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3734
-12/31

Instruction Manual

This instruction manual applies to machines from the
following serial numbers onwards:
# 2721275
296-12-18 935/002
Betriebsanleitung engl. 02.06

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Table of Contents
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Summary of Contents for Pfaff 3734-12

  • Page 1: Instruction Manual

    3734 -12/31 Instruction Manual This instruction manual applies to machines from the following serial numbers onwards: # 2721275 296-12-18 935/002 Betriebsanleitung engl. 02.06...
  • Page 2 This instruction manual applies to all versions and subclasses listed under "Specifications". The reprinting, copying or translation of PFAFF Instruction Manuals, whether in whole or in part, is only permitted with our previous authorisation and with written reference to the source.
  • Page 3: Table Of Contents

    Danger .......................... 1 - 4 Proper use ........................2 - 1 Specifications ......................3 - 1 PFAFF 3734-12/31 ......................3 - 1 Model, needles and threads ..................3 - 2 Disposal of machines ....................4 - 1 Transport packaging and storage ................5 - 1 Transport to the customer’s premises ................
  • Page 4: Contents

    Contents Contents ................. Chapter - Page .02.05 Mounting the belt guard of the flange motor ..............8 - 6 .02.06 Connecting the safety switch ..................8 - 7 .02.07 Checking the function of the start inhibitor ..............8 - 7 Fitting the reel stand .....................
  • Page 5 Contents Contents ................. Chapter - Page 04.08 Roller presser ......................12 - 10 04.09 Puller ........................... 12 - 11 04.10 Tension release and tension control ................12 - 12 04.11 Höhenniveauschalter des Rollfußes ................12 - 13 04.12 Automatic presser foot lift ..................12 - 14 04.13 Retainer ........................
  • 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, observe also 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 organisations 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 at 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 taking care of faults arising in the sewing area. The operating personnel is obliged to observe the following points and must: always observe the Notes on Safety in the Instruction Manual! never use any working methods which could limit the level of safety in using the machine!
  • 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 or in the needle plate area while adjusting the machine settings! Objects can become trapped or be slung away! Danger of injury!
  • Page 10: Proper Use

    Proper use Proper use The PFAFF 3734-12/31 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. This machine is used for sewing lockstitch seams in the clothing industry.
  • Page 11: Specifications

    Specifications Specifications PFAFF 3734-12/31 Stitch type: ....................301 ( lockstitch ) Roller presser clearance: .................... 9 mm Clearance width: ....................245 mm Clearance height: ....................115 mm Post height: ......................180 mm Sewing head dimensions: Length: ...................... approx. 615 mm Width: .......................
  • Page 12: Disposal Of Machines

    Disposal of machines Disposal of machines The proper disposal of machines 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. The machine is to be disposed of in accordance with the locally valid environmental protection regulations.
  • Page 13: Transport Packaging And Storage

    Transport packaging and storage Transport packaging and storage Transport to the 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.
  • 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 = Trim thread and raise roller presser 1 + 4 = Variable application of fullness Fig.
  • Page 16: Knee Switch

    Controls Knee switch By operating knee switch 1 it is possible to select 2 pre-set values for fullness. Fig. 7 - 03 Lever for raising the roller presser Raise the roller presser by turning lever Fig. 7 - 04 7 - 2...
  • Page 17: Control Panel

    During the power-on phase the control panel automatically switches on all LCD segments and a beep tone for a short time. Afterwards the lettering PFAFF appears on the display, until the higher-ranking control unit sends commands to the control panel.
  • Page 18 Controls End backtacks By pressing this key, the backtacking function at the end of the seam (end backtacks) is switched on or off. The number of reverse stitches (C) or forward stitches (D) can be changed in each case by pressing the +/- key underneath. To convert from double backtacks to single backtacks the relevant number of stitches for the seam segment is set at zero.
  • Page 19 Controls TE/Speed By pressing this key once the speed limitation for sewing mode is activated. By pressing the key twice ( within 5 seconds ) the machine switches to parameter input mode. In the parameter input mode the lettering "TE" is displayed on the control panel. In the alpha-numerical section of the display the parameters are listed with their corresponding values, see Chapter 12.06 Parameter settings.
  • Page 20: 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, even while sewing.
  • Page 21: 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! Screw on the tilt lock parts 1 and 2, provided in the accessories, using screws 3 and 4.
  • Page 22: 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. Remove the wedge from motor shaft 4. Attach angle bracket 5 with screws 6.
  • Page 23: 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. Screw the earth cable 2 from the motor to earth point B.
  • Page 24: Mounting The Toothed Belt / Basic Position Of The Machine Drive Unit

    Mounting and commissioning the machine Mounting the toothed belt / Basic position of the machine drive unit .02.04 Switch on the machine. Press TE/Speed key twice to select the input mode. Select the parameter group "600" by pressing the corresponding +/- key. Confirm the selection by pressing the corresponding +/- key.
  • Page 25: Mounting The Belt Guard Of The Flange Motor

    Mounting and commissioning the machine Fig. 8 - 07 Swing the bearing plate 6 of the motor, so that the belt 5 is tightened. 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 26: 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 27: Fitting The Reel Stand

    Mounting and commissioning the machine Fitting the reel stand Fit the reel stand as shown in Fig. 8-10. Afterwards insert the stand in the hole in the table top and secure it with the nuts provided. Fig. 8 - 10 Commissioning Clean the machine thoroughly and then oil it, or fill in oil, see Chapter 11 Care and Maintenance.
  • Page 28: Setting Up

    Setting up Setting up All instructions and regulations in this instruction manual must be observed. Special attention must be paid to all safety regulations! All setting-up work must only be carried out by personnel with the appropriate training. For all setting-up work the machine must be disconnected from its po- wer supply by turning off the on/off switch, or removing the plug from the electric power socket.
  • Page 29: Winding The Bobbin Thread, Adjusting The Thread Tension

    Setting up 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 30: Removing / Inserting The Bobbin Case

    Setting up Removing / Inserting the bobbin case Maschine ausschalten! Switch 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: Insert bobbin case 2.
  • Page 31: Threading The Needle Thread / Adjusting The Needle Thread Tension

    Setting up Threading the needle thread / Adjusting the needle thread tension Fig. 9 - 05 Switch the machine off! Danger of injury if the machine is started accidentally! Thread needle thread as shown in Fig. 9-05. Adjust the needle thread tension by turning knurled screws 1 and 2. 9 - 4...
  • Page 32: Entering The Stitch Length

    Setting up Entering the stitch length The stitch length is determined by adjusting the feed strokes of the feed band and the feed wheel. When applying fullness, the feed stroke of the feed band must be larger or smaller that the feed stroke of the feed wheel. Entering the standard stitch length .06.01 Switch on the machine.
  • Page 33: Entering The Fullness Area For The Pedal Adjustment

    Setting up Entering the fullness area for the pedal adjustment .06.03 With parameter “107“ it is possible to stipulate the maximum stitch length, which can be called up in infinite variations with the fullness pedal (left pedal). Switch on the machine. Press the TE/Speed key twice to call up the parameter input function.
  • Page 34: Entering The Start And End Backtacks

    Setting up Entering the start and end backtacks Switch on the machine. Switch on the relevant function by pressing the Start backtack and/or End backtack keys. ( Arrow appears under the corresponding function key ) By pressing the Scroll key switch to the input menu for the start and end backtacks. By pressing the corresponding +/- key select the desired value for the number of forward stitches (A) of the start backtack.
  • Page 35: Entering/Changing The Code Number

    Setting up Entering/changing the code number Switch on the machine. Press the TE/Speed key twice to call up the parameter input function. By pressing the corresponding +/- key select the parameter group "800". Confirm the selection by pressing the corresponding +/- key. CODE: 1500 Enter the code number by pressing the corresponding keys ( factory code setting is...
  • Page 36 Setting up By pressing the corresponding +/- key select the parameter "810". 1500 Confirm the selection by pressing the corresponding +/- key. 1 2 3 4 5 6 7 8 CODE: 1500 Enter the desired code by pressing the corresponding keys, also see Chapter 7.05.02 Key functions.
  • Page 37: Switching On/Adjusting The Bobbin Thread Control With Reverse Stitch Count

    Setting up Switching on/adjusting the bobbin thread control with reverse stitch count Switch on the machine. Press the TE/Speed key twice to call up the parameter input function. Select parameter „105“ by pressing the corresponding +/- key. By pressing the corresponding +/- key set the number of stitches to be sewn with one bobbin.
  • Page 38: Sewing

    Sewing Sewing In the sewing mode all relevant settings for the sewing operation are displayed. Functions can be switched on or off by pressing a key. Values for start and end backtacks or stitch placement can be changed directly. In this mode a difference is made between manual sewing and programmed sewing. To change from manual to programmed sewing, press the PM key.
  • Page 39: Programmed Sewing

    Sewing Programmed sewing In programmed sewing seam programs (program numbers 1 and 2) can be called up and altered if necessary. These seam programs are used for the quick and easy production of seams with different stitch lengths or amounts of fullness. With the knee switch function it is possible to move to each of the 2 or 3 seams sections, also see Chapter 7.03 Knee switch.
  • Page 40: Altering Seam Programs

    Sewing Altering seam programs Switch on the machine. Select the programmed sewing mode with the PM key. With the corresponding +/- key select the seam program to be altered. With the corresponding +/- key select the seam section of the seam program which is to be altered.
  • Page 41: 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 sin- gle shift operation.
  • Page 42: Oiling The Hook

    Fig. 11 - 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. 11 - 2 11 - 2...
  • Page 43: 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. 11 - 3...
  • Page 44: Adjustment

    Adjustment Adjustment Unless stated otherwise, during all adjustment work the machine must be disconnected from the electric and pneumatic power supply! Danger of injury if the machine is started accidentally! Notes on adjustment All following adjustments are based on a fully assembled machine and may only be carried out by expert staff trained for this purpose.
  • Page 45: 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. 12 - 01 Move the needle bar frame 1 ( screws 2 and 3 ) in accordance with the requirement. Screws 3 are accessible through the holes on the back of the housing.
  • Page 46: 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. 12 - 02 Move the feed wheel post 1 ( screws 2, 3 and 4 ) in accordance with the requirement. Screws 4 remain loosened for the following adjustments.
  • Page 47: 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. 12 - 03 Move the needle bar 1 ( screw 2 ) in accordance with the requirement without turning it. 12 - 4...
  • Page 48: 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 –...
  • Page 49 Adjustment Adjust the hook post according to requirement 1 and tighten screws 4. Taking the play of the bevel gear into account, tighten screws 2. Remove the adjustment pin from hole 6. Install the retaining collar 8 on bevel gear 9 and tighten screws 1 and 3. Tighten screws 5 on both sides of the post.
  • Page 50: 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 –...
  • Page 51: 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. 12 - 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 52: 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. 12 - 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 53: 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 54: Puller

    Adjustment Puller .04.09 Requirement The puller 1 should be positioned horizontally to the needle plate and the toothed belt of the puller should move freely. Fig. 12 - 09 Adjust puller 1 (screws 2) in accordance with the requirement. 12 - 11...
  • Page 55: Tension Release And Tension Control

    Adjustment Tension release and tension control .04.10 Requirement 1. When lever 1 is raised, or when the automatic presser foot lift is activated and for materials less than 3 mm thick, the two tension disks 9 should be at least 0.5 mm apart.
  • Page 56 Adjustment Roller presser height level switch .04.11 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 57: Automatic Presser Foot Lift

    Adjustment Automatic presser foot lift .04.12 Requirement When solenoid 1 is activated, lever 3 should drop automatically to raise the roller presser. 87-034 Fig. 12 - 12 Adjust solenoid 1 ( screws 2 ) in accordance with the requirement. Switch on the machine and check the requirement. Switch off the machine.
  • Page 58: Retainer

    Adjustment Retainer .04.13 Requirement The retainer 3 should just rest on the material, so that the material does not start fluttering during sewing. Fig. 12 - 13 Adjust pin 1( screw 2 ) according to the requirement. 12 - 15...
  • Page 59: Thread Check Spring

    Adjustment Thread check spring .04.14 Requirements 1. The motion of the thread check spring 7 must be finished when needle point enters the material ( spring stroke approx. 7 mm ). 2. When the thread loop is at its largest when going around the hook, the thread check sp- ring must raise slightly from the workpiece rack 1.
  • Page 60: Bobbin Winder

    Adjustment Bobbin winder .04.15 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 61: Roller Presser Pressure

    Adjustment Roller presser pressure .04.16 Requirement The material should be fed without difficulty. No pressure marks should be visible on the material. Fig. 12 - 16 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 62: Locking The Set Value Transmitter

    Adjustment Locking the set value transmitter .04.17 Requirement The pedal for selecting the fullness ( left pedal ) should be held securely in every position without being too stiff. Fig. 12 - 17 Adjust screw 1 in accordance with the requirement. 12 - 19...
  • Page 63: Lubrication

    Adjustment Lubrication .04.18 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. 12 - 18 Check whether oil has been filled in and that there is no air in the oil lines. Let the machine run for 2-3 min..
  • Page 64: Re-Engage Safety Coupling

    Adjustment Re-engage safety coupling .04.19 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. 12 - 19 Remove jammed thread.
  • Page 65: 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 66: 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 67: 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. 12 - 22 Move thread catcher 1 ( screws 2, two screws ) parallel to the thread catcher holder in accordance with the requirement.
  • Page 68: 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 69: 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 70: 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 71: 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 72: Parameter Settings

    Adjustment Parameter settings Overview of the parameter functions .06.01 By pressing the TE/Speed key twice the input mode is called up. From the following parameter groups parameters can be called up and altered. With a code the parameter groups can be protected against unauthorised access. Select parameter group ( appropriate +/- key ) Operator level Mechanic level...
  • Page 73: Parameter Input Example

    Adjustment Parameter input example .06.02 Switch on the machine Select input mode by pressing TE/Speed key twice. Select parameter group "500" by pressing the corresponding +/- key..Confirm selection by pressing the corresponding +/- key. Enter the code number, see Chapter 9.08 Entering/changing the code number. 3500 Select the desired parameter, e.g.
  • Page 74: 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 (I = OFF, II = ON)
  • Page 75 Adjustment Group Parameter Description Setting range value Reverse position 0 – 127 Placement stitch position 0 – 127 Position thread tension release 0 – 127 Delay time lifting roller presser 0.01 – 1.50 0.02 Start delay after lowering roller presser 0.01 –...
  • Page 76 Adjustment Group Parameter Description Setting range value P-quota speed controller 1 – 50 I-quota speed controller 0 – 100 P-quota position controller 1 – 50 D-quota position controller 1 – 100 Time for position controller 0 – 100 P-quota position controller for rest brake 1 –...
  • Page 77: Explanation Of The Error Messages

    Adjustment Group Parameter Description Setting range value Right of access program creation 0 – 1 Enter access code 0 - 9999 1500 Explanation of the error messages Message Description Error 1: System error Error 2: Sewing motor Error 3: Section Error 4: End of section Error 5:...
  • Page 78: Carrying Out A Cold Start

    Adjustment Carrying out a cold start Switch on the machine. Press the TE/Speed key twice to select the input mode. Select parameter group "600" by pressing the corresponding +/- key. Confirm selection by pressing the corresponding +/- key. Enter the code number, see Chapter 9.08 Entering/changing the code number. RESET Select parameter "604"...
  • Page 79: 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 80: 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 81 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 13 - 2...
  • Page 82: Circuit Diagrams

    Circuit diagrams Circuit diagrams Reference list for circuit diagrams Controller Quick P 320MS Initiator material height Control panel S2 Key row Sewing head identification (OTE) Start inhibitor Knee switch (program) Initiator material height -910/..Automatic presser foot lift Sewing lamp -900/..Thread trimmer LED Stitch counter (option) Thread tension 2 Thread tension 1...
  • Page 83 91-191 492-95 General plan - circuit diagrams Part 1 Version 25.08.05 14 - 2...
  • Page 84 General plan - circuit diagrams 91-191 442-95 Version 25.08.05 Part 2 14 - 3...
  • Page 85 91-191 492-95 General plan - circuit diagrams Part 3 Version 25.08.05 14 - 4...
  • Page 86 General plan - circuit diagrams 91-191 442-95 Version 25.08.05 Part 4 14 - 5...
  • Page 87 Notice...
  • Page 88 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 Gedruckt in der BRD Printed in Germany Imprimé en R.F.A. Impreso en la R.F.A.

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3734-31

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