245 1246 INSTRUCTION MANUAL This instruction manual applies to machines from the following serial numbers onwards: # 6 500 124 296-12-19 199/002 Betriebsanleitung engl. 05.
This Instruction Manual is valid for all models and subclasses listed in the chapter "Specifications". The adjustment manual for the machines can be downloaded free of charge from the internet address www.pfaff-industrial.com/pfaff/de/service/downloads As an alternative to the internet download the adjustment manual can also be ordered in book form under part no. 296-12-19 200/002.
Index Contents ..................................................................................Page 1 1.01 1.02 1.03 1.04 1.05 1.05.01 1.05.02 1.06 Safety .................................................................................................................................... 5 Directives ............................................................................................................................... 5 General notes on safety ......................................................
Index Contents ..................................................................................Page 8.01.06 8.01.07 8.02 8.03 8.04 9 9.01 9.02 9.03 9.04 9.05 9.06 10 10.01 10.02 10.03 10.04 10.05 10.06 11 4 Fitting the tilt lock................................................................................................................. 22 Fitting the reel stand ............................................................................................................
Safety 1 Safety 1.01 Directives This machine is constructed in accordance with the European regulations contained in the conformity and manufacturer’s declarations.
Safety 1.03 Safety symbols Danger! Points to be observed.. Danger of injury for operating and specialist personnel! Caution Do not operate without finger guard and safety devices. Before threading, changing bobbin and needle, cleaning etc. switch off main switch. I 1.04 Important points for the user ● This Instruction Manual is an integral part of the machine and must be available to the operating personnel at all times.
Safety 1.05 Operating and specialist personnel 1.05.01 Operating personnel 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.
Safety 1.06 Danger warnings A working area of 1 m must be kept free both in front of and behind the machine, so that easy access is possible at all times. Never put your hands or fingers in the sewing area during sewing! Danger of injury by the needle! While setting or adjusting the machine do not leave any objects on the table nor in the needle plate area! Objects may be trapped or flung out of the machine! 4 5 3 7 Fig.
Proper use 2 Proper use PFAFF 1245 The PFAFF 1245 is a single needle, flatbed sewing machine with bottom, top and needle feeds as well as a large vertical hook for sewing lockstitch seams. The machine is designed for commercial use (industry). PFAFF 1246 The Pfaff 1246 is a two-needle, flat bed sewing machine with bottom, top and needle feed as well as vertical sewing hook for lockstitch seams. The machine is intended for commercial (industrial) use only.
Specifications 3 Specifications 3.01 PFAFF 1245, PFAFF 1246 ◆ Stitch type: .........................................................................................................301 (lockstitch)) Needle system: ............................................................................................................. 134 - 35 Needle sizes in 1/100 mm: Version CN: .................................................................................................................. 110 - 140 Version CN: ..
Specifications 3.03 3.04 Max. number of stitches/min-1 for the PFAFF 1245 Top feed lift Max. number of stitches/min-1 for stitch lengths up to 6 mm Max. number of stitches/min-1 for stitch lengths from 6 mm to 8 mm less than 3,5 mm 2800 2600 from 3,5 to 5,5 mm 2500 2500 from 5,5 to 7,0 mm 2000 2000 Max. number of stitches/min-1 for the PFAFF 1246 Top feed lift Max. number of stitches/min-1 for stitch lengths up to 6 mm and needle gauge of up to 10 mm Max.
Disposal of Machine 4 Disposal of Machine ● Proper disposal of the machine is the responsibility of the customer. ● The materials used for the machine are steel, aluminium, brass and various plastic materials. The electrical equipment comprises plastic materials and copper. ● The machine is to be disposed of according to the locally valid pollution control regula-tions; if necessary, a specialist ist to be commissioned.
Transportation, packing and storage 5 Transportation, packing and storage 5.01 Transportation to customer‘s premises The machines are delivered completely packed. 5.02 Transportation inside the customer‘s premises The manufacturer cannot be made liable for transportation inside the customer‘s premises nor to other operating locations. It must be ensured that the machines are only transported in an upright position. 5.
Explanation of symbols 6 Explanation of symbols In this instruction manual, work to be carried out or important information is accentuated by symbols.
Controls 7 Controls 7.01 On/off switch ● The power supply to the machine is switched on or off by turning switch 1. The illustrated on/off switch is fitted to machines with Quick motors. If other motors are used, a different switch may be fitted. 1 Fig. 7 - 01 7.02 Pedals ● With the on/off switch on 0 = Machine stop +1 = Sew +2 = Raise presserfoot +2 0 +1 Fig.
Controls 7.03 Lever for lifting the presser foot ● The sewing foot can be lifted by raising lever 1. 1 Fig. 7 - 03 7.04 Feed regulator / reverse sewing ● Adjust the stitch length by turning the knurled nut 1 accordingly. Reverse sewing ● Press knurled nut 1 upwards as far as possible (position "R" 1 Fig.
Controls 7.05 Adjustment nut for the top-feed stroke Switch the machine off! Danger due to unintentional starting of the machine! 1 ● Open cover 1 on the back of the machine, loosen screw 2 and move as required. 2 Fig.
Installation and commissioning 8 Installation and commissioning 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. It must be ensured that the supporting structure is sufficiently sturdy, including during all sewing operations. 8.
Installation and commissioning 8.01.
View: Underside table top 120 102,5 PFAFF 1246 PFAFF 1245 = Main switch = Drillhole for sewing head support = Drillhole for reel stand = Stand position 102,5 186 100 70 ± 0,5 65 14 = Drillholes for fastening the motor = Braeket for drawer = Drillhole for Synchronizer 9 120 100 20 50 35 70 150 73 17 22 170 28 35 75 8.01.
Installation and commissioning 8.01.04 Mounting the upper V-belt guard If a large balance wheel is used, the corner 1 of the belt guard 2 must be broken out. 1 ● Attach belt guard section 2. ● Attach belt guard section 3. 2 3 Fig. 8 - 04 8.01.05 Mounting the bottom V-belt guard ● Adjust bottom -V-belt guard 1 so that the motor pulley and V-belt run freely. Please note the instructions in the operating manual of the drive. 1 Fig.
Installation and commissioning 8.01.06 Fitting the tilt lock Switch off the machine! Danger of injury due to unintentional starting of the machine! ● Screw on tilt lock 1, provided in the accessories, using screw 2. Do not operate the machine without tilt lock 1! Danger of crushing between 2 sewing head and table top!. teil und Tischplatte! 1 Fig. 8 -06 8.01.07 Fitting the reel stand ● Fit the reel stand as shown in Fig. 8 - 07.
Installation and commissioning 8.02 Connecting the plug-in connections and earth cables 1 Fig. 8 - 08 ● Connect all plug connections as described in the operations manual of the drive ● The following ground cables must be attached in order to discharge static electricity. ● Attach ground cables for machine, main switch, control unit and motor to ground point 1.
Installation and commissioning 8.03 Commissioning 1 ● Check the machine, particularly its electrical wiring for any damage. ● Remove pin 1 of the oil reservoir 2 (Fig. 8 - 09). The pin serves only to protect the machine from damage during transport and must not be used when sewing. ● Clean the machine thoroughly and oil it (see chapter 10 Care and maintenance). ● Have skilled personnel check if the machine can be operated with the available mains voltage. 2 Fig. 8 - 09 8.
Setting up 9 Setting up All instructions and regulations in this instruction manual must be observed. Special attention must be given to all safety regulations! All setting-up work must only be done by personnel with the necessary training. For all setting-up work the machine must be isolated from its power supply by turning off the on/off switch or removing the machine plug from the electric power socket! 9.01 Inserting the needle 1 2 1 2 Fig. 9 - 01 Fig.
Setting up 9.02 Winding the bobbin thread, regulating the winder tension 4 6 1 3 2 5 Fig. 9 -02 ● Place an empty bobbin 1 on winder spindle 1. ● Thread up as shown in Fig. 9-02 and wind the thread a few ttimes clockwise around bobbin 1. Engage the bobbin winder by pressing spindle 2 and lever 3 simultaneously The bobbin is wound during sewing. ● The tension of the thread wound onto bobbin 1 is set on knurled screw 4. ● The bobbin winder will stop when sufficient thread is wound onto bobbin 1.
Setting up 9.03 Removing/Threading the bobbin case Switch the machine off! Danger due to unintentional starting of the machine! 1 Removing the bobbin case: ● Open the bed slide. ● Raise latch 1 and remove bobbin case 2. Inserting the bobbin case. ● Insert bobbin case 2 so that it clicks into place. ● Close latch 1 and close the bed slide. 2 Fig. 9 -03 Do not operate the machine when the hook compartment cover is open! Danger of injury from moving parts! 9.
Setting up 9.05 Threading needle thread/adjusting needle thread tension on the PFAFF 1245 1 Fig. 9 - 05 Switch the machine off! Danger due to unintentional starting of the machine! ● Thread the machine as shown in Fig. 9 - 05. Take note that the needle is threaded from the left (see arrow). ● Adjust the needle thread tension by turning knuled screw 1.
Setting up 9.06 Threading needle thread/adjusting needle thread tension on the PFAFF 1246 2 1 Fig. 9 - 06 Switch the machine off! Danger due to unintentional starting of the machine! ● Thread the machine as shown in Fig. 9 - 06. Care must be taken that the left-hand needle is threaded from the right and the right-hand needle is threaded from the left. ● Adjust the needle thread tension by turning knurled screws 1.
Care and maintenance 10 Care and maintenance 10.01 Servicing and maintenance intervals Clean the hook compartment ........................... daily, more often if in continuous operation Check the hook oil-container .............................................................................once a week Clean the hook ..................................................................................................once a week General lubrication ...........................................................
Care and maintenance 10.03 General lubrication 1 Fig. 10 - 03 Switch off the machine! Danger of injury due to unintentional starting of the machine! Only use oil with a medium viscosity of 22.0 mm²/s at 40° C and a density of 0.865 g/cm³ at 15°C! ● Lubricate all bearings marked in Fig. 10.03 twice a week (see arrows). Open the bed slide to gain access to oiling point 1. ● Tilt the machine backwards. ● Lubricate all bearings marked in Fig. 10.03 twice a week (see arrows).
Care and maintenance 10.04 Lubricating the hook 2 Switch off the machine! Danger of injury due to unintentional starting of the machine! ● Tilt the machine backwards. ● Fill oil reservoir 1 through hole 2 up till the topmost marking. Only use oil with a medium viscosity of 22.0 mm²/s at 40° C and a density of 0.865 g/cm³ at 15°C! 1 We recommend PFAFF sewing-machine oil, part No. 280-1-120 144. Fig.
Care and maintenance 10.06 Lubricating the top-feed drive excentric Switch off the machine! Danger of injury due to unintentional starting of the machine! 1 ● Open cover 1 on the back of the machine. ● Grease nipple 2 at least once a year (use grease gun). ● Screw cover 1 back on. 2 Only use lithium base grease with a dripping point of 185°C and a worked penetration of 22-25 mm at 25°C. We recommend Pfaff sewingmachine grease Part no. 280-1-120 247. Fig.
Wearing parts 11 Wearing parts This is a list of the most important 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/de/service/downloads As an alternative to the internet download the parts lists can also be ordered in book form under part no. 296-12-19 199.
Wearing parts 99-137 151-45 91-171 049-05 91-171 042-05 95-774 464-25 91-700 996-15 PFAFF 1245; 1246 91-010 937-05 (PFAFF 1245) C 91-015 519-05 (PFAFF 1246) C 35
Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Phone: Fax: E-mail: +49 - 6301 3205 - 0 +49 - 6301 3205 1386 info@pfaff-industrial.com Hotlines: Technical service: Application consultance: Spare-parts hotline: Printed in Germany +49 - 175/2243-101 +49 - 175/2243-102 +49 - 175/2243-103 © PFAFF Industriesysteme und Maschinen AG 2009, PFAFF is the exclusive trademark of VSM Group AB.PFAFF Industriesysteme und Maschinen AG is an authorized licensee of the PFAFF trademark.
