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1571 1574 INSTRUCTION MANUAL 1591 1593 This instruction manual applies to machines from the serial number # 7 265 636 onwards. 296-12-19 225/002 Instruction Manual engl. 03.17...
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As an alternative to the Internet download, the adjustment manual can also be ordered as a hard copy under order no. 296-12-19 226/002. Reprinting, reproduction and/or translation of PFAFF instruction manuals (including parts thereof) is only permitted with our prior agreement and citation of the source.
Swivelling out the roller presser ..................20 Knee switch ......................... 21 Knee lever ..........................21 Edge trimmer -725/04 for PFAFF 1571 ................22 Edge trimmer -725/04 for PFAFF 1574 and 1591 ..............23 Control panel ........................24 .11.01 What appears on the display ....................24 .11.02...
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Threading the needle thread / adjusting the needle thread tension ..................42 (with the PFAFF 1571; 1591 and 1593) Threading the needle thread / adjusting the needle thread tension (with the PFAFF 1574) ...43 Adjusting the stitch length ....................44 .07.01 Entering the sealing speed ....................
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Table of Contents Contents ..................Page Examples for seam programming ..................61 .05.01 Example for seam program input ..................61 .05.02 Examples for seam program input via teach-in ..............67 Program management ......................71 .06.01 Calling up program management ..................71 .06.02 Displaying programs in the machine memory ..............
Fitting or using these products may therefore have negative effects on features which depend on the machine design. We are not liable for any damage caused by the use of non-Pfaff parts.
Safety Safety symbols Hazard point! Special points of attention. Risk of injury to operating personnel or technical staff! Electric voltage! Danger to operating personnel or technical staff Danger of hands being crushed! Danger to operating personnel or technical staff Caution! Do not operate without fi...
Safety Operating personnel and technical staff Operating personnel .05.01 Operating personnel are persons responsible for equipping, operating and cleaning the machine and for fault clearance in the sewing area. The operating personnel are obligated to comply with the following points: ...
Safety Danger warnings A work area of 1 m must be kept free in front of and behind the machine to ensure unobstructed access at all times. Do not reach into the needle range during the sewing operation! Risk of injury from the needle! Do not allow any objects to be placed on the table during the adjustment work! The objects could become jammed or be slung away! Risk of injury from parts fl...
Proper Use Proper Use The PFAFF 1571 is a single needle post-bed high-speed seamer (post is positioned to the left of the needle) with forwards- and backwards-moving feed wheel and roller presser plus feed-synchronised needle. The PFAFF 1574 is a two-needle post-bed high-speed seamer with forwards- and backwards-moving feed wheel and roller presser.
Technical Data Technical Data PFAFF 1571 Stitch type: ......................301 (lockstitch) Needle system: ........................134 Model BN7: ............for the machining of medium-weight materials Model CN7: ............for the machining of medium-heavy materials Needle size in 1/100 mm: Model BN7: ........................90 - 110 Model CN7: .........................
Technical Data PFAFF 1574 Stitch type: ......................301 (lockstitch) Needle system: ....................... 134-35 Model BN5: ............for the machining of medium-weight materials Model CN5: ............for the machining of medium-heavy materials Needle size in 1/100 mm: Model BN5: ........................90 - 110 Model CN5: .........................
Technical Data PFAFF 1591 Stitch type: ......................301 (lockstitch) Needle system: ........................134 Model BN7: ............for the machining of medium-weight materials Model CN7: ............for the machining of medium-heavy materials Needle size in 1/100 mm: Model BN7: ........................90 -110 Model CN7: ......................... 120 - 150 Stitch length max ......................7.0 mm...
Technical Data PFAFF 1593 Stitch type: ......................301 (lockstitch) Needle system: ........................134 Model BN5: ............for the machining of medium-weight materials Needle size in 1/100 mm: Model BN5: ........................90 -110 Stitch length max ......................5.0 mm Speed max.: Model BN5 ....................3500 stitches/min ...
Disposal of the Machine Disposal of the Machine It is up to the customer to dispose of the machine properly. The materials used for the machine include steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. ...
Transport, Packaging and Storage Transport, Packaging and Storage Transport to the customer's premises All machines are completely packed for delivery. Transport within the customer's premises The manufacturer assumes no liability for transport within the customer's premises or to the individual usage sites. Please ensure that the machines are only transported in a vertical position.
Work Symbols Work Symbols Activities to be performed or important information in this instruction manual are emphasised by symbols. The symbols used have the following meaning: Note, information Cleaning, care Lubrication Maintenance, repairs, adjustment, service work (only to be carried out by technical staff)
Operating Controls Operating Controls Main switch Before switching on the machine, raise the take-up lever as far as possible. Turning the main switch 1 switches the ma- chine on and off. Fig. 7 - 01 Keys on the machine head ...
Operating Controls Bobbin thread monitoring using the stitch count The diode 1 fl ashes on reaching the predefi ned stitch count. The stitch count re-starts after trimming the thread and changing the bobbin. For presetting the stitch count please refer to chapter 9.11 Set- ting the bobbin stitch counter.
Operating Controls Hand lever to raise the roller presser Turning the hand lever 1 raises the roller presser. Fig. 7 - 05 Swivelling out the roller presser The roller presser 1 can be swivelled out by gently pulling downwards when the roller presser is in the raised position.
Operating Controls Knee switch It is possible to choose between 2 predefi ned fullnesses or 2 stitch lengths in manual sewing by pressing the knee switch 1. It is possible to move to the next seam zones in programmed sewing by using the knee switch 1.
Operating Controls Edge trimmer -725/04 for PFAFF 1571 Do not reach into the knife during operation! Risk of injury! Switching on the knife drive: Swivel the lever 1 backwards; the knife moves to the operating position. Switching off the knife drive: ...
Operating Controls Edge trimmer -725/04 for PFAFF 1574 and 1591 Fig. 7 - 10 Do not reach into the knife during operation! Risk of injury! Switching on the knife drive: Swivel the lever 1 backwards; the knife moves to the operating position.
Operating Controls Control panel Machine functions for set-up and sewing, to enter parameters and service settings are displayed and called up via the control panel. Fig. 7 - 11 The control panel consists of the following operating and display controls: ...
Operating Controls +/- keys .11.02 Setting values (e.g. input of backtack stitches) are selected and changed using the respective +/- keys. Pressing and holding the corresponding +/- key will slowly change the number value shown above the key. The change to the number value will be made quicker if the +/- key is held for a longer period of time.
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Operating Controls Speed With this key, a maximum speed for each seam zone can be defi ned which is only activated in the corresponding seam zone. Reverse sewing (only for programmed sewing) If this key is pressed, the reverse sewing function is switched on or off. Program interrupt ...
Set-up and Initial Commissioning Set-up and Initial Commissioning The machine may only be set up and started up by qualifi ed personnel! All of the relevant safety regulations must always be complied with in this process! If the machine was delivered without a table, then the stand and the table top provided must safely support the weight of the machine and its motor.
Set-up and Initial Commissioning Inserting the sewing machine into the stand .01.02 Fig. 8 - 02 The hinges 1 are screwed to the sewing head base plate. Insert the sewing machine into the table top. Insert the sewing head support 2 into the table top hole. Do not operate the machine without the support 2! Risk of damage due to the top-heavy sewing head! Machine can tip over backwards when moving it!
Set-up and Initial Commissioning Assembling the anti-tipping device .01.03 Switch off the machine! Risk of injury due to accidental machine start-up! Screw on the anti-tipping device 1 includ- ed in the accessories with the screw 2. Do not operate the machine without the anti-tipping device 1! Risk of injury by crushing between the sewing head and...
Set-up and Initial Commissioning Mounting the fl ange motor on the machine .02.02 Use the screw 3 and 4 to fi x the bearing plate 1 of the motor 2 to the machine housing (tighten the screws 3 and 4 slightly).
Set-up and Initial Commissioning Connecting the plug-in connections and ground cable .02.04 Fig. 8 - 07 Insert all connectors on the control box 2 in accordance with their designation. Caution Inserting the connector incorrectly can damage the control unit! ...
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Set-up and Initial Commissioning Fitting the toothed belt / home position of the machine drive with the .02.05 PFAFF 1571; 1591 and 1593 Switch the machine on Press the TE/Speed key twice to call up the input mode.
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Set-up and Initial Commissioning Fig. 8 - 08 Fit the toothed belt 1 Pivot the motor bearing plate 2 so that the toothed belt 1 is taut. Tighten the screws 3 in this position. Turn the handwheel in the direction of rotation until the needle point (approaching from above) is on the upper edge of the needle plate.
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Fitting the toothed belt / home position of the machine drive with the .02.06 PFAFF 1574 Fit the toothed belt 1 (Fig. 8 - 08). Pivot the motor bearing plate 2 so that the toothed belt 1 is taut.
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Set-up and Initial Commissioning Switch the machine on Press the TE/Speed key twice to call up the input mode. Select the parameter group “600” by pressing the corresponding +/- key. Confi rm the selection by pressing the corresponding +/- key. ...
Set-up and Initial Commissioning Mounting the fl ange motor belt guard .02.07 Attach the belt guard 1 with the screws 2 and 3. Fig. 8 - 11 Connecting the safety switch .02.08 Plug in the connector 1 of the safety switch 2 as shown in Fig.
Set-up and Initial Commissioning Checking the start inhibitor function .02.09 STOP Switch on the machine at the main switch and move the sewing head. The error message “STOP” must appear on the control panel. If this message does not appear, check the switch 2 setting. ...
Set-up and Initial Commissioning Initial start-up Inspect the machine for any damage, particularly the electric cables. Clean the machine thoroughly and then oil it, see also chapter 12 Maintenance and Care. Arrange for technical staff to check whether the machine's motor may be operated at the existing mains voltage and whether it is connected properly.
Set-up Winding the bobbin thread, adjusting the thread tension Fig. 9 -03 Fit the empty bobbin 1 onto the bobbin winder spindle 2 with the rest thread chamber on the outside. Thread in the thread as shown in Fig. 9 - 03 and wind it round the bobbin 1 a few times in an anti-clockwise direction.
Set-up Removing / inserting the bobbin case Switch off the machine! Risk of injury due to accidental machine start-up! Removing the bobbin case: Bring the take-up lever to its top position Open the post cover, raise the lever 1 and remove the bobbin case 2.
Risk of injury due to accidental machine start-up! Thread the needle thread as shown in Fig. 9 - 06. Please ensure that the PFAFF 1571 needle is threaded from right to left and that of the PFAFF 1591;1593 is threaded from left to right.
Set-up Threading the needle thread / adjusting the needle thread tension (with the PFAFF 1574) Fig. 9 - 07 Switch off the machine! Risk of injury due to accidental machine start-up! Thread the needle thread as shown in Fig. 9 - 07. Please ensure that the right needle is threaded from the left and the left needle is threaded from the right.
Set-up Adjusting the stitch length The stitch length is defi ned by setting the feed motion of the roller presser and feed wheel. For the incorporation of fullness, the feed motion on the roller presser must be larger or smaller than the feed motion on the feed wheel. Entering the sealing speed .07.01 ...
Set-up Entering the start and end backtacks Switch machine on. Set the corresponding function by pressing the start backtack and/or the end backtack keys. (LED lamp lights up) Switch to the input menu for the start and end backtacks by pressing the scroll key. ...
Set-up Entering/changing the template code Switch machine on. Press the TE/Speed key twice to call up the input mode. Select the parameter group “800” by pressing the corresponding +/- key. Confi rm the selection by pressing the corresponding +/- key. CODE: 1500 ...
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Provided that the machine is not turned off, all parameters can be accessed without having to repeatedly enter the template code. Do not forget the code. Protected functions cannot be called up without the corresponding code! Please contact PFAFF customer service centre in this case.
Set-up Setting the bobbin stitch counter Switch machine on. Press the TE/Speed key twice to call up the input mode (LED lamp lights up). Select the parameter group “105” by pressing the corresponding +/- key. 1000 Set the number of stitches that can be sewn with a bobbin by pressing the correspond- ing +/- keys.
Set-up Inserting and removing the SD memory card Insert the SD card Open the cover 1. Insert the SD card 2 into the card slot with the label facing forwards. Close the cover 1 again. 2 GB Only use FAT 16 format max.
Sewing Sewing In sewing mode all settings relevant for the sewing operation are shown in the display. Functions can be switched on or off by pressing the key, values for start and end backtacks or placed stitch can be altered directly. A difference is made between manual sewing and programmed sewing in this mode.
Sewing Programmed sewing In programmed sewing a difference is made between fi xed programs (program numbers 1 and 2) and freely programmable sewing programs (program numbers 3-99). The fi xed programs are are used for the quick and easy production of seams with different number of stitches or fullness.
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Sewing For other functions in programmed sewing, see also chapter 7.11.03 Function keys: Place stitch position on/off Thread trimming on/off Knee switch function on/off Seam zone speed on/off Backtack suppression on/off Reverse sewing direction on/off Start backtack on/off Program interrupt End backtack on/off Programmed stop on/off Raise needle position on/off...
Sewing Program interrupt If the course of a seam program is interrupted (e.g. a broken thread), the program interrupt function must be called up. The seam program course is interrupted after pressing the program interrupt key. Sewing can continue manually and the values for the stitch length from the current seam program are taken over.
Input Input This chapter describes the input mode functions and how to enter seam programs. Input mode When the machine is in its initial state, it is possible to enter the parameters and the corresponding values directly in the control unit. The functions information, photo cell and service can be called up.
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Input Scroll Seam zone Insert seam zone Delete seam zone Last seam zone selection Input variant Seam input via teach-in Confi rm selection (Enter) Seam zone Stitch length (feed motion) roller presser Stitch length (feed motion) feed wheel Scroll (only when the following functions are turned on) Seam zone Max.
Input Seam program input variants There are three basic input variants available to enter and/or change or delete seam program inputs. Seam program input/ alteration (entering the values). Seam program input via teach-in. Delete seam programs. The desired input variants can be selected as follows: ...
Input Changing available seam programs The following description implies that a seam program has already been set with all the required parameters. Switch the machine on. Call up the "seam program input/ alteration” input variant, see chapter 11.02 Seam program input variants.
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Input F1 (Placed stitch) - and/or Speed (Speed limit) - and/or Stitch count Select the desired value for the speed of the current seam zone by pressing the corresponding +/- key. Select the desired value for the number of stitches in the current seam zone by pressing the corresponding +/- key.
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Input INS DEL NO A new seam zone is inserted by pressing the corresponding +/- key. The current seam zone is deleted by pressing the corresponding +/- key. Pressing the corresponding +/- key determines whether the selected seam zone of the last program is (“YES”) or whether a further seam zone (“NO”) should be added.
Input Deleting seam programs Switch the machine on. Press the TE/Speed key twice to call up the input mode (LED lamp lights up). Press the PM key to call up the seam program input (LED lamp lights up). ...
Input Examples for seam programming In the following, examples are shown of the procedure for creating seam programs via the seam program input, as well as the teach-in function. The programming examples shown in the display are only as follows, when no seam program has been entered under the selected program number.
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Input Seam zone one should contain - a double start backtack (2 stitches forwards and backwards) - backtack speed of 700 min - stitch count (5 stitches) - and a stitch length (for roller presser and feed wheel) of 3,5 mm. ...
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Input 1 INS DEL NO Select “NO” by pressing the corresponding +/- key to add further seam zones. Switch to seam zone two by pressing “+” on the corresponding +/- key. In seam zone two - the stitch length (for roller presser and feed wheel) should be 2.5 mm - and one stitch count should be carried out (1 stitch).
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Input In seam zone three - the stitch length (for roller presser and feed wheel) should be 3 mm, - one stitch count should be carried out (2 stitches), - and the seam should be sewn in reverse. Set the value for the roller presser stitch count to “3.0” by pressing the corresponding +/- key.
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Input Set the value for the feed wheel stitch length to “5.0” by pressing the corresponding +/- key. Switch on the corresponding function by pressing the stitch count key. The display switches to enter the number of stitches. ...
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Input Set the value for the number of reverse stitches to “1” by pressing the corresponding +/- keys. Set the value for the number of forward stitches to “1” by pressing the corresponding +/- key. Set the backtack speed to “700” by pressing the corresponding +/- key. ...
Input Examples for seam program input via teach-in .05.02 The seam program should - contain 3 seam zones - and be saved under program number 8. Switch the machine on Press the TE/Speed key twice to call up the input mode (LED lamp lights up). ...
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Input Seam zone one should contain - the knee switch at seam zone end function and - a stitch length (roller presser and feed wheel) of 2.8 mm. Set the value for the roller presser stitch length to “2.8” by pressing the corresponding +/- key.
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Input Sew seam zone two manually. The input of the seam zone end must be carried out after the machine stop. Switch on the "end of section by knee switch function” by pressing the knee switch or the F3 key. ...
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Input The teach-in seam programming with three seam zone is completed as follows. The thread is trimmed and the selected values are taken over by pressing the TE/Speed key. The machine then switches to sewing mode. If no seam zone end function is switched on, the seam zone end is moved by the pedal function, see chapter 7.04 Pedal.
Input Program management The program numbers that are saved in the machine memory or on the SD memory card are displayed in program management. The programs can be deleted or copied. Conventional SD memory cards up to a maximum of 2GB can be inserted into the control panel. The machine data is saved in the fi...
Input Displaying programs in the machine memory .06.02 To call up program management, see chapter 11.06.01 Calling up program management. Press the left +/- keys until the corresponding menu item is displayed. Confi rm selection of the menu item by pressing the right plus key. ...
Input Displaying programs and the machine data on the SD memory card .06.03 To call up program management, see chapter 11.05.01 Calling up program management. Press the left +/- keys until the corresponding menu item is displayed. Confi rm selection of the menu item by pressing the right plus key. ...
Input Copying programs and machine data onto the SD memory card .06.04 To call up program management, see chapter 11.06.01 Calling up program management. » COPY Press the left +/- keys until the corresponding menu item is displayed. ...
Input Copying programs and machine data in the machine memory .06.05 To call up program management, see chapter 11.06.01 Calling up program management. « COPY Press the left +/- keys until the corresponding menu item is displayed. Confi rm selection of the menu item by pressing the right plus key. «...
Input Deleting programs in the machine memory .06.06 To call up program management, see chapter 11.06.01 Calling up program management. Press the left +/- keys until the corresponding menu item is displayed. Confi rm selection of the menu item by pressing the right plus key. ...
Input Deleting programs and machine data on the SD memory card .06.07 To call up program management, see chapter 11.06.01 Calling up program management. Press the left +/- keys until the corresponding menu item is displayed. Confi rm selection of the menu item by pressing the right plus key. ...
Input Formatting the SD memory card .06.08 To call up program management, see chapter 11.06.01 Calling up program management. FORMAT Press the left +/- keys until the corresponding menu item is displayed. Confi rm selection of the menu item by pressing the right plus key. Before the start of formatting, a prompt for confi...
Input Parameter settings Overview of parameter functions .07.01 After switching on the machine, the input mode in which the individual parameters can be called up directly is called up by pressing the corresponding function. All parameter groups or also individual ones can be protected by a code against unauthorised access. Select parameter group User level Mechanic level...
Input Example of a parameter entry .07.02 Switch the machine on. Press the TE/Speed key twice to access the parameter entry function. The status text "TE" appears on the display and the pedal functions are locked to prevent an accidental start-up of the machine.
(I = OFF, II = ON) I II Open thread tension after cutting and roller presser lift (I = OFF, II = ON) I II Cover-thread carrier position t.d.c. 1571; 1591 0 - 127 1574 0 - 191 1593 0 - 127...
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Input Needle position under t.d.c. 1571, 1591 0 - 127 1574 0 - 191 1593 0 - 127 Thread trimmer magnet position on 1571, 1591 0 - 127 1574 0 - 191 1593 0 - 127 Thread trimmer magnet position timing...
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(E3) E= half stitch key on the machine head (E2) E= reversing key on the machine head (E1) Machine drive home position 1571, 1591 8 ± 2 1593 11 ± 2 Run cold start Stitch process with stepping motors by...
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1 - 50 remainder brake Maximum torque for remainder brake 0 - 100 Minimum machine speed 3 - 64 Maximum machine speed 1571, 1591, 1593 1 - 35 1574 1 - 26 Maximum motor speed 1571, 1591, 1593 1 - 35...
Input Error messages and description Error Description ERROR: 1 System error ERROR: 2 Sewing motor ERROR: 3 Seam zone data ERROR: 4 Seam zone end ERROR: 5 Pedal or half stitch key or single stitch key (on the machine head) activated when machine turned on ERROR: 6 Communication error with the stepping motor processor...
Maintenance and Care Maintenance and Care Maintenance intervals Cleaning ............daily, several times if in continuous operation Clean the hook area ........daily, several times if in continuous operation General oiling ..................daily, before start-up Oil the hook ..................daily, before start-up Oil level (thread lubrication / hook lubrication) ..........
22.0 mm /s at 40 °C and a density of 0.865 g/cm at 15 °C! We recommend PFAFF sewing machine oil, order no. 280-1-120 144. Fig. 12 - 02 Oil reservoir for hook lubrication Check the oil level before every start-up.
Return the machine sewing head to its upright position using both hands! Risk of injury by crushing between the machine sewing head and the table top! We recommend PFAFF sodium soap grease with a dripping point of approx. 150 °C. Order no.: 280-1-120 243.
The oil reservoir 1 must always have oil in it. Add oil through the hole as needed. We recommend PFAFF thread lubricating oil, order no. 280-1-120 217. Fig. 12 - 05 Lubricating the roller presser drive gear mechanism (only at dia.
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Table top cutout Table top cutout Anchor nut DIN 7965 (2x) Einschraubmutter DIN 7965 (2x) Order no. 12-177 106-05 Best.--Nr. 12-177 106-05 Stand position Ständerposition Part no. 906-3750-000 Teile-Nr. 906-3750-000...
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