Pfaff 3371-1 series Adjustment Manual
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Pfaff 3371-1 series Adjustment Manual

Pfaff 3371-1 series Adjustment Manual

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Enlarged version
3371
-1/..
Adjustment Manual
This Adjustment manual applies to machines from software
version 0335/009 and serial number 6 001 000 onwards
296-12-18 619/002
Justieranleitung engl. 06.05

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Summary of Contents for Pfaff 3371-1 series

  • Page 1 3371 -1/.. Adjustment Manual This Adjustment manual applies to machines from software version 0335/009 and serial number 6 001 000 onwards 296-12-18 619/002 Justieranleitung engl. 06.05...
  • 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 Industrie Maschinen AG Postfach 3020 D-67653 Kaiserslautern Königstr. 154 D-67655 Kaiserslautern...

  • Page 3: Table Of Contents

    Contents Contents .................Chapter – Page Adjustment ........................ 14 - 1 Notes on adjustment....................14 - 1 Tools, gauges and other accessories ................14 - 1 Abbreviations ......................14 - 1 Explanation of the symbols ..................14 - 1 Basic position of the machine ..................14 - 2 Work clamp zero point ....................

  • 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: Basic Position Of The Machine

    Adjustment Basic position of the machine Requirement After the machine has been switched on, it should position in t.d.c. needle bar. 3,5 mm Fig. 14 - 01 Switch on the machine. Hold clutch 1 (screws 2) and bring the needle bar into the appropriate position by turning the balance wheel.

  • Page 6: Work Clamp Zero Point

    Adjustment Work clamp zero point Requirement After the machine ahs been switched on and parameter "608" selected, 1. the needle should be centred to the hole in the adjustment gauge, 2. the switch lugs 2 and 4 should be centred to the respective initiator. Fig.
  • Page 7 Adjustment Fine adjustment Switch on the machine. In the input mode, select parameter "608", see Chapter 11.03 Parameter input in the instruction manual. If necessary, enter the access code, see Chapter 11.04.01 Entering the access code in the instruction manual. With the corresponding plus/minus key move the work clamp drive unit in accordance with requirement 1, also see Chapter 11.03 Parameter input.

  • Page 8: Aligning The Work Clamp

    Adjustment Aligning the work clamp Requirement The work clamp should be aligned in "X" and "Y" direction, so that it does not touch the needle during sewing. Fig. 14 - 03 Switch on the machine. Set the sewing area size (see Chapter 9.07 Adjusting the size of sewing area in the instruction manual) In the input mode, select parameter "610", see Chapter 11.03 Parameter input in the instruction manual...
  • Page 9 Adjustment Call up parameter "609". Checking the "X-direction" Move along the maximum set sewing area size in "X-direction" by pressing the corresponding plus/minus keys. If necessary adjust the position of work clamp 1 by entering a correction value "X" with the corresponding plus/minus keys in "X-direction"...

  • Page 10: Hook Driver

    Adjustment Hook driver Requirement 1. When the balance wheel is turned, the machine should not bind. 2. The play of catch 7 should be less than 0.1 mm. Fig. 14 - 04 Remove the hook. Loosen screws 1, 2 and 3 (remove motor 4). Move the eccentric shaft 5 in accordance with requirement 1 and twist it in accordance with requirement 2.

  • Page 11: Needle Height

    Adjustment Needle height Requirement With the needle bar in b.d.c., depending on the sub-class the marking on needle bar 1 1 1 1 1 described below should be flush with the lower edge of the needle bar bush: Sub-class -1/01 top marking, Sub-class -1/11 second marking from the bottom.

  • Page 12: Hook-To-Needle Clearance

    Adjustment Hook-to-needle clearance Requirement When the bottom marking of the ascending needle bar is level with the lower edge of the needle bar bush 1. hook 5 should be 0.05 – 0.1 mm behind the needle and 2. the distance between the needle and the tip of the hook race should be 7.5 mm. 0,05 - 0,10 mm 0,05 - 0,10 mm 7,5 mm...

  • Page 13: Needle Rise And Needle Guard

    Adjustment Needle rise and needle guard Requirement When the bottom marking of the ascending needle bar is level with the lower edge of the needle bar bush 1. the hook point should be centred to the needle and 2. the needle guard (see arrow) should slightly touch the needle. Fig.

  • Page 14: Aligning The Hook Race Cover

    Adjustment Aligning the hook race cover Requirement The needle should be centred to cutout B and the rear side of the needle flush to the imaginary line A. Fig. 14 - 08 Move the hook race cover 1 (screws 2) in accordance with the requirement. 14 - 11...

  • Page 15: Work Clamp Height

    Adjustment Work clamp height Requirement 1. The work clamp should be 13 mm above the upper edge of the needle plate. 2. Both halves of the work clamp should be parallel to each other. 13 mm Fig. 14 - 09 Turn lever 1 (nut 2 and screw 3) in accordance with requirement 1.

  • Page 16: Position Of The Thread Wiper

    Adjustment Position of the thread wiper Requirement When the thread wiper is centred to the needle, its lower edge should be 14 – 15 mm above the upper edge of the needle plate. Fig. 14 - 10 Bring the thread wiper 1 into the appropriate position by operating the work clamp manually.

  • Page 17: Position Of The Control Cam

    Adjustment Position of the control cam Requirement 1. The markings on control cam 1 and arm shaft 3 should correspond with each other. 2. The outer edge of control cam 1 should be at a distance of 32.5 mm from the metal surface of the case.

  • Page 18: Position Of The Control Roller

    Adjustment Position of the control roller Requirement When the needle bar is at its b.d.c., the control roller should be centred to the running path of control cam 2. Fig. 14 - 12 Turn screw 3 (nut 4) in accordance with the requirement. For checking purposes, operate lever 1 by hand to let the control roller fall into the running path of control cam 2.

  • Page 19: Position Of The Drive Shaft Of The Thread Trimmer

    Adjustment Position of the drive shaft of the thread trimmer Requirement When the thread trimmer is in its basic position, shaft 1 should be flush with the metal edge of the machine case. Fig. 14 - 13 Move shaft 1 (screws 2 and 3) in accordance with the requirement. 14 - 16...

  • Page 20: Aligning The Stop Plate

    Adjustment Aligning the stop plate Requirement When the thread trimmer is in its basic position, there should be a clearance of 0.3 mm between lever 3 and plate 1. Fig. 14 - 14 Move plate 1 (screws 2) in accordance with the requirement. 14 - 17...

  • Page 21: Adjusting The Trimmer Solenoid

    Adjustment Adjusting the trimmer solenoid Requirement When the thread trimmer is in its neutral position, solenoid 1 should be at a distance of 5 mm from the case. 5 mm Fig. 14 - 15 Turn nut 1 (nut 2) in accordance with the requirement. 14 - 18...

  • Page 22: Adjusting The Engaging Lever

    Adjustment Adjusting the engaging lever Requirement When the thread trimmer is in its neutral position, pin 3 should be at a distance of 0.5 mm from release trip 4. 0,5 mm Fig. 14 - 16 Move lever 1 (screws 2) in accordance with the requirement. 14 - 19...

  • Page 23: Position Of The Thread Catcher And Knife

    Adjustment Position of the thread catcher and knife Requirement When the machine is in its basic position 1. the tip of the thread catcher 1 should be at a distance of 4.5 mm from the centre of the needle hole. 2.

  • Page 24: Position Of The Release Trip

    Adjustment Position of the release trip Requirement The slots of trip 1 should be touching screws 2 on the right side. Fig. 14 - 18 Move trip 1 (screws 2) in accordance with the requirement. If the needle thread is too short after trimming, trip 1 can be slightly readjusted. 14 - 21...

  • Page 25: Position Of The Release Catch

    Adjustment Position of the release catch Requirement When lever 6 is touching release catch 7, there should be a distance of 0.3 mm between drive lever 5 and pin 1. Fig. 14 - 19 Turn the balance wheel until pin 1 is no longer on the release trip 2. Release spring 3 and loosen screws 4.

  • Page 26: Needle Thread Tension Release

    Adjustment Needle thread tension release Requirement After thread trimming the distance X between tension discs 3 should be 0.6 – 0.8 mm for normal materials and 0.8 – 1.0 mm for heavy materials. Fig. 14 - 20 Bring the machine into the cutting position by hand. Move lever 1 (screw 2) in accordance with the requirement.

  • Page 27: Thread Check Spring And Thread Regulator

    Adjustment Thread check spring and thread regulator Requirement 1. The thread check spring 1 should have a 6 – 8 mm stroke. 2. Screw 4 should be positioned in the centre of the slot of thread regulator 3. Fig. 14 - 21 Adjust thread check spring 1 (screw 2) in accordance with requirement 1.

  • Page 28: Bobbin Winder Drive Wheel

    Adjustment Bobbin winder drive wheel Requirement 1. The should be a distance of approx. 10.5 mm between drive wheel 1 and the metal edge of the machine case. 2. When the bobbin winder is switched on, its friction wheel should be driven by drive wheel 1.

  • Page 29: Work Clamp Initiator

    Adjustment Work clamp initiator Requirement When the work clamp is lowered and shortly before lever 5 in the machine arm touches stop 6, the initiator should switch on (input "3" parameter "601" is positioned at "off"). Fig. 14 - 23 Switch on the machine and press the "TE"...

  • Page 30: Changing The Work Clamp

    Adjustment Changing the work clamp Y Y Y Y Y Fig. 14 - 24 Measure the cutout of the new work clamp in X- and Y-direction. Adjust the sewing area size as described in Chapter 9.07 of the instruction manual. Fit the new work clamp and align it in as described in Chapter 14.07.

  • Page 31: Cold Start

    Adjustment Cold start When a cold start is carried out, the seam patterns 50 – 99 and all altered parameter settings are deleted! The machine is reset to its condition on delivery, the machine’s zero points remain unaffected. Switch on the machine. Select parameter "607"...

  • Page 32: Internet Update Of The Machine Software

    Adjustment 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 33: List Of Parameters

    Adjustment List of parameters Group Parameter Description Setting Set value range Maximum speed 500 – 2700 2700 This parameter is used to fix the max. sewing speed (upper limit). Sewing speed for start stitches With this parameter the speeds for the 5 start stitches are fixed.
  • Page 34 Adjustment Group Parameter Description Setting Set value range Speed for the "winding" function 500 2700 1500 This parameter is used to fix the speed for the winding operation. Via zero point to starting point after end of sequence ON –OFF With this parameter it is possible to choose that, after the end of the sequence, the X-, Y-drive moves to the...
  • Page 35 Adjustment Group Parameter Description Setting Set value range Clamp solenoid Operating time [10 ms] 5 – 100 The time, for which the solenoid is under full current, is entered. Clamp solenoid duty-cycle [%] 5 – 100 At the end of the clamp solenoid operating time (Parameter "017") the solenoid is clocked.
  • Page 36 Adjustment Group Parameter Description Setting Set value range Software version main processor 0335/xxx The software version of the main processor is displayed Software version sewing drive unit V.xx The software version of the sewing drive module is displayed. Software version control panel V.xxx/ H.xxx The soft- and hardware version of the control panel are displayed.
  • Page 37 Adjustment Group Parameter Description Setting Set value range Connect outputs With this function the outlets can be connected. "OUT" shows the outlet selected (1-16). Under "VAL" the selected output is set (S) with the plus/minus key (+), and reset (R) with the plus/minus key.
  • Page 38 Adjustment Group Parameter Description Setting Set value range Cold start (RESET) With this function the control unit carries out a cold start (RESET) with which the data is reset. After this function has been selected, the machine must be switched off and then on again.
  • Page 39 Adjustment Group Parameter Description Setting Set value range The function groups and the functions Programming the Function Keys P, P1-P8 and C1-C3 can be released for manipulation (ON) or locked (OFF). If a function group is suppressed, its parameters cannot be changed until a valid access code has been entered.

  • Page 40: Error Messages On The Display

    Adjustment Error messages on the display Following error messages are shown on the control panel display. ERROR: 1 Processor error STACK_OVERFLOW ERROR: 2 Processor error STACK_UNDERFLOW ERROR: 3 Processor error UNDEF_OPCODE ERROR: 4 Processor error PROTECTION_FAULT ERROR: 5 Processor error ILLEGAL_WORD_OPERAND ERROR: 6 Processor error ILLEGAL_INSTRUCTION ERROR: 7...

  • Page 41: Sewing Motor Errors

    Adjustment ERROR: 301 Raise clamp not completed ERROR: 302 Lower clamp not completed ERROR: 303 Raise clamp locked (needle position) ERROR: 304 Lower clamp locked (needle position) ERROR: 305 Thread wiper on locked (needle position) ERROR: 401 Error sewing motor ERROR: 402 Overload data transfer sewing motor ERROR: 403...

  • Page 42: Circuit Diagrams

    Circuit diagrams Schaltpläne Circuit diagrams Circuit diagram reference list Controller Quick P320MS Control panel S2 Sewing head recognition system (OTE) Hybrid light barrier Y axis Hybrid light barrier X axis Sewing lamp Sewing motor Stepping motor Y axis Stepping motor X axis Main switch Pedal speed control unit Mains switch...
  • Page 43 91-191 486-95 Circuit diagrams Page 1 Version 13.10.04 15 - 2...
  • Page 44 Circuit diagrams 91-191 486-95 Version 13.10.04 Page 2 15 - 3...
  • Page 45 91-191 486-95 Circuit diagrams Page 3 Version 13.10.04 15 - 4...
  • Page 46 Circuit diagrams 91-191 486-95 Version 13.10.04 Page 4 15 - 5...
  • Page 47 Notes...
  • Page 48 PFAFF Industrie Maschinen AG Postfach 3020 D-67653 Kaiserslautern Königstr. 154 D-67655 Kaiserslautern Telefon: (0631) 200-0 Telefax: (0631) 17202 E-Mail: info@pfaff-industrial.com...

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