- penetrates the fabric (spring stroke approx. 7 mm). 2. When the largest thread loop is formed while the thread is passed around the hook,the thread check spring 3 should rise slightly from its support 1.

  • Page 20: Bobbin Winder

    Adjustment Bobbin winder .04.15 Requirements 1. When the bobbin winder is engaged, the winding spindle must be driven reliably. When the bobbin winder is disengaged, the friction wheel 5 must not be moved by drive wheel 1. 2. The bobbin winder must switch itself off, when the fi lled thread is about 1 mm from- the edge of the bobbin.

  • Page 21: Roller-Presser Pressure

    Adjustment Roller-presser pressure .04.16 Regel The material must be fed reliably. No pressure marks may be made on the material. Fig. 15 - 16 ● Adjust the presser foot pressure with screw 1 in accordance with the requirement. Screw 1 is located under a cover. If the presser foot pressure is low, the lowering speed of the presser foot can- be increased with parameter „202“...

  • Page 22: Lubrication

    Adjustment Lubrication .04.17 Requirement After a running time of 10 seconds a fi ne line of oil should form on a strip of paper held- next to the hook. Fig. 15 - 17 ● Check whether oil has been fi lled in and that there is no air in the oil lines. ●...

  • Page 23: Re-Engage Safety Coupling

    Adjustment Re-engage safety coupling .04.18 The coupling 1 is set by the manufacturer. When the thread jams, thecoupling 1 dis- engages in order to avoid damage to the hooks.A description of how to engage the coupling 1 follows. Fig. 15 - 18 ●...

  • Page 24: Adjusting The Edge Trimmer -725/04

    Adjusting the edge trimmer -725/04 Position of the knife holder .05.01 (on the PFAFF 1591) Requirement When the thread trimmer is engaged, the centre of the angular knife opening must bele- vel with the top edge of the needle plate.

  • Page 25: Knife Stroke (On The Pfaff 1591)

    Adjustment Knife stroke .05.02 (on the PFAFF 1591) Requirement The knife stroke can be adjusted over a range from 2.0 to 3.5 mm, allowing the bestpossible adaption to all materials used. Fig. 15 - 20 ● Adjust crank 1 (nut 2) in slotted lever 3 according to the requirement.

  • Page 26: Cutting Stroke (On The Pfaff 1591)

    Adjustment Cutting stroke .05.03 (on the PFAFF 1591) Requirement When the edge trimmer is engaged and the needle is in the needle hole, the stroke of knife 3 should be half in front of and half behind the needle, when the motor shaft isturned by hand.

  • Page 27: Knife Position

    When the edge trimmer is engaged, the knife should rest lightly on the needle plate insert,but no whistling sound should occur during trimming. Fig. 15 - 22 PFAFF 1591 ● Adjust screw 1 (screw 2) according to the requirements. ● Carry out a cutting test and repeat adjustment if necessary.

  • Page 28: Adjusting The Thread Trimmer -900/81

    Adjustment Adjusting the thread trimmer -900/81 Resting position of the roller lever / radial position of the control cam .06.01 Requirement 1. When the thread trimmer is in is resting position, lever 5 should be touching piston 6 and the roller of roller lever 7 should be 0.3 mm away from control cam 3. 2.

  • Page 29: Position Of The Thread Catcher Holder

    Adjustment Position of the thread catcher holder .06.02 Requirement 1. There should be a minimum amount of play between toothed wheel 3 and toothed segment 4. 2. Both in the neutral position and the foremost position of the catcher, the distancebet- ween the toothed segment 4 and the outer edge of the thread catcher holder 1should be the same (see arrow).

  • Page 30: Distance Between Thread Catcher And Needle Plate

    Adjustment Distance between thread catcher and needle plate .06.03 Requirement During its swivel movement thread catcher 1 should not pass the edge of the needle plate (see arrow). Fig. 15 - 25 ● Move thread catcher 1 (screws 2, two screws) parallel to the thread catcher holder inac- cordance with the requirement.

  • Page 31: Position Of The Thread Catcher

    Adjustment Position of the thread catcher .06.04 Requirement 1. The bottom edge of the thread catcher 1 should be at a distance of 0.1 mm from the- positioning fi nger of the bobbin case 5. 2. When the thread trimmer is in its neutral position, the rear edge of thread cat- chershould be positioned approx.

  • Page 32: Knife Position And Knife Pressure

    Adjustment Knife position and knife pressure .06.05 Requirement 1. The knife 1 should be touching the needle plate. 2. The knife pressure should be set as low as possible but the cutting operation should still be carried out reliably. Fig. 15 - 27 ●...

  • Page 33: Bobbin Thread Retaining Spring

    Adjustment Bobbin thread retaining spring .06.06 Requirement 1. The bobbin thread clamp spring should be guided reliably in the thread groove of the thread catcher 3. 2. The tension of the bobbin thread spring clamp should be as low as possible, but the bobbin thread should be held reliably after the cutting operation.

  • Page 34: Manual Cutting Test

    Adjustment Manual cutting test .06.07 Requirement 1. When thread catcher 1 is on its forward stroke, it must not carry bobbin thread 3 forward too. 2. When thread catcher 1 is in its front position, bobbin thread 3 must be held reliably by hook 4.

  • Page 35: Parameter Settings

    Adjustment Parameter settings Overview of parameter functions .07 .01 After switching on the machine, call up the input mode in which the individual parameters can be called up by pressing the corresponding function. All parameter groups or also indi- vidual ones can be protected by a code against unauthorised access. Select parameter group Operator level Mechanic level...

  • Page 36: Parameter Input Example

    Adjustment Parameter input example .07 .02 ● Switch on the machine ● Call up entry mode. ● e.g. Call up parameter “107” (maximum feed of the roller foot via the multi-pedal) ● e.g. set value 4.0. ● Conclude input..

  • Page 37: Parameter List For Control P320 And P321

    Adjustment List of parameters for control P320 and 321 .07 .03 The parameter “100” is accessible to the operator. Changing of the parameters “200” - “800” can only be carried out after enter- ing the code number and may only be performed by authorised and qualifi ed personnel.
  • Page 38 Open thread tension on stop and roller presser ON - OFF lift Open thread tension after trimming ON - OFF Take-up lever at t.d.c. position 1591 0 - 127 1593 0 - 127 Position of needle at bottom position 1591...
  • Page 39 D= single stitch key on the machine head (E3) E= half stitch key on the machine head (E2) E= reversing key on the machine head (E1) Machine drive home position 8 ± 2 1591 11 ± 2 1593 Run cold start Stitch formation with stepping motors by handwheel...
  • Page 40 1 - 35 Positioning speed 3 - 25 Acceleration ramp 1 - 50 Braking ramp 1 - 50 Reference position 1591 0 - 127 1593 0 - 127 Dead man time 0 - 255 Motor starting current 3 - 10 Anti-vibration fi...

  • Page 41: Error Messages And Description

    Adjustment Error messages and description Error Description ERROR: 1 System error ERROR: 2 Sewing motor ERROR: 3 Seam zone data ERROR: 4 End of section ERROR: 5 Pedal activated when machine switched on ERROR: 6 Communication error with stepping motor processor ERROR: 7 End of ramp ERROR: 8...

  • Page 42: Internet Update Of The Machine Software

    Adjustment Internet update of the machine software The machine software can be updated with PFAFF f ash programming. For this purpose the PFP boot program and the appropriate control software for the machine type must be installed on a PC. The transfer of the data to the machine can be carried out with a null or with an SD- card.

  • Page 43: Update (With Sd Card)

    ● A plausibility control is carried out and, if necessary, a cold start. ● To update the step motor software please contact your PFAFF representa- tive. Fig. 15 - 31 More information and assistance is at your disposal in the f le "PFPHILFE.TXT", which...

  • Page 44: Circuit Diagrams

    Circuit diagrams Circuit diagrams Reference list for circuit diagrams Controller PFAFF P320 ED (P321 ED) Control panel BDF P1 Sewing head identifi cation(OTE) DX355 Needle pendulum (only with P321 ED) Sewing lamp LED Stitch counter Sewing motor Stepping motor feed wheel...
  • Page 45 Circuit diagrams...
  • Page 46 Circuit diagrams...
  • Page 47 Circuit diagrams...
  • Page 48 Circuit diagrams...
  • Page 49 Notes...
  • Page 50 PFAFF Industriesysteme und Maschinen GmbH Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Telefon: +49 - 6301 3205 - 0 Telefax: +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...

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1593

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