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INSTRUCTION MANUAL This instruction manual applies to machines from the following serial numbers onwards: 7 260 186 and software version 0435/002. 296-12-19 304/002 Instruction Manual engl. 08.15...
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Internet download, the settings manual can also be ordered as a hard copy under order no. 296-12-19 305/002. Reprinting, reproduction and/or translation of PFAFF instruction manuals (including parts thereof) is only permitted with our prior agreement and citation of the source.
Button for stitch length regulation ..................19 Knee lever ..........................19 Edge trimmer -725/04 for PFAFF 571 .................. 20 Edge trimmer -725/04 for PFAFF 574 and 591 ..............21 Control panel (only in machines with P40 CD) ..............22 Set-up and Initial Commissioning ..................23 Set-up ..........................
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Inserting the bobbin case / adjusting the bobbin thread tension ......... 34 Threading the needle thread / adjusting the needle thread tension ....................35 (with the PFAFF 571 and 591) Threading the needle thread / adjusting the needle thread tension (with the PFAFF 574) ......................36 Adjusting the stitch length ....................
Fitting or using these products may therefore have negative effects on features which de- pend 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 finger guard and safety covers! Turn off the main switch before threading, changing the bobbin or needle, cleaning, etc.!
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 en- sure 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 flying around!
Proper Use Proper Use The PFAFF 571 is a single needle post-bed sewing machine (post is positioned to the left of the needle) with powered feed wheel and roller presser plus feed-synchronised needle. The PFAFF 574 is a two-needle post-bed sewing machine with powered feed wheel and roller presser.
Technical Data Technical Data ▲ PFAFF 571 Stitch type: ......................301 (lock stitch) Needle system : ........................134 Design BN5: ............. for the machining of medium-weight materials Design CN5: ............for the machining of medium-heavy materials Needle size in 1/100 mm: Model BN5: ........................90 -110 Model CN5: .........................
Technical Data PFAFF 574 Stitch type: ......................301 (lock stitch) Needle system : ......................134-35 Design BN3.6: ..........for the machining of medium-weight materials Design CN:3.6 ............for the machining of medium-heavy materials Needle size in 1/100 mm: Model BN3.6: ......................... 90 -110 Model CN3.6: ......................
Technical Data PFAFF 591 Stitch type: ......................301 (lock stitch) Needle system : ........................134 Design BN5: ............. for the machining of medium-weight materials Design CN7: ............for the machining of medium-heavy materials Needle size in 1/100 mm: Model BN5: ........................90 - 110 Model CN7: .........................
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 transports 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. Fig. 7 - 01 a Fig. 7 - 01 Machines without -725/04 Machines with -725/04 ● Operating the master switch 1 switches ●...
Operating Controls Bobbin thread monitoring using stitch counting ● The diode 1 flashes on reaching the predefined stitch count. ● The stitch counting re-starts after cut- ting the thread and changing the bob- bin. For presetting the stitch count please refer to the separate in- struction manual for the drive (see Chapter 5.3.1 Setting the bobbin-stitch counter).
Operating Controls Hand lever to raise the roller presser ● Turning the hand lever 1 raises the roll- er presser. Fig. 7 - 05 Swivelling out the roller presser ● The roller presser can be swivelled out by gently pulling downwards when the roller presser is in the raised position.
Operating Controls Button for stitch length regulation ● Pressing the reverse-feed lever 1 and turning the hand wheel adjusts the stitch length, see Chapter 9.07 Adjusting stitch lengths. Fig. 7 - 07 Knee lever ● Pressing the knee lever 1 in the direction shown by the arrow raises the roller presser.
Operating Controls Edge trimmer -725/04 for PFAFF 571 Do not reach into the blade dur- ing 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 574 and 591 Fig. 7 - 10 Do not reach into the blade during operation! Risk of injury! Switching on the knife drive: ● Swivel the lever 1 backwards; the knife moves to the operating position.
Set-up and Initial Commissioning Set-up and Initial Commissioning The machine may only be set up and started up by qualified 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 ABAB CDCD Fig. 8 - 02 ● The hinge 1 is 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 Risk of injury by crushing be- tween the sewing head and the...
Set-up and Initial Commissioning Mounting the flange motor on the machine .02.02 ● Use the screw 3 and 4 to fix the bear- ing plate 1 of the motor 2 to the ma- chine housing (tighten the screws 3 and 4 slightly).
Set-up and Initial Commissioning Mounting the flange motor belt guard .02.04 ● Attach the belt guard 1 with the screws 2 and 3. Fig. 8 - 07 Mounting the machine cover .02.05 ● Use the screws 2 (2x) and the screws 4 (3x) to fasten the cover 1 to the housing.
Set-up and Initial Commissioning Connecting the safety switch .02.06 ● Connect the plug 1 of the safety switch 2 as shown in Fig. 8 - 09. If the sewing head is tilted back, the safety switch activates the start inhibitor, preventing the machine starting up if the main switch is turned Fig.
Set-up and Initial Commissioning Connecting the plug-in connections and ground cable ABAB CDCD Fig. 8 - 10 ● Insert all plugs on the control box 2 in accordance with their designation. ● Insert the "motor" to the bushing E and the bushing M. Caution Inserting the plug incorrectly can damage the control unit! ●...
Set-up and Initial Commissioning Assembling the reel stand ● Assemble the reel stand as shown in the adjacent illustration. ● Then insert the stand into the hole in the table top and secure it with the enclosed nuts. Fig. 8 - 11...
Set-up and Initial Commissioning Initial start-up ● Inspect the machine, particularly the electric cables, for any damage. ● Clean the machine thoroughly and then oil it, see also Chapter 10 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 571 nee- dle is threaded from right to left and that of the PFAFF 591 is threaded from left to right.
Set-up Threading the needle thread / adjusting the needle thread tension (with the PFAFF 574) 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 Fig. 9 - 08 ● Press the button 1 and turn the hand wheel simultaneously until the reverse-feed lever engages. ● Press and hold the button 1 and turn the hand wheel forwards or backwards until the de- sired stitch is indicated on the scale 2 opposite the lower edge 3 of the belt guard re- cess.
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) ..........
Only use oil with a centre vis- cosity of 22.0 mm at 40 °C and a density of 0.865 g/cm at 15 °C! We recommend PFAFF sewing Fig. 10 - 02 machine oil, order no. 280-1-120 144. Oil reservoir for hook lubrication Check the oil level before eve- ry 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.
Check the oil level before every start-up. The oil reservoir 1 must always have oil in it. ● Add oil through hole as needed We recommend PFAFF thread lubricating oil, order no. 280-1-120 217. Fig. 10 - 05 Parameter settings Parameter settings are described in the separate parameter list for the drive and may only be changed by qualified technicians.
Internet download, the parts list can also be requested as a hard copy under order no. 296-12-19 304. 91-263 433-91 Roller presser, with 30 mm dia., 4.0 mm wide, toothed. PFAFF 574 PFAFF 571; 591 91-500 460-05 11-108 093-15 91-173 664-15 91-165 344-15 (2x)