Pfaff 1245 Instruction Manual
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Summary of Contents for Pfaff 1245
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Page 1: Instruction Manual
® Industrial 1245 1246 INSTRUCTION MANUAL This instruction manual applies to machines from the following serial numbers onwards: # 2 726 559 296-12-18 598/002 Keystone Sewing Machine Company, Inc. Betriebsanleitung engl. 06.09... - Page 2 As an alternative to the internet download the adjustment manual can also be ordered in book form under part no. 296-12-18 599/002. 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.
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Page 3: Table Of Contents
Specifi cations........................10 PFAFF 1245, PFAFF 1246 ..................... 10 Possible models and subclasses ..................11 Max. number of stitches/min-1 for the PFAFF 1245 ............11 Max. number of stitches/min-1 for the PFAFF 1246 ............11 Disposal of Machine ......................12 Transportation, packing and storage ................ - Page 4 Removing/Threading the bobbin case.................. 29 Threading the bobbin thread and regulating the bobbin thread tension ......29 Threading needle thread/adjusting needle thread tension on the PFAFF 1245 ......30 Threading needle thread/adjusting needle thread tension on the PFAFF 1246 ......31 Adjusting the stitch counter for the bobbin thread control ............31 Care and maintenance .......................
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Page 5: 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 6: 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. Keystone Sewing Machine Company, Inc. -
Page 7: 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 8: Danger Warnings
Safety Danger warnings A working area of 1 m must be kept free both in front of and behind the machi- ne, so that easy access is possible at all times. Never put your hands or fi ngers 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 fl... -
Page 9: Proper Use
Proper use PFAFF 1245 The PFAFF 1245 is a single needle, fl atbed 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). -
Page 10: Specifi Cations
Emission sound level at the workplace at appropriate speed (Noise measurement in accordance with DIN 45 635-48-A-1, ISO 11204, ISO 3744, ISO 4871) PFAFF 1245 at a speed of 2300 spm.: .............LpA = 82 dB(A) PFAFF 1246 at a speed of 2200 spm.: .............LpA = 82 dB(A) ◆... -
Page 11: Possible Models And Subclasses
CN; CN 8 :..............For processing medium-heavy materials Additional equipment: Subclass -900/56....................Thread trimmer Subclass -911/97 ..........Automatic presser-foot lifter with bartacker Max. number of stitches/min-1 for the PFAFF 1245 Top feed lift Max. number of Max. number of stitches/min-... -
Page 12: Disposal Of Machine
Disposal of Machine 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. ●... -
Page 13: Transportation, Packing And Storage
Transportation, packing and storage Transportation, packing and storage Transportation to customer‘s premises The machines are delivered completely packed. 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. -
Page 14: Explanation Of Symbols
Explanation of symbols Explanation of symbols In this instruction manual, work to be carried out or important information is accentuated by symbols. These symbols have the following meanings: Note, information Cleaning, care Lubrication Maintenance, repairs, adjustment, service work (only to be carried out by technical staff) Keystone Sewing Machine Company, Inc. -
Page 15: Controls
Controls Controls On/off switch ● The power supply to the machine is swit- ched on or off by turning switch 1. The illustrated on/off switch is fi tted to machines with Quick motors. If other motors are used, a different switch may be fi... -
Page 16: Pedal (On Machines With Automatic Presser-Foot Lifter )
Controls Pedal (on machines with automatic presser-foot lifter ) ● With the on/off switch on = Machine stop +1 = Sew - 1 = Raise presserfoot - 2 = Trim thread (on machines with thread trimmer) Fig. 7 - 03 Key on the machine head (for machines with backtacking mechanism -911/97) ●... -
Page 17: Lever For Lifting The Presser Foot
Controls Lever for lifting the presser foot ● The sewing foot can be lifted by raising lever 1. Fig. 7 - 05 Feed regulator / reverse sewing ● Adjust the stitch length by turning the knurled nut 1 accordingly. Reverse sewing ●... -
Page 18: Feed Regulator (On Machines With Backtacking Mechanism -911/97)
Controls Feed regulator (on machines with backtacking mechanism -911/97) You can set the length of the reverse stitch as large as is required, independent of the forward stitch. ● The forward stitch is set with knurled screw 1 and the reverse stitch with knurled screw 2. -
Page 19: Installation And Commissioning
Installation and commissioning Installation and commissioning The machine must only be mounted and commissioned by qualifi ed 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: Assembling The Motor (Only On Machines With Quick-Motor)
Installation and commissioning Assembling the motor .01.02 (only on machines with Quick-motor) 109-001 Fig. 8 - 02 ● Assemble motor mounting 1, motor 2, belt guard support 3 and belt pulley 4 as shown in Fig. 8-02. Tightening the V-belt .01.03 ●... -
Page 21: Mounting The Bottom V-Belt Guard
Installation and commissioning Mounting the bottom V-belt guard .01.04 109-07 Fig. 8 - 04 ● Loosen screws 2 and adjust belt guard support 1 so that the motor pulley and V-belt run freely. ● Tighten screws 2. ● Fasten belt guard 3 with screw 4. Fig. -
Page 22: Mounting The Upper V-Belt Guard
Installation and commissioning Mounting the upper V-belt guard .01.05 If a large balance wheel is used, the corner 1 of the belt guard 3 must be broken out. ● Screw position stop 2 to the belt guard section 3. ● Attach belt guard section 3. -
Page 23: Fitting The Tilt Lock
Installation and commissioning Fitting the tilt lock .01.07 Switch off the machine! Danger of injury due to uninten- tional starting of the machine! ● Screw on tilt lock 1, provided in the ac- cessories, using screw 2. Do not operate the machine without tilt lock 1! Danger of crushing between sewing head and table top!. -
Page 24: Connecting The Plug-In Connections And Earth Cables
Installation and commissioning Connecting the plug-in connections and earth cables Fig. 8 - 09 ● Plug adapter cable 1 into control box 2. ● Plug the cable coming from the machine to adapter cable 1 as marked. ● Plug the cable A14 coming from adapter 1 to the sewing head recognition unit 4. ●... -
Page 25: Commissioning
Installation and commissioning Commissioning ● Check the machine, particularly its electrical wiring and pneumatic tube connections, for any damage. ● Remove pin 1 of the oil reservoir 2 (Fig. 8 - 10). The pin serves only to protect the machine from damage during transport and must not be used when sewing. -
Page 26: Basic Position Of The Machine Drive Unit
Installation and commissioning Basic position of the machine drive unit (only on machines with Quick-EcoDrive and control unit P40ED) ● Switch on the machine. ● Press the TE/speed key twice to select the input mode. ● Select parameter "798" by pressing the corresponding +/- key, and select service level C, see Chapter Selecting the user level in the instruction manual for the control panel. -
Page 27: Setting Up
Switch the machine off! Danger due to unintentional starting of the machine! Only use needles from the system intended for the machine, see Chapter 3 Specifi cations. PFAFF 1245 PFAFF 1246 ● ● Set needle bar at top position and Set needle bar at top position and loosen loosen screw 1. -
Page 28: Winding The Bobbin Thread, Regulating The Winder Tension
Setting up Winding the bobbin thread, regulating the winder tension Fig. 9 -03 ● Place an empty bobbin 1 on winder spindle 1. ● Thread up as shown in Fig. 9-03 and wind the thread a few ttimes clockwise around bobbin 1. -
Page 29: Removing/Threading The Bobbin Case
Setting up Removing/Threading the bobbin case Switch the machine off! Danger due to unintentional starting of the machine! Removing the bobbin case: ● Open the bed slide. ● Raise latch 1 and remove bobbin case 2. Inserting the bobbin case. ●... -
Page 30: Threading Needle Thread/Adjusting Needle Thread Tension On The Pfaff 1245
Setting up Threading needle thread/adjusting needle thread tension on the PFAFF 1245 Fig. 9 - 06 Switch the machine off! Danger due to unintentional starting of the machine! ● Thread the machine as shown in Fig. 9 - 06. Take note that the needle is threaded from the left (see arrow). -
Page 31: Threading Needle Thread/Adjusting Needle Thread Tension On The Pfaff 1246
Setting up Threading needle thread/adjusting needle thread tension on the PFAFF 1246 Fig. 9 - 07 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. -
Page 32: Care And Maintenance
Care and maintenance Care and maintenance Servicing and maintenance intervals Clean the hook compartment ......daily, more often if in continuous operation Check the air pressure ................daily before use Check the water container of the air fi lter........... daily before use Check the hook oil-container................ -
Page 33: General Lubrication
Lubricate all bearings marked in Fig. 10.03 twice a week (see arrows). Set the machine upright with both hands! Danger of crushing between sewing head and table! We recommend PFAFF sewing-machine oil, part No. 280-1-120 144. Keystone Sewing Machine Company, Inc. -
Page 34: Lubricating The Hook
Only use oil with a medium vis- cosity of 22.0 mm²/s at 40° C and a density of 0.865 g/cm³ at 15°C! We recommend PFAFF sewing-machine oil, part No. 280-1-120 144. Fig. 10 - 03 Use both hands to set the sewing head upright! Danger of crushing between the sewing head and the table top! Keystone Sewing Machine Company, Inc. -
Page 35: Lubricating The Head
Only use oil with a medium vis- cosity of 22.0 mm²/s at 40° C and a density of 0.865 g/cm³ at 15°C! We recommend PFAFF sewing-machine oil, part No. 280-1-120 144. Fig. 10 - 04 Lubricating the top-feed drive excentric... -
Page 36: Checking/Regulating The Air Pressure
Care and maintenance Checking/regulating the air pressure ● Check the air pressure on gauge 1 every time before operation. ● Gauge 1 must show a pressure of 6 bar. ● Regulate this pressure if required. ● To do so, pull knob 2 up and turn it accor- dingly. -
Page 37: Parameter Settings
Care and maintenance Parameter settings (only on machines with Quick-EcoDrive and control unit P40ED) ● The selection of the user level and the alteration of parameters is described in the sepa- rate instruction manual for the drive unit. Parameter list .09.01 Speed for start backtack B, C... -
Page 38: Mounting The Table Top And Circut Diagrams
Mounting the table top Table top cutout PFAFF 1245 PFAFF 1246 Keystone Sewing Machine Company, Inc. -
Page 39: Mounting The Table Top
Mounting the table top Mounting the table top 91-141 939-95 91 141 939 95 Vers. 30.03.06 Keystone Sewing Machine Company, Inc. -
Page 40: Circuit Diagrams
Circ c uit diagrams Circuit diagrams Reference list for the Circuit diagrams Control unit Quick P40 ED Control panel BDF S2 Sewing head recognition system (OTE) Sewing lamp (optional) LED stitch counter Sewing motor Main switch Manual backtacking key S1.1 Pedal speed control unit Needle position change key Single stitch key... - Page 41 91-191 502-95 Circuit diagram Part 1 Version 07 .07 .06 Keystone Sewing Machine Company, Inc.
- Page 42 Circuit diagram 91-191 502-92 Version 07 .07 .06 Part 2 Keystone Sewing Machine Company, Inc.
- Page 43 91-191 502-95 Circuit diagram Part 3 Version 07 .07 .06 Keystone Sewing Machine Company, Inc.
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Page 44: 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. - Page 45 91-018 147-05 11-108 006-15 (2x) 11-341 169-15 (2x) 91-113 480-91 PFAFF 1245; 1246 PFAFF 1245; 1246 91-010 937-05 (PFAFF 1245) C 91-010 179-05 (PFAFF 1246) B 91-015 519-05 (PFAFF 1246) C PFAFF 1245-900/56; 1246-900/56 PFAFF 1245 900/56; 1246 900/56 91-176 329-05 91-176 328-05 Keystone Sewing Machine Company, Inc.
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Page 46: Keystone Sewing Machine Company, Inc
PFAFF Industriesysteme und Maschinen AG Hans-Geiger-Str. 12 - IG Nord D-67661 Kaiserslautern Phone: +49 - 6301 3205 - 0 Fax: +49 - 6301 3205 1386 E-mail: info@pfaff-industrial.com Hotlines: Technical service: +49 - 175/2243-101 Application consultance: +49 - 175/2243-102 Spare-parts hotline:...