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Pfaff Industrial POWERline 2542 Adjustment Manual

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2542
ADJUSTMENT MANUAL
This Adjustment Manual is valid for machines
from the following serial numbers onwards:
# 2 782 990
296-12-19 177/002
Justieranleitung engl. 12.12

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Summary of Contents for Pfaff Industrial POWERline 2542

  • Page 1 2542 ADJUSTMENT MANUAL This Adjustment Manual is valid for machines from the following serial numbers onwards: # 2 782 990 296-12-19 177/002 Justieranleitung engl. 12.12...
  • Page 2 The reprinting, copying or translation of PFAFF Service 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...

  • Page 3: Table Of Contents

    Index Contents ................Page Adjustment ........................... 4 Notes on adjustment ......................4 Tools, gauges and other accessories for adjusting ............... 4 Abbreviations ......................... 4 Explanation of the symbols ....................4 Adjusting the basic machine ....................5 .05.01 Basic position of the balance wheel (adjustment aid) ............5 .05.02 Balance weight ........................

  • Page 4: Adjustment

    Justierung 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 instruc- tion manual! If not otherwise stated, the machine must be disconnected from the electrical power supply.

  • Page 5: Adjusting The Basic Machine

    Justierung Adjusting the basic machine Basic position of the balance wheel .05.01 (adjustment aid) Requirement When the needle bar is positioned at t.d.c., the marking "0" on the scale should be level with the top edge of the belt guard (see arrow). Fig.

  • Page 6: Balance Weight

    Justierung Balance weight .05.02 Requirement When the needle bar is positioned at b.d.c. (balance wheel position 180°) the largest ec- centricity of the balance weight 1 should be at the top. Fig. 1 - 02 ● Adjust balance weight 1 (screw 2) in accordance with the requirement.

  • Page 7: Zero Position Of The Bottom And Needle Feed

    Justierung Zero position of the bottom and needle feed .05.03 Requirement When the stitch length is set at "0", the bottom feed dogs and the needle bar should not make any feeding motion when the balance wheel is turned. Fig. 1 - 03 ●...

  • Page 8: Feeding Motion Of The Bottom And Needle Feed

    Justierung Feeding motion of the bottom and needle feed .05.04 Requirement When the balance wheel is positioned at 180°, the feed dog must not make any feeding motion when reversefeed lever 3 is operated. Fig. 1 - 04 ● Adjust eccentric 1 (screws 2) in accordance with the requirement. Make sure that the cut-out (see arrow) is visible.

  • Page 9: Lifting Motion Of The Bottom Feed Dog

    Justierung Lifting motion of the bottom feed dog .05.05 Requirement When the balance wheel is positioned at 180°, the feed dog should be at t.d.c. Fig. 1 - 05 ● Adjust eccentric 1 (screws 2) in accordance with the requirement.

  • Page 10: Height Of The Bottom Feed Dog

    Justierung Height of the bottom feed dog .05.06 Requirement 1. When the needle bar is positioned at b.d.c. (balance wheel position 180°), the bottom feed dog should be positioned 0.5 mm horizontally above the top edge of the needle plate, when crank 5 is in the centre of the slot.

  • Page 11: Feeding Stroke Difference

    Justierung Feeding stroke difference .05.07 Requirement With the maximum stitch length set, when the balance wheel is turned the feeding stro- kes of the needle and the bottom feed dog should be the same. Fig. 1 - 07 ● With connecting rod 1 (nut 2) increase ("+") or reduce (-) the needle feed stroke in accordance with the requirement.

  • Page 12: Preliminary Adjustment Of The Needle Height

    Justierung Preliminary adjustment of the needle height .05.08 Requirement When the needle bar is positioned at t.d.c. (balance wheel position 0°), the clearance between the needle point and the needle plate should be 22 mm. 22 mm Fig. 1 - 08 ●...

  • Page 13: Needle Rise, Hook Clearance, Needle Height And Needle Guard

    Justierung Needle rise, hook clearance, needle height and needle guard .05.09 Requirement With the stitch length set at "4.5" and in the needle rise position (see table) 1. The hook point 6 should be positioned at "needle centre" with a hook-to-needle clea- rance of 0.05 –...

  • Page 14: Bobbin Case Opener Stroke

    Justierung Bobbin case opener stroke .05.10 Requirement When the balance wheel is turned 1. The beak 4, when it is at the right point of reversal of the bobbin case opener 1, should rise from the needle plate 5 by the thickness of the thread. 2.

  • Page 15: Adjusting The Shortened Trim Stitch

    Justierung Adjusting the shortened trim stitch .05.11 Requirement For the trim stitch the machine should carry out a stitch length of 0.5 – 1.0 mm. Fig. 1 - 11 ● Adjust lever 1 (screws 2) in accordance with the requirement.

  • Page 16: Bobbin Winder

    Justierung Bobbin winder .05.12 Requirement 1. When the bobbin winder is engaged, the winding spindle must be driven reliably. When it is disengaged, friction wheel 3 should not be touching drive wheel 1. 2. When it is switched off, the bobbin winder must click securely into its end position (knife raised).

  • Page 17: Thread Check Spring And Thread Regulator

    Justierung Thread check spring and thread regulator .05.13 Requirement 1. The movement of thread regulator 3 must be completed 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 hook, the check thread spring 3 should rise slightly from the rest 1.

  • Page 18: Sewing Foot Pressure

    Justierung Sewing foot pressure .05.14 Requirement The material should be fed properly even at maximum speed and with the smallest stroke. Fig. 1 - 14 ● Turn adjustment wheel 1 in accordance with the requirement.

  • Page 19: Lubrication

    Justierung Lubrication .05.15 Requirement After a running time of 10 seconds a thin fi lm of oil should be visible on paper strip 1 when this is held over the hook. Fig. 1 - 15 ● Check that the machine is fi lled with oil and that the oil lines are free of air. ●...

  • Page 20: Limiting The Stitch Length

    Justierung Limiting the stitch length .05.16 When exchanging the parts kit with stitch lengths differing from the as-deliv- ered state of the machine, limit the max. stitch length using stitch adjuster 4. Fig. 1 - 16 ● Set the desired max. stitch length at control button 1 (on model A, B and C = 4.5 mm, on model AN, BN and CN = 6.0 mm) ●...

  • Page 21: Re-Engaging The Slip-Clutch

    Justierung Re-engaging the slip-clutch .05.17 Clutch 1 is adjusted at the works. In the case of a thread jamming, clutch 1 will disengage, in order to avoid damage to the hooks. The following describes how to re-engage clutch 1. Fig. 1 - 17 ●...

  • Page 22: Adjusting The Thread Trimmer -900/81

    Justierung Adjusting the thread trimmer -900/81 Resting position of roller lever/radial position of control cam .06.01 Requirement 1. When the take-up lever is at t.d.c. (balance wheel position 60 °), control cam 1 should just have moved roller lever 5 into its basic position. 2.

  • Page 23: Position And Height Of The Thread Catcher

    Justierung Position and height of the thread catcher .06.02 Requirement When the needle bar is positioned at b.d.c. (balance wheel position 180°) the edges of thread catcher 3 and knife 5 should be fl ush (see arrow). 127-096 Fig. 1 - 23 ●...

  • Page 24: Knife Pressure

    Justierung Knife pressure .06.03 Requirement When the front edge of thread catcher 3 is 5 – 6 mm in front of the knife blade, the knife 4 should be touching the catcher edge with slight pressure. Fig. 1 - 24 ●...

  • Page 25: Bobbin Thread Clamp Spring

    Justierung Bobbin thread clamp spring .06.04 Requirement When the thread trimmer is in its cutting position, the clamp spring should slightly touch the thread catcher and hold the thread reliably. Fig. 1 - 25 ● Adjust clamp spring 1 (screw 2) in accordance with the requirement. ●...

  • Page 26: Manual Cutting Test

    Justierung Manual cutting test .06.05 Requirement 1. 1. When moving forward, thread catcher 1 must not move bobbin thread 3 2. When thread catcher 1 is at its front point of reversal, bobbin thread 3 should be in the centre of the marked area (see arrow). 3.
  • Page 27 Justierung Consult the instruction manual for the drive for a description of the parameter settings and a list of the parameters.

  • Page 28: Circuit Diagrams

    Block diagram Stromlaufpläne Version 10.08.10 Circuit diagrams Block diagram PFAFF 2542 with control pack P74 ED-L Synchronizer PD 6 2542 Y3, Y4, Y5, Y6, Y9 Y8, Y14, Y1X, R1 BDF - PICO TOP Optional Light barrier A 20 power supply unit XA20 Ministop drive unit...
  • Page 29 Circuit diagrams Circuit diagrams PFAFF 2542 Reference list for the Circuit diagrams 91-191 519-95 Steuergerät P74 ED-L X2.2 Synchronizer PD 6 Controller P74 ED-L Speed control unit Control panel (PicoTop) PicoTop control panel Sewing head recognition (OTE) Input/output plug Oil sensor (2C-Bus) Light barrier plug &...
  • Page 30 Circuit diagrams 91-191 519-95 Version 20.04.12 Part 1...
  • Page 31 91-191 519-95 Circuit diagrams Part 2 Version 10.08.10...
  • Page 32 Circuit diagrams 91-191 519-95 Version 20.04.12 Part 3...
  • Page 33 91-191 519-95 Circuit diagrams Part 4 Version 10.08.10...
  • Page 34 Block diagram Block diagram PFAFF 2542 with PF 321 Synchronizer PD 6 PD 6 2542 Y3, Y4, Y5, Y6, Y8, Y14, Y1X, R1 (Option) (Option) Adapter 1113229 B 41 B 80 ST 2 B 18 B 776 for Software BDF = Control panel download UWF = Lower thraed monitor SWG = Speedcontrolunit...
  • Page 35 Note...
  • Page 36 PFAFF Industriesysteme und Maschinen AG Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Phone: +49 - 6301 3205 - 0 Fax: +49 - 6301 3205 1386 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 Printed in Germany...

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