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Instruction Manual

3734 

-12/31

296-12-18 935/002
Betriebsanleitung  engl. 02.06

This instruction manual applies to machines from the

following serial numbers onwards:

#  2721275

Summary of Contents for 3734-12

Page 1: ...Instruction Manual 3734 12 31 296 12 18 935 002 Betriebsanleitung engl 02 06 This instruction manual applies to machines from the following serial numbers onwards 2721275...

Page 2: ...s The reprinting copying or translation of PFAFF Instruction Manuals whether in whole or in part is only permitted with our previous authorisation and with written reference to the source PFAFF Indust...

Page 3: ...isposal of the packaging 5 1 5 04 Storage 5 1 6 Explanation of the symbols 6 1 7 Controls 7 1 7 01 On off switch 7 1 7 02 Pedal 7 1 7 03 Knee switch 7 2 7 04 Lever for raising the Roller presser 7 2 7...

Page 4: ...and end backtacks 9 7 9 08 Entering changing the code number 9 8 9 09 Switching on adjusting the bobbin thread control with reverse stitch count 9 10 10 Sewing 10 1 10 01 Manual sewing 10 1 10 02 Pro...

Page 5: ...ng position of the roller lever radial position of the control cam 12 22 12 05 02 Position of the thread catcher holder 12 23 12 05 03 Distance between thread catcher and needle plate 12 24 12 05 04 P...

Page 6: ...g sewing tools e g needle roller presser needle plate or bobbin when threading the machine when leaving the machine unattended and during maintenance work the machine is to be separated from the power...

Page 7: ...onnel is to be instructed as to the safety equipment of the machine and regarding safe work methods It is the duty of the user to only operate the machine in perfect running order It is the obligation...

Page 8: ...ways immediately report to the person responsible any changes in the machine which may limit its safety 1 05 02 Specialist personnel Specialist personnel are persons with a specialist education in the...

Page 9: ...e machine settings Objects can become trapped or be slung away Danger of injury Do not operate the machine without support 1 Danger due to top heavy sewing head Machine can tip over backwards when til...

Page 10: ...sewing lockstitch seams in the clothing industry 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 hel...

Page 11: ...voltage 230 V 10 50 60 Hz alternating voltage Max power consumption 1 2 kVA Fuse protection 1 x 16 A inert Noise data Noise emission level at workplace with a sewing speed of 2700 spm LpA 80 dB A Nois...

Page 12: ...arious plastics The electrical equipment consists of plastics and copper The machine is to be disposed of in accordance with the locally valid environmental protection regulations If necessary a speci...

Page 13: ...use Always ensure that the machine is only transported upright 5 03 Disposal of the packaging The packaging of these machines consists of paper cardboard and VCE fibre The proper disposal of the packa...

Page 14: ...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 Lubrication greasing Se...

Page 15: ...tion 1 Sewing 2 Raise roller presser 3 Trim thread and raise roller presser 1 4 Variable application of fullness 87 004 77 005 Fig 7 01 7 Controls 7 01 On off switch Turn the machine on off by turning...

Page 16: ...87 004 7 04 Lever for raising the roller presser Raise the roller presser by turning lever 1 7 03 Knee switch By operating knee switch 1 it is possible to select 2 pre set values for fullness Fig 7 03...

Page 17: ...tus also see Chapter 10 Sewing When entering the parameters the selected parameter number with the corresponding parameter value is displayed see Chapter 12 06 Parameter settings 7 05 02 Function keys...

Page 18: ...er sewing stops When entering the code number the key corresponds to the number 4 Foot position after trimming By pressing this key the function Foot raised after thread trimming is switched on or off...

Page 19: ...ing values see Chapter 12 06 Parameter settings Scrolling When this key is pressed it is possible to scroll through the input menus on the display PM By pressing this key the Programmed Sewing functio...

Page 20: ...en while sewing 8 01 Mounting The necessary electricity supply must be available at the machine s location There must be a stable and horizontal surface and adequate lighting at the machine s location...

Page 21: ...2 provided in the accessories using screws 3 and 4 Do not operate the machine without tilt lock 1 Danger of crushing between sewing head and table top 1 2 3 4 8 01 03 Fitting the machine cover Slide t...

Page 22: ...ge motor 8 02 01 Mounting the flange motor to the bearing plate Fig 8 04 1 3 2 3 Attach bearing plate 1 to motor 2 with screws 3 as shown in Fig 8 04 Remove the wedge from motor shaft 4 Attach angle b...

Page 23: ...ig 8 06 Connect all plugs as labelled to the control box 1 Screw the earth cable from the sewing head to earth point A Screw the earth cable 2 from the motor to earth point B Connect earth point C and...

Page 24: ...nfirm the selection by pressing the corresponding key Enter the code number see Chapter 9 08 Entering changing the code number Select the parameter group 603 by pressing the corresponding key Turn the...

Page 25: ...the balance wheel in sewing direction until the needle point descending from above is level with the top edge of the needle plate and re check the value A tolerance of 2 increments is allowed Conclude...

Page 26: ...machine starting when the main switch is on Fig 8 09 1 2 8 02 07 Checking the function of the start inhibitor Switch the machine on at the main switch and tilt back the sewing head The error message S...

Page 27: ...in particular the electric cables for any damage Have a qualified person check whether the motor can be driven with the existing power voltage If there are any differences the machine must definitely...

Page 28: ...socket 9 01 Inserting the needle Switch the machine off Danger of injury if the machine is started accidentally Only use needles from the system intended for the machine see Chapter 3 Specifications...

Page 29: ...led outside the sewing operation the drive for the roller presser and the feed wheel should be switched off by pressing the Stop key This function of the Stop key is only available in the manual sewin...

Page 30: ...nserting the bobbin case Insert bobbin case 2 Close the latch and close the post cap Fig 9 03 9 04 Threading the bobbin case Adjusting the bobbin thread tension Insert the bobbin into the bobbin case...

Page 31: ...hread Adjusting the needle thread tension Switch the machine off Danger of injury if the machine is started accidentally Thread needle thread as shown in Fig 9 05 Adjust the needle thread tension by t...

Page 32: ...g key Set the stitch length feed stroke for the feed wheel by pressing the corresponding key 9 06 02 Entering a second stitch length or amount of fullness With the PM key in addition to the standard s...

Page 33: ...ameter input function 3 2 x No VAL 101 II TE Select parameter 107 by pressing the corresponding key No No VAL 107 4 0 TE 2 5 2 5 VAL By pressing the corresponding key set the maximum stitch length for...

Page 34: ...y pressing the corresponding key select the desired value for the number of forward stitches A of the start backtack By pressing the corresponding key select the desired value for the number of revers...

Page 35: ...ey functions Conclude code input by pressing the corresponding key The code input is stored until the machine is switched off at the main switch As long as the machine is not switched off there is fre...

Page 36: ...tions Conclude the input by pressing the corresponding key The new code number is stored and the parameter input concluded No VAL 801 0 TE By pressing the corresponding key select the parameter 810 No...

Page 37: ...ue enter is stored To activate the stitch counting function the value of parameter 104 must be set at 1 Shortly before the number of stitches entered have been sewn the signal WARNING 2 appears on the...

Page 38: ...ine has been switched on Chapter 7 01 Main switch and the manual sewing mode has been selected with the PM key the display appears for entering the stitch length also see Chapter 9 06 Entering the sti...

Page 39: ...1 Main switch and programmed sewing has been selected with the PM key the display appears for selecting the program number seam section and stitch length 2 1 1 2 6 2 5 PM Further functions in programm...

Page 40: ...d wheel 10 03 Altering seam programs Switch on the machine Select the programmed sewing mode with the PM key 2 1 1 2 6 2 5 PM 10 04 Error messages If an error occurs the text ERROR appears on the disp...

Page 41: ...the bobbin Unscrew hook gib 1 Turn the handwheel until the point of bob bin case 2 penetrates into the groove of the hook race approx 5 mm Remove bobbin case 2 Clean the hook race with paraffin When i...

Page 42: ...g periods out of operation pour a few drops of oil into the hook race see arrow 11 03 Checking the oil levels Before each operation check the oil levels Oil must always be visible in the reserve tanks...

Page 43: ...ad back onto the support To set the sewing head upright press tilt lock 1 backwards and set the sewing head upright using both hands Use both hands to set the sewing head upright Danger of crushing be...

Page 44: ...cal work sequence for machines which have to be completely adjusted If only specific individual work steps are carried out both the preceding and following chapters must be observed Screws nuts indica...

Page 45: ...ction of sewing Requirement The needle must penetrate the middle of the needle hole as viewed in the direction of sewing Move the needle bar frame 1 screws 2 and 3 in accordance with the requirement S...

Page 46: ...wing Requirement The needle must penetrate the middle of the needle hole as viewed across the direction of sewing Fig 12 02 Move the feed wheel post 1 screws 2 3 and 4 in accordance with the requireme...

Page 47: ...he needle height Requirement With the needle bar at TDC there must be approx 21 mm between the point of the needle and the needle plate Move the needle bar 1 screw 2 in accordance with the requirement...

Page 48: ...edge of the needle eye must be 0 8 1 00 mm below the hook point and 3 The needle guard 7 must lightly touch the needle 5 4 4 0 8 1 mm 11 12 61 028 1 3 2 8 9 87 022 6 Fig 12 04 5 7 10 Loosen screws 1...

Page 49: ...ount tighten screws 2 Remove the adjustment pin from hole 6 Install the retaining collar 8 on bevel gear 9 and tighten screws 1 and 3 Tighten screws 5 on both sides of the post Align needle guard 7 in...

Page 50: ...e catch of the bobbin case should be 0 3 0 5 mm from the back edge of the needle plate recess Fig 12 05 Adjust bobbin case opener 1 screw 2 in accordance with requirement 1 Turn the balance wheel unti...

Page 51: ...el Requirement The feed wheel should jut 0 4 mm out of the needle plate 1 2 3 Swing out the roller presser Loosen screw 1 Adjust the eccentric screw 3 which is accessible through hole 2 in accordance...

Page 52: ...heel Requirement When lever 1 is raised the clearance between feed band and feed wheel should be 7 mm Raise lever 1 Adjust the presser bar screws 2 in accordance with the requirement making sure that...

Page 53: ...in the direction of sewing the centre of the roller presser should be approx 2 mm in front of the needle 3 Seen crosswise to the direction of sewing the roller presser should be as close as possible...

Page 54: ...04 09 Puller Requirement The puller 1 should be positioned horizontally to the needle plate and the toothed belt of the puller should move freely Adjust puller 1 screws 2 in accordance with the requir...

Page 55: ...on solenoid 6 is released Raise lever 1 and adjust screw 2 nut 3 in accordance with requirement 1 Raise the roller presser with the automatic presser foot lift or with the knee lever and adjust catch...

Page 56: ...ith the hand lever the diode 6 of switch 1 should light up Switch on the machine Adjust switch 1 screws 2 in accordance with requirement 1 Adjust bracket 3 screws 4 in accordance with requirement 2 Th...

Page 57: ...ise the roller presser 1 2 Adjust solenoid 1 screws 2 in accordance with the requirement Switch on the machine and check the requirement Switch off the machine Depending on the material thickness the...

Page 58: ...12 15 12 04 13 Retainer Requirement The retainer 3 should just rest on the material so that the material does not start fluttering during sewing Adjust pin 1 screw 2 according to the requirement Fig 1...

Page 59: ...st raise slightly from the workpiece rack 1 Fig 12 14 Move workpiece rack 1 screw 2 in accordance with requirement 1 Turn screw 3 screw 4 to adjust the strength of the spring Move the slack thread reg...

Page 60: ...he bobbin winder off the friction wheel 5 must not engage 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 2 1 5 Fig 1...

Page 61: ...out difficulty No pressure marks should be visible on the material Fig 12 16 Adjust screw 1 under a cover in accordance with the requirement If the roller presser pressure is low enough the lowering s...

Page 62: ...7 Locking the set value transmitter Requirement The pedal for selecting the fullness left pedal should be held securely in every position without being too stiff Fig 12 17 Adjust screw 1 in accordance...

Page 63: ...k Check whether oil has been filled in and that there is no air in the oil lines Let the machine run for 2 3 min While the machine is running do not place hands in the needle or hook area Danger of in...

Page 64: ...er When the thread jams the coupling 1 disengages in order to avoid damage to the hooks A description of how to engage the coupling follows Fig 12 19 Remove jammed thread Hold coupling 1 with screw 2...

Page 65: ...touching piston 6 and the roller of roller lever 7 should be 0 3 mm away from control cam 3 2 When the take up lever is at t d c control cam 3 should just have placed roller lever 7 in its resting pos...

Page 66: ...e neutral position and the foremost position of the catcher the distance between the toothed segment 4 and the outer edge of the thread catcher holder 1 should be the same see arrow Adjust the thread...

Page 67: ...and needle plate Requirement During its swivel movement thread catcher 1 should not pass the edge of the needle plate see arrow Fig 12 22 Move thread catcher 1 screws 2 two screws parallel to the thr...

Page 68: ...thread trimmer is in its neutral position the rear edge of thread catcher should be positioned approx 2 5 3 mm behind the edge of the knife Move thread catcher 1 screws 2 two screws in accordance with...

Page 69: ...1 should be touching the needle plate 2 The knife pressure should be set as low as possible but the cutting operation should still be carried out reliably Fig 12 24 Move knife 1 screws 2 in accordance...

Page 70: ...with requirement 1 Adjust the tension in accordance with requirement 2 by bending side 4 of the bobbin thread clamp spring 1 Control requirement 1 Switch off the machine and bring the take up lever t...

Page 71: ...the needle thread and the bobbin thread must be perfectly cut and bobbin thread 3 retained Sew a few stitches Turn off the on off switch Carry out the cutting operation manually Check requirement 1 an...

Page 72: ...up From the following parameter groups parameters can be called up and altered With a code the parameter groups can be protected against unauthorised access 2x 2x Select parameter group appropriate ke...

Page 73: ...taken over and the machine changes to the sewing mode 12 06 02 Parameter input example Switch on the machine Select input mode by pressing TE Speed key twice Select parameter group 500 by pressing the...

Page 74: ...play software version of the V35 sewing drive 112 Key tone of the control panel I off II on II 113 Horn for section change II I off II on 2 202 Lowering speed roller presser I slow II quick II 203 Pul...

Page 75: ...0 1500 700 504 Speed soft start 100 3500 1500 505 Soft start stitches 0 15 0 6 601 Move stepping motor roller presser and feed wheel 602 Display inputs 0123456789ABCDEF 0 not assigned E16 1 not assign...

Page 76: ...speed 3 25 18 713 Acceleration ramp 1 50 35 714 Brake ramp 1 50 30 715 Reference position 0 127 20 716 Time out 0 255 40 717 Starting current motor 3 10 8 718 Anti vibration filter 1 10 6 719 Rotation...

Page 77: ...equency too high Error 12 Error in sewing start deflection Error 13 Error in docu seam system Error 14 Incorrect program number larger than 99 Error 15 Incorrect section number Error 16 Memory full Er...

Page 78: ...onfirm selection by pressing the corresponding key Enter the code number see Chapter 9 08 Entering changing the code number Select parameter 604 by pressing the corresponding key Carry out cold start...

Page 79: ...ch off the machine Connect the PC serial interface or appropriate USB adapter and the machine control unit RS232 To do so disconnect the plug of the control panel Switch on the PC and start the PFP bo...

Page 80: ...1 A B 91 175 690 05 91 140 945 05 A B 91 263 428 05 A B 11 330 085 15 13 Wearing parts This is a list of the most important wearing parts A detailed parts list for the complete machine is included wit...

Page 81: ...arts 13 2 11 130 092 15 2x 12 315 080 15 2x 91 263 139 05 11 108 846 15 2x 91 263 348 05 11 108 093 15 2x 91 263 294 05 For Subclass 900 81 99 137 151 45 91 171 049 05 91 171 042 05 95 774 464 25 91 7...

Page 82: ...or switch S26 Knee switch program XP1 Pedal set value transmitter XP2 Pedal 2 Fullness X1 Mains plug X1A RS232 interface 1 Control panel BDF S2 X1B VSS Sewing head identification X3 Incremental transm...

Page 83: ...14 2 91 191 492 95 Part 1 Version 25 08 05 General plan circuit diagrams...

Page 84: ...14 3 General plan circuit diagrams Version 25 08 05 91 191 442 95 Part 2...

Page 85: ...14 4 91 191 492 95 Part 3 Version 25 08 05 General plan circuit diagrams...

Page 86: ...14 5 General plan circuit diagrams Version 25 08 05 91 191 442 95 Part 4...

Page 87: ...Notice...

Page 88: ...n AG Postfach 3020 D 67653 Kaiserslautern K nigstr 154 D 67655 Kaiserslautern Telefon 0631 200 0 Telefax 0631 17202 E Mail info pfaff industrial com Gedruckt in der BRD Printed in Germany Imprim en R...

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