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Pfaff 3834-14/11 Instruction Manual

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3834
- 14/11, -14/31

INSTRUCTION MANUAL

This instruction manual applies to machines
from the following serial numbers onwards:
# 2 733 153
296-12-18 936/002
. 06.09
Betriebsanleitung engl

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Summary of Contents for Pfaff 3834-14/11

  • Page 1: Instruction Manual

    3834 - 14/11, -14/31 INSTRUCTION MANUAL This instruction manual applies to machines from the following serial numbers onwards: # 2 733 153 296-12-18 936/002 . 06.09 Betriebsanleitung engl...
  • Page 2 This Instruction manual is valid for all models and subclasses listed in the chapter "Specifications". The reprinting, copying or translation of PFAFF Instruction Manuals, whether in whole or in part, is only permitted with our previous authorization and with written reference to the source.

  • Page 3: Table Of Contents

    Danger .......................... 1 - 4 Proper use........................2 - 1 Specifications ......................3 - 1 PFAFF 3834-14/11 and -14/31 ..................3 - 1 Model, needle and thread ..................... 3 - 1 Disposal of machine ....................4 - 1 Transport, packaging and storage ................5 - 1 Transportation to customer’s premises ................
  • Page 4 Index Contents ................. Chapter - Page Commissioning the machine ..................8 - 8 Turning the machine on/off ................... 8 - 8 Preparation ........................9 - 1 Inserting the needle ...................... 9 - 1 Winding the bobbin thread, adjusting the thread tension ..........9 - 2 Removing/inserting the bobbin case ................
  • Page 5 Clearance between roller presser and feed wheel ............13 - 9 .04.08 Roller presser ......................13 - 10 .04.09 Puller (only on the PFAFF 3834-14/31) ................ 13 - 11 .04.10 Roller presser height level switch ................13 - 12 .04.11 Automatic presser foot lift ..................13 - 13 .04.12...

  • Page 6: Safety

    Safety Safety Directives This machine is constructed in accordance with the European regulations contained in the conformity and manufacturer’s declarations. In addition to this Instruction Manual, also observe all generally accepted, statutory and other regulations and legal requirements and all valid environmental protection regulations! The regionally valid regulations of the social insurance society for occupational accidents or other supervisory organizations are to be strictly adhered to! General notes on safety...

  • Page 7: Safety Symbols

    ● It is the obligation of the user to ensure that none of the safety mechanisms are removed or deactivated. ● It is the obligation of the user to ensure that only authorized persons operate and work on the machine. Further information can be obtained from your PFAFF agent. 1 - 2...

  • Page 8: Operating And Specialist Personnel

    Safety Operating and specialist personnel Operating personnel .05.01 Operating personnel are persons responsible for the equipping, operating and cleaning of the machine as well as for taking care of problems arising in the sewing area. The operating personnel is required to observe the following points and must: ●...

  • Page 9: Danger

    Safety Danger A working area of 1 meter is to be kept free both in front of and behind the machine while it is in operation so that it is always easily accessible. Never reach into the sewing area while sewing! Danger of injury by the needle! Never leave objects on the table while adjusting the machine settings! Objects can become trapped or be slung away!

  • Page 10: Proper Use

    Proper use Proper use The PFAFF 3834-14/11 is a high-speed, single needle, postbed sewing machine (post to the right of the needle) with forwards and reverse feeding feed-wheel . The PFAFF 3834-14/31 is a high-speed, single needle, postbed sewing machine (post to the right of the needle) with forwards and reverse feeding feed-wheel and driven puller.

  • Page 11: Specifications

    Specifications Specifications ▲ PFAFF 3834-14/11 und -14/31 Stitch type: ....................301 (lockstitch) Fabric clearance: ......................9 mm Clearance width: ....................245 mm Clearance height: ....................115 mm Post height: ......................180 mm Dimensions of sewing head: Length: ...................... approx. 615 mm Width: .......................

  • Page 12: Disposal Of Machine

    Disposal of machine Disposal of machine ● The proper disposal of the machine is the responsibility of the customer. ● The materials used in the machines are steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. ●...

  • Page 13: Transport, Packaging And Storage

    Transport, packaging and storage Transport, packaging and storage Transportation to customer’s premises All machines are delivered completely packed. Transport within the customer’s premises The manufacturer bears no liability for transport within the customer’s premises or to the in- dividual locations of use. Always ensure that the machine is only transported upright. Disposal of the packaging The packaging of these machines consists of paper, cardboard and VCE fiber.

  • Page 14: Explanation Of The Symbols

    Explanation of the symbols Explanation of the symbols In the following section of this Instruction Manual, certain tasks or important pieces of information are accentuated by symbols. The symbols used have the following meanings: Note, information Cleaning, care Lubrication, greasing Servicing, repairing, adjustment, maintenance (only to be carried out by specialist personnel) 6 - 1...

  • Page 15: Controls

    Controls Controls On/Off switch ● Turn the machine on/off by turning On/Off switch 1. Fig. 7 - 01 Pedal 0 = Neutral position 1 = Sewing 2 = Raise roller presser 3 = Cut sewing thread and raise roller presser 1 + 4 = Apply variable amount of fullness The current fullness is shown on a bar diagram on the display...

  • Page 16: Machine Head Keys

    Controls Machine head keys ● When the respective key is operated, a certain function is carried out. Key 1: Sewing in reverse As long as the key is operated, the feed direction is reversed. Key 2: The roller presser feed stroke is reduced by pressing this key.

  • Page 17: Knee Switch

    Controls Knee switch ● By operating the knee switch 1, in the fixed programs and in programmed sewing it is possible to signal the end of the seam section. To make it possible to switch to the next seam section in programmed sewing, parameter "201"...

  • Page 18: Control Panel

    Controls Control panel 2 GB max. Fig. 7 - 06 The current operating conditions are displayed on control panel 1. Operation takes place in a constant dialogue between the control unit and the operator. For this purpose, depending on the operating condition of the machine, different symbols and/or texts are displayed. If the symbols or texts are framed, these show functions which can be selected by pressing the appropriate position on the monitor.

  • Page 19: Mounting And Commissioning The Machine

    Mounting and commissioning the machine Mounting and commissioning the machine The machine must only be mounted and commissioned by qualified personnel! All relevant safety regulations are to be observed! If the machine is delivered without a table, it must be ensured that the frame and the table top which you intend to use can hold the weight of the machine and the motor.

  • Page 20: Fitting The Tilt Lock

    Mounting and commissioning the machine Fitting the tilt lock .01.02 Switch off the machine! Danger of injury if the machine is the machine is started accidentally! ● Attach the tilt lock 1 and 2 from the accessories with screws 3 and 4. Do not operate the machine without tilt lock 1.

  • Page 21: Mounting The Flange Motor

    Mounting and commissioning the machine Mounting the flange motor Mounting the flange motor to the bearing plate .02.01 Fig. 8 - 04 ● Attach bearing plate 1 to motor 2 with screws 3 as shown in Fig. 8 - 04. ●...

  • Page 22: Connecting The Plug-In Connections And Earth Cables

    Mounting and commissioning the machine Connecting the plug-in connections and earth cables .02.03 63-011 Fig. 8 - 06 ● Connect all plugs as labelled to the control box 1. ● Screw the earth cable from the sewing head to earth point A. ●...
  • Page 23 Mounting and commissioning the machine Mounting the toothed belt / Basic position of the machine drive unit .02.04 ● Switch on the machine. ● Call up the input mode. ● Select the service menu. ● Enter the code number, see Chapter 9.12 Entering/altering the code number. ●...

  • Page 24: Mounting The Belt Guard Of The Flange Motor

    Mounting and commissioning the machine Fig. 8 - 07 ● Move bearing plate 6 of the motor, so that toothed belt 5 is stretched. ● In this position tighten screws 7. ● Turn the balance wheel in sewing direction until the needle point descending from above, is level with the top edge of the needle plate and re-check the value.

  • Page 25: Connecting The Safety Switch

    Mounting and commissioning the machine Connecting the safety switch .02.06 ● Connect plug 1 of safety switch 2 as shown in Fig. 8-09. When the sewing head is tilted back, the safety switch prevents the machine starting when the main switch is on. Fig.

  • Page 26: Mounting The Spool Holder

    Mounting and commissioning the machine Mounting the spool holder ● Mount the spool holder as shown in Fig. 8 - 10. ● Insert the spool holder into the hole in the table top and affix it with the nuts enclosed. Fig.

  • Page 27: Preparation

    Preparation Preparation All regulations and instructions in this Instruction Manual are to be observed! Special attention is to be paid to the safety regulations! All preparation work is only to be carried out by appropriately trained personnel. Before all preparation work, the machine is to be separated from the electricity supply by removing the plug from the mains or switching off the On/Off switch! Inserting the needle Switch off the machine!

  • Page 28: Winding The Bobbin Thread, Adjusting The Thread Tension

    Preparation Winding the bobbin thread, adjusting the thread tension Fig. 9 - 02 ● Place an empty bobbin 1 onto bobbin winder spindle 2. ● Thread the bobbin in accordance with Fig. 9 - 02 and wind it clockwise around bobbin 1 a few times.

  • Page 29: Removing/Inserting The Bobbin Case

    Preparation Removing/inserting the bobbin case Turn the machine off! Danger of injury if the machine is started accidentally! Removing the bobbin case: ● Open the post cap. ● Raise latch 1 and remove bobbin case 2. Inserting the bobbin case: ●...

  • Page 30: Threading The Needle Thread / Adjusting The Needle Thread Tension

    Preparation Threading the needle thread Fig. 9 - 05 Switch off the machine! Danger of injury if the machine is started accidentally! ● Thread the machine as shown in Fig. 9-05. 9 - 4...

  • Page 31: Setting The Needle Thread Function

    Preparation Setting the needle thread function ● Switch on the machine. ● Increase or reduce the thread tension. The value for the thread tension can be read on the display from the numerical value, e.g. 50, and on the bar graph display. In the manual sewing mode and in the fixed programs 1 and 2, the thread tension can be changed directly.

  • Page 32: Selecting The Program Number

    Preparation Selecting the program number ● Switch on the machine. ● Call up the program number input menu. ● Select the desired program number. ● Confirm the selection and quit the selection menu. The type of sewing is stipulated with the selection of the program number, see Chapter 10 Sewing.

  • Page 33: Setting The Stitch Lengths

    Preparation Setting the stitch lengths In the manual sewing mode and in the fixed programs 1 and 2, the feed strokes of the roller presser and feed wheel can be changed directly. ● Switch on the machine. ● Call up the stitch length input menu. ●...

  • Page 34: Entering The Fullness Area For The Pedal Adjustment

    Preparation Entering the fullness area for the pedal adjustment With parameter "107" it is possible to stipulate the maximum feed stroke of the roller pres- ser, which can be called up in infinite variations with the fullness pedal (left pedal). ●...

  • Page 35: Entering The Start And End Backtacks

    Preparation Entering the start and end backtacks In the manual sewing mode and in the fixed programs 1 and 2 the selection of start and end backtacks and the input of the corresponding values can be carried out directly. In addition to the backtacks it is also possible to define a placement stitch for the beginning of the seam.

  • Page 36: Switching On / Adjusting The Bobbin Thread Control With The Stitch Count Function

    Preparation ● If applicable, activate the stitch placement function and enter the value for the stitch position. ● Conclude the start backtack input. ● Call up the backtack input menu. The input for the end backtack value is analogous to that for the start backtack. The pedal-controlled backtack speed and the stitch placement position cannot be selected at the end of the seam.
  • Page 37 Preparation ● Select parameter "104". ● Switch on the bobbin thread control with the reverse stitch count function (value "1"). ● Select parameter "105". 5000 ● Enter the number of stitches, which are to be sewn with one bobbin. ● Conclude the input. When the number of stitches entered have been sewn, the diode on the sewing head panel flashes.

  • Page 38: Entering / Altering The Code Number

    Preparation Entering / altering the code number ● Switch on the machine. ● Call up the input mode. ● Select parameter "800". CODE ● Select the code number input menu. ● Enter the code number on the number keys (factory code setting is "1500"). CODE: 1500 0 - 9999 9 - 12...
  • Page 39 Preparation ● Take over the code number entered. CODE The code input remains stored until the machine is switched off at the main switch. As long as the machine is not switched off, all parameters are freely accessible without having to enter the code number again. ●...

  • Page 40: Adjusting The Control Panel

    Preparation Adjusting the control panel ● Switch on the machine. ● Call up the input mode. ● Select the service menu. ● Select control panel functions. ● Change the display contrast. ● Switch the key tone off or on. Never reduce the display contrast to the extent, that the display can no longer be read! 9 - 14...

  • Page 41: Sewing

    Sewing Sewing In the sewing mode all relevant settings for the sewing operation are displayed on the screen and can be altered with the corresponding functions. In the sewing mode a difference is made between manual sewing, sewing with fixed programs and programmed sewing.
  • Page 42 Sewing Start backtack This opens the menu for entering the seam start, see Chapter 9.10 Entering the start and end backtacks. End backtack This opens the menu for entering the seam end, see Chapter 9.10 Entering the start and end backtacks. Thread tension This changes the needle thread tension, see Chapter 9.06 Adjusting the needle thread tension.

  • Page 43: Sewing With Fixed Programs

    Sewing Sewing with fixed programs Fixed programs are stored under the program numbers 1 and 2. The fixed programs are used for the quick and easy production of seams with different stitch lengths or amounts of fullness. When sewing with fixed programs, 2 or 3 seam sections are sewn after each other.
  • Page 44 Sewing Thread tension This changes the needle thread tension, see Chapter 9.06 Adjusting the needle thread tension. Needle raised Moves the needle to its highest position (t.d.c take-up lever.) Winding the bobbin thread Enables winding without the feed motion of roller presser and feed wheel, see Chapter 9.02 Winding the bobbin thread / Adjusting the bobbin winder tension.

  • Page 45: Programmed Sewing

    Sewing Programmed sewing With the program numbers 3 – 49 it is possible to call up previously programmed seams. In programmed sewing all seam sections for setting a sleeve are set in one seam program. The information about the seam program, such as program number, number of programmed seam sections, programmed comments and garment size is displayed.
  • Page 46 Sewing Stitch length roller presser / fullness adjustment This function is used to display and alter the current values for the feed stroke of the roller presser and the fullness adjustment, see Chapter 10.03.01 Fullness adjustment. Stitch length feed wheel Shows the current value for the feed stroke of the feed wheel.

  • Page 47: Fullness Adjustment

    Sewing Fullness adjustment .03.01 In programmed sewing the programmed fullness can be corrected directly without changing the seam program. It is only possible to enter a fullness adjustment if an amount of fullness is programmed in at least one seam section. The fullness adjustment can have an effect on the complete seam program or merely on the current seam section.

  • Page 48: Program Interruption

    Sewing Program interruption .03.03 With the "program interruption" function the programmed seam sequence is interrupted (e.g. if the thread breaks). ● Interrupt program sequence. ● If necessary, tact forwards or backwards through the sections of the seam program. ● If necessary, alter the seam backtacks and thread tension and carry out the other functions as in manual sewing, see Chapter 10.01 Manual sewing.

  • Page 49: Input

    Input Input In the input mode the functions parameter input, information, creating/adjusting a sewing program, teach-in, program administration and service are available. ● Switch on the machine. ● Call up the input mode. Explanation of the functions Sewing mode Quit the input mode and call up the sewing mode. Parameter selection Select the hundred and unit figures of the desired parameters, see Chapter 13.06.02 Example of a parameter input.

  • Page 50: Seam Program Input

    Input Seam program input Seam programs can be created by entering parameters in the "Creating/adjusting a seam program" function, or by sewing a sample with the "Teach in" function. Irrespective of which function is being used, first of all it is necessary to select the program number and the basic settings of the seam program, which is to be sewn.
  • Page 51 Input ● Set the feed stroke for the feed wheel as basic stitch length. ● Set the seam type (by pressing the appropriate symbol several times until the appropriate seam type is displayed). Example in this case: right and left sleeve seam, beginning with the right seam. ●...

  • Page 52: Seam Program Input With The "Creating/Adjusting A Program" Function

    Input Seam program input with the "Creating/adjusting a program" function .01.02 With this function the seam program is entered by entering or changing the appropriate values on the control panel. This type of seam program input is particularly suitable for adjusting existing seam programs.
  • Page 53 Input ● Select a seam type. It is only possible to select the right or left sleeve seam if the seam type "right and left sleeve seam" was selected in the basic setting, see Chapter 11.01.01 Basic setting for seam program input. ●...

  • Page 54: Seam Program Input With The "Teach-In" Function

    Input Seam program input with the "Teach-in" function .01.03 With this function the seam program is created by sewing a sample. A new program is always created, i.e. if an existing program is selected, this will be overwritten. ● Switch on the machine. ●...
  • Page 55 Input After sewing the following displays and functions appear on the screen. ● Switch to next seam section. The switch to the next seam section can be effected, by operating the appropriate function ("cut-in marking") or by pressing the knee switch (if parameter "201" is set accordingly). ●...

  • Page 56: Examples Of How To Create Seam Programs

    Input Examples of how to create seam programs Example of a seam program input using the .02.01 "Creating/adjusting a program" function The seam program to be created should consist of a right and a left sleeve seam (beginning with the right) contain 2 seam sections be based on a basic size 50 (German men’s size) have a basic stitch length of 2.5 mm...
  • Page 57 Input In the first seam section the seam length should be 50 mm and the roller presser should work with a feed stroke (stitch length) of 2.6 mm. ● Select the value 2.6 for the feed stroke (stitch length) of the roller presser. ●...

  • Page 58: Example Of A Seam Program Input Using The "Teach In" Function

    Input Example of a seam program input using the "Teach in" function .02.02 The seam program to be created should consist of a right and a left sleeve seam (beginning with the right) contain 2 seam sections be based on a basic size 50 (German men’s size) have a basic stitch length of 2.4 mm be stored under the program number "5"...
  • Page 59 Input In the first seam section the graduation value should be "3.5", the roller presser should work with a feed stroke (stitch length) of 3.0 mm and the thread tension should be "+5". ● Select the value 3.0 for the feed stroke (stitch length) of the roller presser. ●...
  • Page 60 Input In the second seam section the graduation value should be "0", the roller presser should work with a feed stroke (stitch length) of 2.7 mm and the thread tension should be "+5". ● Select the value 2.7 for the feed stroke (stitch length) of the roller presser. ●...
  • Page 61 Input In the first seam section the graduation value should be "3.5", the roller presser should work with a feed stroke (stitch length) of 2.8 mm and the thread tension should be "+5". ● Select the value 2.8 for the feed stroke (stitch length) of the roller presser. ●...
  • Page 62 Input ● Sew the second seam section with the pedal function. ● Activate the "end of program" function. ● By operating the pedal, carry out the thread trimming function, see Chapter 7.03 Pedal. ● Conclude the seam program input and change to the programmed sewing mode. LERNEN +0.0 11 - 14...

  • Page 63: Seam Program Administration

    Input Seam program administration In the program administration the seam programs deposited in the machine memory and the SD-Card can be deleted and copied. The left side of the display shows the programs in machine memory. The right side of the display shows the programs on the SD-Card. Selected programs are red marked.
  • Page 64 Input Dialog window The dialog window shows questions and additional buttons for the answers. Enter button Enter button Yes for one seam program. All button Yes for one or all marked seam programs. Esc button No for one or all marked seam programs. Next button No for one seam program.

  • Page 65: Care And Maintenance

    Care and Maintenance Care and Maintenance Cleaning ............. daily, several times if in continuous operation Oiling the hook ................daily, before operation Checking the oil levels ..............daily, before operation Lubricating the bevel gears ................once a year These maintenance intervals are calculated for the average running time of a single shift operation.

  • Page 66: Oiling The Hook

    Fig. 12 - 03 Use only oil with a mean viscosity of 22.0 mm /s at 40°C and a density of 0.865 g/cm at 15°C. We recommend PFAFF sewing machine oil Best.-Nr. 280-1-120 144. 12 - 2 11 - 2...

  • Page 67: Lubricating The Bevel Gears

    Use both hands to set the sewing head upright! Danger of crushing between the sewing head and the table top! We recommend PFAFF sodium grease with a dripping point of approx. 150C, Order No. 280-1-120 243. 12 - 3...

  • Page 68: Adjustment

    For the generally valid adjustments in this adjustment manual, illustrations of the PFAFF 3834-14/11 are used. These can be applied to the PFAFF 3834-14/31 in each of the relevant cases. Any special adjustments are indicated in the title.

  • Page 69: Adjusting The Basic Machine

    Adjustment Adjusting the basic machine Positioning the needle in the direction of sewing .04.01 Requirement The needle must penetrate the middle of the needle hole as viewed in the direction of sewing. 87-018 Fig. 13 - 01 ● Move the needle bar frame 1 ( screws 2 and 4 and nut 3 ) in accordance with the requirement.

  • Page 70: Positioning The Needle Across The Direction Of Sewing

    Adjustment Positioning the needle across the direction of sewing .04.02 Requirement The needle must penetrate the middle of the needle hole as viewed across the direction of sewing. Fig. 13 - 02 ● Move the feed wheel post 1 ( screws 2 and 3 ) in accordance with the requirement. Screws 3 remain loosened for the following adjustments.

  • Page 71: Preadjusting The Needle Height

    Adjustment Preadjusting the needle height .04.03 Requirement With the needle bar at TDC there must be approx. 21 mm between the point of the needle and the needle plate. 21 mm Fig. 13 - 03 ● Move the needle bar 1 ( screw 2 ) in accordance with the requirement without turning it. 13 - 4...

  • Page 72: Needle Rise, Hook-To-Needle Clearance, Needle Height And Needle Guard

    Adjustment Needle rise, hook-to-needle clearance, needle height and needle guard .04.04 Requirement When the needle bar is positioned at 2.0 mm after b.d.c. 1. The point of the hook must be pointing to the centre of the needle and have a clearance of 0.05 - 0.1 mm to the needle.
  • Page 73 Adjustment ● Taking the play of the bevel gear into account, tighten screws 2. ● Remove the adjustment pin from hole 5. ● Install the retaining collar 7 on bevel gear 8 and tighten screws 1. ● Tighten screws 3 on both sides of the post. ●...

  • Page 74: Height And Stroke Of The Bobbin Case Opener

    Adjustment Height and stroke of the bobbin case opener .04.05 Requirement 1. The top edges of the bobbin case opener 1 and bobbin case base 3 should be on one level. 2. When the bobbin case opener 1 has deflected the bobbin case to its furthest point, the catch of the bobbin case should be 0.3 - 0.5 mm from the back edge of the needle plate recess.

  • Page 75: Height Of The Feed Wheel

    Adjustment Height of the feed wheel .04.06 Requirement The feed wheel should jut 0.4 mm out of the needle plate. Fig. 13 - 06 ● Swing out the roller presser. ● Loosen screw 1. ● Adjust the eccentric ( screw 3 ), which is accessible through hole 2, in accordance with the requirement.

  • Page 76: Clearance Between Roller Presser And Feed Wheel

    Adjustment Clearance between roller presser and feed wheel .04.07 Requirement When lever 1 is raised, the clearance between feed band and feed wheel should be 7 mm. Fig. 13 - 07 ● Raise lever 1. ● Adjust the presser bar ( screws 2 ) in accordance with the requirement, making sure that the roller presser is parallel to the feed wheel.

  • Page 77: Roller Presser

    Adjustment Roller presser .04.08 Requirement When the roller presser 1 touches the feed wheel 6, 1. Seen in the direction of sewing, the roller presser should be parallel to the feed wheel 6, 2. Seen in the direction of sewing, the centre of the roller presser should be approx. 2 mm in front of the needle, 3.

  • Page 78: Puller (Only On The Pfaff 3834-14/31)

    Adjustment Puller .04.09 (only on the PFAFF 3834-14/31) Requirement The puller 1 should be positioned horizontally to the needle plate and the toothed belt of the puller should move freely. Fig. 13 - 09 ● Adjust puller 1 (screws 2) in accordance with the requirement.

  • Page 79: Roller Presser Height Level Switch

    Adjustment Roller presser height level switch .04.10 Requirement 1. There should be a space of approx. 1 mm between switch 1 and retaining collar 5. 2. When the roller presser is raised approx. 3mm with the hand lever, the diode 6 of switch 1 should light up.

  • Page 80: Automatic Presser Foot Lift

    Adjustment Automatic presser foot lift .04.11 Requirement When solenoid 1 is activated, lever 3 should drop automatically to raise the roller presser. Fig. 13 - 11 ● Adjust solenoid 1 ( screws 2 ) in accordance with the requirement. ● Switch on the machine and check the requirement. ●...

  • Page 81: Retainer

    Adjustment Retainer .04.12 Requirement The retainer 3 should just rest on the material, so that the material does not start fluttering during sewing. Fig. 13 - 12 ● Adjust pin 1( screw 2 ) according to the requirement. 13 - 14...

  • Page 82: Thread Check Spring

    Adjustment Thread check spring .04.13 Requirement 1. The motion of the thread check spring 7 must be completed when the needle point enters the material (spring stroke approx. 7 mm). 2. With the thread loop at its largest when it is guided around the hook, the thread check spring must be raised slightly above the workpiece rack 1.

  • Page 83: Bobbin Winder

    Adjustment Bobbin winder .04.14 Requirements 1. With the bobbin winder on, the bobbin winder spindle must engage reliably. With the bobbin winder off, the friction wheel 5 must not engage the drive wheel 1. 2. The bobbin winder must turn off automatically when the thread level is approx. 1 mm from the edge of the bobbin.

  • Page 84: Roller Presser Pressure

    Adjustment Roller presser pressure .04.15 Requirement The material should be fed without difficulty. No pressure marks should be visible on the material. Fig. 13 - 14 ● Adjust screw 1 ( under a cover ) in accordance with the requirement. If the roller presser pressure is low enough, the lowering speed of the roller presser can be increased with parameter "202".

  • Page 85: Locking The Set Value Transmitter

    Adjustment Locking the set value transmitter .04.16 Requirement The pedal for selecting the fullness ( left pedal ) should be held securely in every position without being too stiff. Fig. 13 - 15 ● Adjust screw 1 in accordance with the requirement. 13 - 18...

  • Page 86: Lubrication

    Adjustment Lubrication .04.17 Requirement After a running time of 10 seconds a fine line of oil should form on a strip of paper held next to the hook. Fig. 13 - 16 ● Check whether oil has been filled in and that there is no air in the oil lines. ●...

  • Page 87: Re-Engage Safety Coupling

    Adjustment Re-engage safety coupling .04.18 The coupling 1 is set by the manufacturer. When the thread jams, the coupling 1 disengages in order to avoid damage to the hooks. A description of how to engage the coupling follows. Fig. 13 - 17 ●...

  • Page 88: 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 .05.01 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 89: Position Of The Thread Catcher Holder

    Adjustment Position of the thread catcher holder .05.02 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 distance between the toothed segment 4 and the outer edge of the thread catcher holder 1 should be the same ( see arrow ).

  • Page 90: Distance Between Thread Catcher And Needle Plate

    Adjustment Distance between thread catcher and needle plate .05.03 Requirement During its swivel movement thread catcher 1 should not pass the edge of the needle plate ( see arrow ). Fig. 13 - 20 ● Move thread catcher 1 ( screws 2, two screws ) parallel to the thread catcher holder in accordance with the requirement.

  • Page 91: Position Of The Thread Catcher

    Adjustment Position of the thread catcher .05.04 Requirement 1. The bottom edge of the thread catcher 1 should be at a distance of 0.1 mm from the positioning finger of the bobbin case 5. 2. When the thread trimmer is in its neutral position, the rear edge of thread catcher should be positioned approx.

  • Page 92: Knife Position And Knife Pressure

    Adjustment Knife position and knife pressure .05.05 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. 87-048 Fig.

  • Page 93: Bobbin Thread Retaining Spring

    Adjustment Bobbin thread retaining spring .05.06 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 94: Manual Cutting Test

    Adjustment Manual cutting test .05.07 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 95: Parameter Settings

    Adjustment Parameter settings Overview of the parameter functions .06.01 After the machine has been switched on, by pressing the appropriate function the input mode is called up, in which the individual parameters can be called up directly. With a code it is possible to protect all or individual parameter groups against unauthorised access.

  • Page 96: Example Of A Parameter Input

    Adjustment Example of a parameter input .06.02 ● Switch on the machine. ● Call up the input mode. ● Select, e.g. parameter "104" (bobbin thread monitoring). ● Switch off e.g. bobbin thread monitoring (value "0"). ● Conclude input. 13 - 29...

  • Page 97: List Of Parameters

    Adjustment List of parameters .06.03 The operator has free access to the "100" parameters. Parameters "200" – "800" can only be changed after entering a code number and many only be changed by authorised personnel. Group Parameter Description Setting range value Start backtack, pedal-controlled (OFF = AUS, ON = EIN)
  • Page 98 Adjustment Group Parameter Description Setting range value Position needle lowered 0 - 127 Position cutting solenoid "on" 0 - 127 Position cutting solenoid "tacting" 0 - 127 Position cutting solenoid "off" 0 - 127 Reverse position 0 - 127 Placement stitch position 0 - 127 Position thread tension release 0 - 127...
  • Page 99 Adjustment Group Parameter Description Setting range value Maximum motor speed 1 - 35 Positioning speed 3 - 25 Acceleration ramp 1 - 50 Brake ramp 1 - 50 Reference position 0 - 127 Time-out 0 - 255 Starting current motor 3 - 10 Anti-vibration filter 1 - 10...

  • Page 100: Explanation Of The Error Messages

    Adjustment Explanation of the error messages Message Description E001 System error E002: Sewing motor E003: Section E004: End of section E005: Pedal activated when machine switched on E006: Communication error with stepping motor processor E007: End of ramp E008: End position of needle drive not found E009: Centre position of needle drive not found E010:...

  • Page 101: Carry Out A Cold Start

    Adjustment Carry out a cold start ● Switch on the machine. ● Call up the input mode. ● Call up the service menu. ● Carry out a cold start. After a cold start all programmed values are set back to their status at the time of delivery.

  • Page 102: 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 103: Service Menu

    Adjustment Service menu In the service menu information is displayed about the machine’s inputs and outputs, as well as the values for both pedals and the balance wheel position. In addition the following functions can also be carried out. ● Switch on the machine. ●...

  • Page 104: Wearing Parts

    A detailed parts list for the complete machine is included with the accessories. In case of loss, the parts list can be downloaded from the internet address www.pfaff-industrial.com/pfaff/en/service/downloads As an alternative to the internet download the parts lists can also be ordered in book form under part no.
  • Page 105 Wearing parts for subclass -900/81 11-130 092-15 (2x) 91-263 139-05 12-315 080-15 (2x) 11-108 846-15 (2x) 91-263 348-05 11-108 093-15 (2x) 91-263 294-05 99-137 151-45 91-171 049-05 91-171 042-05 95-774 464-25 91-700 996-15 14 - 2...

  • Page 106: Circuit Diagrams

    Circuit diagrams Circuit diagrams Reference list for circuit diagrams Controller Quick P 320MS X11B Pedal set value transmitter and Control panel T1 fullness Sewing head identification Outputs A100 Thread strength module Thread monitor A101 Thread strength solenoid and key Stepping motor feed wheel (release thread strength solenoid) Stepping motor roller presser Initiator material height...
  • Page 107 91-191 467-95 Circuit diagrams Page 1 Version 25.08.05 15 - 2...
  • Page 108 Circuit diagrams 91-191 467-95 Version 25.08.05 Page 2 15 - 3...
  • Page 109 91-191 467-95 Circuit diagrams Page 3 Version 25.08.05 15 - 4...
  • Page 110 Circuit diagrams 91-191 467-95 Version 25.08.05 Page 4 15 - 5...
  • Page 111 91-191 467-95 Circuit diagrams Page 5 Version 25.08.05 15 - 6...
  • Page 112 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...

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3834-14/31

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