3339 the needle system 287 has the same shank size thru out the size range of Instruction Manual needles. The shank is the same size as the 34 system needle. needle system 16X95 or 71X1 is the same as the system 287 needle.
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At the time of printing, all information and illustrations contained in this document were up to date. Subject to alteration! The reprinting, copying or translation of PFAFF parts lists whether in whole or in part, is only permitted with our previous permission and with written reference to the source. G.M. PFAFF AG...
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...
It is the obligation of the operator to ensure that none of the safety mechanisms are removed or deactivated. It is the obligation of the operator to ensure that only authorised persons operate and work on the machine. Further information can be obtained at your PFAFF agent. 1 - 2...
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.
Safety Danger 06.01 Take up lever guard Do not operate the machine without the take up lever guard 1! Danger of injury due to movement of the take up lever! Fig. 1 - 01 06.02 Eye guard Do not operate the machine without the eye guard 2! Danger of injury by pieces of needle which can be slung away!
Safety 06.03 Finger guard Do not operate the machine without the finger guard 3! Danger of injury due to the up and down movement of the needle! Fig. 1 - 03 06.04 Belt guard Do not operate the machine without the belt guard 4! Danger of injury due to the movement of the belt! Fig.
Proper use Proper use The PFAFF 3339 is a high speed sewing machine for sewing lockstitch bartacks and short seams. Any and all uses of this machine which have not been approved of by the manufacturer are considered to be inappropriate! The manufacturer cannot be...
Specifications Specifications Stitch type: ....................301 ( lockstitch ) Model: ........................A; B; C Needle system: on models A and B ......................34 on model C and sub class -381/................DPx17 Needle thickness (Nm) in 1/100 mm: on model A ......................60 - 70 on model B ......................
Disposal of the machine Disposal of machine waste The proper disposal of machine waste is the responsibility of the customer. The materials used on the machines are steel, aluminium, brass and various plastics. The electrical equipment consists of plastics and copper. The machine waste is to be disposed of in accordance with the locally valid environmental protection regulations.
Transport, packaging and storage Transport, packaging and storage Transport to the customers premises Within Germany, the machine is delivered without packaging. Machines for export are packaged as follows: Stand: In crate or cover, dependent on method of transport. Machine head: In carton with polyurethane high-resistance foam filling. Transport within the customers premises The manufacturer carries no liability for transport within the customer’s premises.
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 Servicing, repairing, adjustment, maintenance (only to be carried out by specialist personnel) Lubrication, greasing 6- 1...
Operational controls Operational controls On/off switch Switch the machine on/off by switching switch 1 up or down. When the machine is on, the light in the switch is lit. Fig. 7 - 01 Pedal When the motor is on 0 = motor is running, work clamp is lifted. +1 = Work clamp is lowered.
Operational controls Adjustment pin for the seam construction size Switch off the machine! Lateral movement Loosen nut 1 and move pivot pin 2 as required. Fig. 7 - 03 Switch off the machine! Lengthwise movement Loosen nut 3 and move pivot pin 4 as required.
Operational controls Adjustment lever for the seam construction size on machines with quick adjustment (subclasses -964/03) Lateral movement Press lever 1 down and move it as required. Fig. 7 - 05 Lengthwise movement Press lever 2 down and move it as required.
Mounting and initial operation Mounting and initial operation This machine must only be mounted and operated by qualified specialist personnel! All relevant safety regulations are to be observed! The machine must be mounted where suitable electricity and compressed air supplies are available (see specifications). A horizontal and stable floor and adequate lighting must be present at the place where the machine is mounted.
Mounting and initial operation Positioning the machine head and mounting the anti tilt device .01.02 Insert and attach the machine head into the table top with its hinged hook. Tilt the machine head backwards a little and have a second person hold it in this position.
Mounting and initial operation Mounting the V-belt .01.04 Tilt the machine backwards. Lay the V-belt onto the drive wheel of the machine and the V-belt pulley of the motor. Hold the machine firmly, raise the anti tilt device 2 (Fig 8.02) and return the machine to its upright position with both hands.
Mounting and initial operation Mounting the synchronizer .01.06 Screw the synchronizer onto the arm shaft. Insert the synchronizer plug into the motor control-box. Adjust in accordance with chapter 11.22. Mounting the upper V-belt guard .01.07 Attach the V-belt guard 1 with screws 2.
Mounting and initial operation Mounting the sewing lamp .01.09 Screw the sewing lamp onto the table top (wood screws 5x35) and have the lamp connected by an appropriately trained person. 01.10 Mounting the spool holder Mount the spool holder Insert the spool holder into the hole in the table top and and fasten it with the enclosed nuts.
Preparation Preparation All regulations and notes in this instruction manual are to be strictly observed. Take special care to observe all safety regulations! All preparation work must be carried out by appropriately trained personnel. The machine is to be separated from the power supply by switching the machine off at the on/off switch or by pulling the mains plug out of the socket! Needle and thread The choice of the correct needle depends on the model of the machine and the yarn and...
Preparation Inserting the needle Switch off the machine! Needle system: 34 on models A + B; DPx17 on model C and subclass -381/.. Loosen needle retaining screw 1. Insert the needle as far as it will go (the groove in the needle must be pointing forwards).
Preparation Inserting/removing the bobbin case Switch off the machine! Removing the bobbin case Open the lid of the free arm 1. Raise catch 2 and remove the bobbin case 3. Inserting the bobbin case Insert the bobbin case 2 so that it clicks into place.
Preparation Fig. 9 - 05 Threading the needle thread Switch off the machine! Thread the machine in accordance with Fig. 9.05, taking care to ensure that the needle is threaded from the front (see arrow). Adjusting the needle thread tension Adjust tension 1 so that the knots of the stitches are on the underside of the workpiece.
Preparation Adjusting the bobbin thread tension Adjust the bobbin thread tension with screw 2. Fig. 9 - 06 Adjusting the thread brake Adjust the thread brake 1 so that the needle thread does not move when removing the workpiece. Fig. 9 - 07 9 - 5...
Care and maintenance Care and maintenance Care and maintenance intervals Cleaning ............weekly. Daily when in continuous operation General lubrication ....................weekly Lubrication of machine head parts (container on machine head) ...... as required Lubrication of the hook (container on machine arm) ......... as required Check air pressure ..............
/s at 40°C and a density of 0.865 g/cm at 15°C! We recommend PFAFF sewing machine oil: Part no. 280-1-120 144. Return the machine to its upright position. Hold the machine firmly, raise the anti tilt device 2 and return the machine to its upright position with both hands.
Only use 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: Part no. 280-1-120 144. Fig. 10 - 04 Lubricating the hook Always check the oil level before...
Care and maintenance Air pressure Always check the air pressure on the manometer 1 before operating the machine. The manometer must display an air pressure of 6 bar. Adjust to this value if necessary. Fig. 10 - 06 Emptying/cleaning the water trap of the maintenance unit Switch the machine off.
Adjustment Adjustment All relevant safety regulations are to be strictly adhered to! The machine is to be separated from the power supply before all adjustment work and secured against accidentally being switched back on! All adjustments in these adjustment instructions are based on a completely mounted machine.
Adjustment Clamp release lever Requirement With the clamp release lever 5 in resting position there must be a clearance of 122 mm between the pressure plate 6 (in the arm of the machine) and the cover plate 7. Fig. 11 - 01 Disengage the connecting rod 1 to the knife control segment at the upper spherical head 2.
Adjustment Connecting rod of the knife control segment Requirement With the clamp release lever 3 in resting position the guide pin must be just touching the lowest point of the connecting link (see arrow). Fig. 11 - 02 Loosen nut 1. Upper nut has a left handed thread! Rotate the rod 2 in accordance with the requirement.
Adjustment Locking switch Requirement When the pressure plate 3 is touching the roller of lever 4 the locking switch 1 must switch over. Fig. 11 - 03 Move switch 1 (screws 2) in accordance with the requirement. 11 - 4...
Adjustment Centering the needle in the needle hole Requirement The needle must enter exactly into the middle of the needle hole. Fig. 11 - 04 Insert a new needle with the long groove facing forwards. Loosen screws 1. Rotate the V-belt wheel while at the same time moving the needle bar frame 2 in accordance with the requirement.
Adjustment Dismantling work for the following adjustments The machine must be in program end position. Fig. 11 - 05 Remove covering bar 1 (screws 2). Pull out the lower shaft 3 (screw 4) Pull out the upper shaft 5 (screw 6). Dismount the arch clamp frame 7.
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Adjustment Dismantling work (continued) Fig. 11 - 06 Pull slide 10 (screws 11) forward as far as possible and dismantle according to the side. Remove the crank drive guide and the slide underneath it. Take care of the distance disks which may be underneath it! Remove the lower-arm cover 12.
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Adjustment Dismantling work (continued) Fig. 11 - 07 Remove roller lever 15 (screws 16). Screw out screw 17. Rotate the eccentric bearing bush 18 a little to the left (anti clockwise) and pull it out. Remove the control cam disk 19. 11 - 8...
Adjustment Hook-to-needle clearance Requirement With the hook point in the middle of the needle scarf, the distance between the hook point and the needle scarf must be 0,1 mm. Fig. 11 - 08 Remove drift 1 (screw 2) from its shaft. Loosen screw 3 a few rotations and loosen the draw key beneath it by hitting the head of the screw.
Adjustment Driver 10.01 Driver shaft in sewing arm direction Requirement A distance of 1.3 mm should exist between the cast housing of the machine arm and the gear on the driver shaft. 1.3 mm Fig. 11 - 09 Loosen screws 1 and 2 (2x each). Bring the needle bar to its t.d.c.
Adjustment 10.02 Driver - needle guard Requirement With the needle bar at b.d.c. the driver 2 must be lightly touching the needle in the area of the needle guard bias, without pressing the needle. Fig. 11 - 10 Push the locking ring 1 a little to the front. Bring the needle bar to its b.d.c.
Adjustment 10.03 Driver play Requirement The driver should have no radial play and both cogs should be flush, however, the hindrance free running of the machine must be guaranteed. Fig. 11 - 11 Remove the right housing lid. Loosen screws 1. Turn eccentric axle 2 in accordance with the requirement.
Adjustment 10.04 Driver reversal point and needle bar rise Requirement With the needle bar at its b.d.c. the hook point must be at its left point of reversal. Fig. 11 - 12 Check that on the parts on the drive shaft (e.g. spur toothed wheel, eccentric and worm) the first screw in the direction of rotation is on the surface/in the groove and all the screws are tightened.
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Adjustment Fig. 11 - 13 If the hook point is not directly behind the needle, proceed as follows: Remove the clamp screw. Loosen the three screws 3 just enough so that the V-belt wheel can be rotated with difficulty. Hold the V-belt wheel and turn the toothed belt wheel a little. Set the needle bar rise and repeat the following points until the hook point is directly behind the needle: –...
Adjustment Hook race Requirement In every position there must be a large amount of play (for the thread) between the driver and the hook. Fig. 11 - 14 Loosen screws 1 on the hook race. Insert the hook into the hook race. Align the hook race in accordance with the requirement.
Adjustment Needle bar height Requirement With the hook point exactly in the middle of the needle, there must be a clearance of 1.5 mm between the top edge of the eye of the needle and the hook point. 1.5 mm Fig.
Adjustment Bobbin thread puller and knife Requirement 1. With the clamp lifting lever pressed there must be a clearance of 53 mm between the inside of the threaded hole 6 and the point of the bobbin thread puller. 2. The clearance from the cutting edge of the knife to the inside of the threaded hole 6 must be 38 mm.
Adjustment Inserting the control cam Requirement The control cam must be inserted in such a way that the play between the two spur gears is as minimal as possible without hindering the smooth running of the machine. The machine must be in program end position. Fig.
Adjustment Feed stroke Requirement The feed stroke of the functioning control lever must occur 50% before the t.d.c. of the needle bar and 50% after it. Fig. 11 - 18 Activate the engaging lever. Rotate the V-belt wheel to check the stroke of the needle and the control lever. Turn the control cam disk to carry out the correction (screws 1).
Adjustment Thread catcher 16.01 Thread catcher - connecting crank Requirement With the thread catcher fully activated by the cam there must be a clearance of 0,3 mm between crank 2 and the moulded wall. The machine must be in program end position. 0.3 mm Fig.
Adjustment 16.02 Thread catcher - position Requirement 1. With crank 6 touching the lower arm moulded wall, the thread catcher 4 must just be touching the needle. 2. With the thread catcher 4 in start position, there must be a clearance between the catcher point and the needle of 4 mm.
Adjustment 16.03 Thread catcher - movement Requirement The thread catcher must begin with its triggering movement when the hook point is directly behind the needle with the hook coming from the left on the last stitch of the sewing program. The machine must be in program end position.
Adjustment Counter blade on the needle blade and cutting test Requirement The clearance between the knife blade and the edge of the needle hole must be 1 mm. 1 mm Fig. 11 - 22 Adjust knife 1 (screws 2) in accordance with the requirement. Tighten screws 2 and screw on the needle plate.
Adjustment Presser feet Requirement 1. The presser feet must rise independently of eachother without touching. 2. The presser feet must lie exactly in the middle of the plate cutout. The machine must be in program end position. Fig. 11 - 23 Align the presser feet in accordance with requirement 1 (screws 1).
Adjustment Sewing construction in the presser foot cutouts Requirement The needle must enter the material at the same distance from both inner edges of the presser foot at the lengthwise and crosswise movements of the clamp carrier. The machine must be in program end position. Fig.
Adjustment Tension release cam Requirement At the first stitch and with the take up lever at its b.d.c. the lower thread tension must be closed. Fig. 11 - 25 Turn the V-belt wheel in its direction of rotation until the take up lever is at its b.d.c. Loosen screws 1 and move the tension release cam 2 down as far as possible.
Adjustment Tension release lever Requirement With the bobbin thread released the thread check spring must be at the same height as the slack thread control wire 4. Fig. 11 - 26 Turn the V-belt wheel in the direction of rotation until screw 1 is accessible. Loosen nut 2 and turn screw 1 in accordance with the requirement.
Adjustment Synchronizer Requirement The machine must position itself at the t.d.c. of the take up lever at every stop. Remove the needle. Screw the synchronizer on. Switch the machine on and allow it to position itself. Loosen the synchronizer screw and hold the synchronizer in position. Turn the V-belt wheel until the take up lever is at its t.d.c.
Adjustment Stop trip for starting the counting stitches for program end position Requirement Switch 6 must switch 3 stitches before program end. 0.3 mm Fig. 11 - 27 Bring the machine to program end position manually. Turn the V-belt five stitches backwards. Roller 1 must not be pressed by cam 2. Loosen screws 3 and move carrier 4 so that there is a distance between cam carrier 5 and roller 1 of 0.3 mm.
Adjustment Lifting lever cylinder Requirement With the cylinder bar 3 retracted the lifting lever 4 must have approx. 1.5 mm play and be able to be moved downwards by hand. Fig. 11 - 28 Move the cylinder plate 1 (screws 2) in accordance with the requirement. 11 - 30...
Adjustment Throttles Requirement 1. The clamps must rise quickly enough so that the thread leader in the bobbin is not too high. 2. The clamps must rise as fast as possible. Fig. 11 - 29 Adjust throttle 1 (raise) in accordance with the requirement. Adjust throttle 2 (lower) so that there is no noise is made when lowering.
Adjustment Bobbin winder Requirement 1. With the bobbin winder switched on, the bobbin winder spindle must be reliably engaged. With the bobbin winder switched off, the friction wheel 5 must not touch 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.
Adjustment Thread wiper Requirement 1. There must be a lateral clearance of 15 mm between the thread wiper wire 3 and the needle. 2. The thread wiper wire 3 must pass approx. 1 mm underneath the needle when the lifting lever is activated. The machine must be in program end position.
Adjustment Parameter adjustments The following parameter adjustments are possible via the display with the quick control panel. 28.01 List of parameters Group Parameter Explanation Adjustment range Standard value No. of stitches for reduced 3 - 10 speed n Reduced speed n 100 - 1000 Reduced speed n 500 - 1300...
Adjustment 28.02 Hidden parameters These parameters can only be adjusted via the service control panel! Group Parameter Explanation Adjustment range Standard value 1 - 15 Stitch counter for stop Maximum speed 1000 - 2500 2000 Presser foot cycle 0 - 90 0 - 90 On/off cylinder cycle 1 - 50...
Adjustment Speed adjustment Maximum speed: models A + B 2000 spm model C 1700 spm Open the control box of the motor. There is a switch key on the on the bottom left hand side of the control plate. Each time this switch key is pressed the speed is reduced 100 spm. In this way the speed can be reduced to 1000 spm.
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Aktiengesellschaft Postfach 3020 D-67653 Kaiserslautern Königstr. 154 D-67655 Kaiserslautern Telefon: (0631) 200-0 Telefax: (0631) 172 02 Telex: 45753 PFAFF D Gedruckt in der BRD Printed in Germany Imprimé en R.F.A. Impreso en la R.F.A. Stampato in R.F.G. e a a...
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