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Index

Contents ................................................................................. Chapter - Page

13

.04

Adjusting the basic machine ....................................................................................... 13 - 2

13

.04.01

Positioning the needle in the direction of sewing ........................................................ 13 - 2

13

.04.02

Positioning the needle across the direction of sewing ................................................ 13 - 3

13

.04.03

Preadjusting the needle height .................................................................................... 13 - 4

13

.04.04

Needle rise, hook-to-needle clearance, needle height and needle guard ..................... 13 - 5

13

.04.05

Height and stroke of the bobbin case opener ............................................................. 13 - 7

13

.04.06

Height of the feed wheel ............................................................................................ 13 - 8

13

.04.07

Clearance between roller presser and feed wheel ...................................................... 13 - 9

13

.04.08

Roller presser ..............................................................................................................

13 - 10

13

.04.09

Puller (only on the PFAFF 3834-14/31) ........................................................................ 13 - 11

13

.04.10

Roller presser height level switch ............................................................................... 13 - 12

13

.04.11

Automatic presser foot lift .......................................................................................... 13 - 13

13

.04.12

Retainer ...................................................................................................................... 13 - 14

13

.04.13

Thread check spring .................................................................................................... 13 - 15

13

.04.14

Bobbin winder ............................................................................................................. 13 - 16

13

.04.15

Roller presser pressure ............................................................................................... 13 - 17

13

.04.16

Locking the set value transmitter ................................................................................ 13 - 18

13

.04.17

Lubrication .................................................................................................................. 13 - 19

13

.04.18

Re-engage safety coupling .......................................................................................... 13 - 20

13

.05

Adjusting the thread trimmer –900/81 ......................................................................... 13 - 21

13

.05.01

Resting position of the roller lever / radial position of the control cam ........................ 13 - 22

13

.05.02

Position of the thread catcher holder .......................................................................... 13 - 23

13

.05.03

Distance between thread catcher and needle plate .................................................... 13 - 24

13

.05.04

Position of the thread catcher ..................................................................................... 13 - 25

13

.05.05

Knife position and knife pressure ................................................................................ 13 - 26

13

.05.06

Bobbin thread retaining spring .................................................................................... 13 - 27

13

.05.07

Manual cutting test ..................................................................................................... 13 - 28

13

.06

Parameter settings ...................................................................................................... 13 - 29

13

.06.01

Overview of the parameter functions ......................................................................... 13 - 29

13

.06.02

Example of a parameter input ..................................................................................... 13 - 30

13

.06.03

List of parameters ....................................................................................................... 13 - 31

13

.07

Explanation of the error messages .............................................................................. 13 - 32

13

.08

Warning messages ..................................................................................................... 13 - 33

13

.09

Carry out a cold start ................................................................................................... 13 - 34

13

.10

Internet update of the machine software .................................................................... 13 - 35

13

.11

Service menu .............................................................................................................. 13 - 36

14

Wearing parts ............................................................................................................ 14 - 1

15

Circuit diagrams ........................................................................................................ 15 - 1

Summary of Contents for 3834-14/11

Page 1: ...This instruction manual applies to machines from the following serial numbers onwards 2 733 153 INSTRUCTION MANUAL 3834 14 11 14 31 296 12 18 936 002 Betriebsanleitung engl 06 09...

Page 2: ...cifications 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 PF...

Page 3: ...ls 6 1 7 Controls 7 1 7 01 On Off switch 7 1 7 02 Pedal 7 2 7 03 Machine head keys 7 1 7 04 Knee switch 7 3 7 05 Lever for raising the roller presser 7 3 7 06 Control panel 7 4 8 Mounting and commissi...

Page 4: ...ng 10 1 10 01 Manual sewing 10 1 10 02 Sewing with fixed programs 10 3 10 03 Programmed sewing 10 5 10 03 01 Fullness adjustment 10 7 10 03 02 Selecting the garment size 10 7 10 03 03 Program interrup...

Page 5: ...presser pressure 13 17 13 04 16 Locking the set value transmitter 13 18 13 04 17 Lubrication 13 19 13 04 18 Re engage safety coupling 13 20 13 05 Adjusting the thread trimmer 900 81 13 21 13 05 01 Re...

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

Page 7: ...nnel 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: ...y 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 fields of elec...

Page 9: ...ings 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 tilted Do not ope...

Page 10: ...ds and reverse feeding feed wheel and driven puller This machine is used for sewing lockstitch seams in the clothing industry Any and all uses of this machine which have not been approved of by the ma...

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

Page 12: ...various 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 spec...

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 fiber 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: ...y turning On Off switch 1 1 7 02 Pedal 0 Neutral position 1 Sewing 2 Raise roller presser 3 Cut sewing thread and raise roller presser 1 4 Apply variable amount of fullness The current fullness is sho...

Page 16: ...e roller presser feed stroke is reduced by pressing this key Key 3 The roller presser feed stroke is increased by pressing this key Diode 4 Diode 4 flashes when the pre selected number of stitches for...

Page 17: ...ng lever 1 Fig 7 05 7 04 Knee switch By operating the knee switch 1 in the fixed programs and in programmed sewing it is possible to signal the end of the seam section To make it possible to switch to...

Page 18: ...selected by pressing the appropriate position on the monitor By pressing the corresponding function this is carried out or switched on or off immediately or a further menu appears e g for entering a...

Page 19: ...iciently sturdy including during all sewing operations 8 01 Mounting The necessary electricity supply must be available at the machine s location There must be a stable and horizontal surface and adeq...

Page 20: ...2 from the accessories with 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 the slots...

Page 21: ...4 Remove the wedge from motor shaft 4 Attach angle bracket 5 with screws 6 Fit toothed belt wheel 7 to the motor shaft 4 so that the point of the screw is located in the groove of the motor shaft Scre...

Page 22: ...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 23: ...ter the code number see Chapter 9 12 Entering altering the code number Turn the motor shaft by hand until the value 11 is under POS on the display Turn the balance wheel in sewing direction until the...

Page 24: ...1 2 3 Fig 8 07 77 012 4 5 7 7 6 Move bearing plate 6 of the motor so that toothed belt 5 is stretched In this position tighten screws 7 Turn the balance wheel in sewing direction until the needle poin...

Page 25: ...vents the 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 stop...

Page 26: ...ne 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 definite...

Page 27: ...g the needle Switch off the machine Danger of injury if the machine is started accidentally Only use needles from the system intended for the machine see Chapter 3 Specifications Raise the roller pres...

Page 28: ...outside the sewing operation the drive for the roller presser Puller and the feed wheel should be switched off by pressing the wind the bob bin thread function This function is only available in the m...

Page 29: ...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 1 Pass the t...

Page 30: ...Preparation 9 4 9 05 Threading the needle thread Switch off the machine Danger of injury if the machine is started accidentally Thread the machine as shown in Fig 9 05 Fig 9 05...

Page 31: ...e display from the numerical value e g 50 and on the bar graph display In the manual sewing mode and in the fixed programs 1 and 2 the thread tension can be changed directly In the programmed sewing m...

Page 32: ...elect the desired program number Confirm the selection and quit the selection menu The type of sewing is stipulated with the selection of the program number see Chapter 10 Sewing Program number 0 Manu...

Page 33: ...okes of the roller presser and feed wheel can be changed directly Switch on the machine Call up the stitch length input menu Change the feed strokes for roller presser and feed wheel individually or C...

Page 34: ...ations with the fullness pedal left pedal Switch on the machine Call up the input mode Select parameter 107 4 0 107 Set the maximum feed stroke of the roller presser with the fullness pedal left pedal...

Page 35: ...ing of the seam Switch on the machine Call up the start backtack input menu Select the desired type of start backtack The selected activated function appears as an inverse symbol Single start backtack...

Page 36: ...ktack input menu The input for the end backtack value is analogous to that for the start backtack The pedal controlled backtack speed and the stitch placement position cannot be selected at the end of...

Page 37: ...hen the number of stitches entered have been sewn the diode on the sewing head panel flashes After thread trimming the message WARNING 2 appears on the display also see Chapter 13 08 Warning messages...

Page 38: ...altering the code number Switch on the machine Call up the input mode Select parameter 800 CODE 800 Select the code number input menu Enter the code number on the number keys factory code setting is 1...

Page 39: ...nd enter the desired code number CODE 3834 0 9999 CODE 800 Take over the new code number Conclude input The code input remains stored until the machine is switched off at the main switch As long as th...

Page 40: ...el Switch on the machine Call up the input mode Select the service menu Select control panel functions Change the display contrast Switch the key tone off or on Never reduce the display contrast to th...

Page 41: ...stitch placement position when starting sewing the thread tension and the needle and sewing foot positions are shown on the display and can be changed directly Fullness can be controlled with the sti...

Page 42: ...of roller presser and feed wheel Bartack suppression When pressed once this suppresses the next bartack When pressed twice this suppresses the next two bartacks Needle position raised When this functi...

Page 43: ...osition when sewing starts the needle and sewing foot positions and the thread tension apply to all sections and can be changed at any time Switch on the machine and select program number 1 or 2 see C...

Page 44: ...xt bartack When pressed twice this suppresses the next two bartacks Needle position raised When this function is activated the needle moves to its highest position t d c take up lever after sewing sto...

Page 45: ...oller presser with fullness adjustment bottom feed stroke feed wheel length of the seam section and thread tension are displayed The top feed stroke roller presser fullness adjustment and thread tensi...

Page 46: ...bobbin thread Enables winding without the feed motion of roller presser and feed wheel see Chapter 9 02 Winding the bobbin thread Adjusting the bobbin winder tension Basic size garment size Shows the...

Page 47: ...s adjustment applies to the complete seam program only seam sections with programmed fullness and is maintained Stitch length small adjustment value large If the fullness is adjusted after sewing star...

Page 48: ...ion and carry out the other functions as in manual sewing see Chapter 10 01 Manual sewing If necessary call up programmed sewing again 10 04 Error messages If an error occurs the text ERROR appears on...

Page 49: ...alue Change the value of the selected parameter see Chapter 13 06 02 Example of a parameter input Software information Calls up information about the current machine software Creating adjusting a prog...

Page 50: ...to be sewn 11 01 01 Basic settings for seam program input In the Creating adjusting a program and the Teach in functions the basic settings are the same and consist of the basic size bottom feed stro...

Page 51: ...with the right seam If applicable enter or change a comment Conclude the input of the basic settings and change to the seam section input see Chapter 11 01 02 Seam program input with the Creating adju...

Page 52: ...input Set the feed stroke for the roller presser The difference to the feed stroke of the feed wheel basic stitch length determines the fullness Enter the basic value for the thread tension The actual...

Page 53: ...the right or only the left sleeve seam the program end is set in the desired seam section In the same way as the program end the seam end is set when entering the right and left sleeve seam The seam e...

Page 54: ...e screen Set the top feed stroke roller presser The difference to the feed stroke of the feed wheel basic stitch length determines the fullness Enter the basic value for the thread tension The actual...

Page 55: ...set accordingly Set the seam end or program end If entering only one seam only the right or the left the program end is set in the desired seam section In the same way as the program end the seam end...

Page 56: ...m number 10 with the comment seam 1 Switch on the machine Select the program number 10 see Chapter 9 07 Selecting a program number Call up the input mode Call up the Creating adjusting a seam program...

Page 57: ...he seam length should be 30 mm and the roller presser should work with a feed stroke stitch length of 2 6 mm Select the value 2 6 for the feed stroke stitch length of the roller presser Enter the valu...

Page 58: ...n the machine Select the program number 5 see Chapter 9 07 Selecting a program number Call up the input mode Call up the Teach in function Set the basic size 50 Set the feed stroke 2 4 as the basic st...

Page 59: ...ith a feed stroke stitch length of 3 0 mm and the thread tension should be 5 Select the value 3 0 for the feed stroke stitch length of the roller presser Select the graduation value 3 5 Set the thread...

Page 60: ...stroke stitch length of the roller presser Select the graduation value 0 0 Set the thread tension at 5 Sew the second seam section with the pedal function 2 7 0 0 Activate the end of seam function 5 2...

Page 61: ...resser Select the graduation value 3 5 Set the thread tension at 5 Sew the first seam section with the pedal function 2 8 3 5 In the second seam section the graduation value should be 0 the roller pre...

Page 62: ...88 2 4 5 2 48 3 5 2 5 2 9 By operating the pedal carry out the thread trimming function see Chapter 7 03 Pedal Conclude the seam program input and change to the programmed sewing mode 2 59 2 6 5 2 2...

Page 63: ...t takes up to 20s until the card is detected Switch on the machine Call up the input mode Call up program administration Read SD Card and machine memory again Explanation of the functions Input mode C...

Page 64: ...ied to from SD Card or can be deleted on the SD Card filename MDAT Format SD Card The Format function formats the SD Card If the SD Card is not readable it is new formatted If the SD Card is readable...

Page 65: ...he bobbin Unscrew hook gib 1 Turn the handwheel until the point of bobbin case 2 penetrates into the groove of the hook race approx 5 mm Remove bobbin case 2 Clean the hook race with paraffin When ins...

Page 66: ...g periods out of operation pour a few drops of oil into the hook race see arrow 12 03 Checking the oil levels Before each operation check the oil levels Oil must always be visible in the reserve tanks...

Page 67: ...d 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 bet...

Page 68: ...al work steps are carried out both the preceding and following chapters must be observed Screws nuts indicated in brackets are fastenings for machine parts which must be loosened before adjustment and...

Page 69: ...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 4 and nut 3 in accordance with the requirem...

Page 70: ...ewing Requirement The needle must penetrate the middle of the needle hole as viewed across the direction of sewing Fig 13 02 Move the feed wheel post 1 screws 2 and 3 in accordance with the requiremen...

Page 71: ...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 72: ...2 Adjust the hook post according to requirement 1 and tighten screws 4 13 04 04 Needle rise hook to needle clearance needle height and needle guard Requirement When the needle bar is positioned at 2 0...

Page 73: ...e adjustment pin from hole 5 Install the retaining collar 7 on bevel gear 8 and tighten screws 1 Tighten screws 3 on both sides of the post Align needle guard 6 in accordance with requirement 3 When c...

Page 74: ...e catch of the bobbin case should be 0 3 0 5 mm from the back edge of the needle plate recess Fig 13 05 Adjust bobbin case opener 1 screw 2 in accordance with requirement 1 Turn the balance wheel unti...

Page 75: ...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 76: ...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 77: ...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 78: ...nly on the PFAFF 3834 14 31 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...

Page 79: ...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 80: ...ise the roller presser 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 clea...

Page 81: ...13 14 13 04 12 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 82: ...ust be raised slightly above the workpiece rack 1 Fig 13 12 Move workpiece rack 1 screw 2 in accordance with requirement 1 Turn screw 3 screw 4 to adjust the tension of the spring Move the slack threa...

Page 83: ...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 84: ...ithout difficulty No pressure marks should be visible on the material Fig 13 14 Adjust screw 1 under a cover in accordance with the requirement If the roller presser pressure is low enough the lowerin...

Page 85: ...6 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 13 15 Adjust screw 1 in accordance...

Page 86: ...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 87: ...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 13 17 Remove jammed thread Hold coupling 1 with screw 2...

Page 88: ...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 89: ...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 90: ...and needle plate Requirement During its swivel movement thread catcher 1 should not pass the edge of the needle plate see arrow Fig 13 20 Move thread catcher 1 screws 2 two screws parallel to the thr...

Page 91: ...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 92: ...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 13 22 Move knife 1 screws 2 in accordance...

Page 93: ...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 94: ...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 95: ...unction the input mode is called up in which the individual parameters can be called up directly With a code it is possible to protect all or individual parameter groups against unauthorised access Se...

Page 96: ...t 13 29 Switch off e g bobbin thread monitoring value 0 Conclude input 13 06 02 Example of a parameter input Switch on the machine Call up the input mode Select e g parameter 104 bobbin thread monitor...

Page 97: ...105 Bobbin thread reverse counter 0 99999 12000 106 Remaining bobbin thread counter 0 999 100 107 Maximum stitch length of fullness 0 8 6 5 4 0 pedal mm 108 Display software version of main processor...

Page 98: ...50 35 405 Time for cleaning thread monitor s 0 01 1 50 0 25 5 501 Maximum speed 100 3500 3500 502 Speed start backtack 100 1500 700 503 Speed end backtack 100 1500 700 504 Speed soft start 100 3500 1...

Page 99: ...position correction 0 127 64 8 801 Right of access function group 100 0 1 0 802 Right of access function group 200 0 1 1 803 Right of access function group 300 0 1 1 804 Right of access function group...

Page 100: ...epping motor processor E011 Stepping motor stepping frequency too high E012 Error in sewing start deflection E013 Error in docu seam system E014 Incorrect program number larger than 99 E015 Incorrect...

Page 101: ...tart Switch on the machine Call up the input mode Call up the service menu Carry out a cold start After a cold start all programmed values are set back to their status at the time of delivery The pull...

Page 102: ...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 103: ...wing mode Quit the service menu and call up the sewing mode Set reset outputs Use the arrow functions to select the desired output and set function 1 or reset function 2 Cold start See Chapter 13 09 C...

Page 104: ...90 05 91 140 945 05 A B 91 263 428 05 A B 11 330 085 15 15 120 006 05 14 Wearing parts This is a list of the most important wearing parts A detailed parts list for the complete machine is included wit...

Page 105: ...arts 14 2 for subclass 900 81 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 99 137 151 45 91 171 049 05 91 171 042 05 95 774 464 25 91 7...

Page 106: ...d strength solenoid XP1 Pedal set value transmitter XP2 Pedal Fullness X1 Mains plug X1A RS232 interface 1 Control panel T1 X1B VSS Sewing head identification X3 Incremental transmitter sewing motor X...

Page 107: ...15 2 91 191 467 95 Page 1 Version 25 08 05 Circuit diagrams...

Page 108: ...15 3 Circuit diagrams Version 25 08 05 91 191 467 95 Page 2...

Page 109: ...15 4 91 191 467 95 Page 3 Version 25 08 05 Circuit diagrams...

Page 110: ...15 5 Circuit diagrams Version 25 08 05 91 191 467 95 Page 4...

Page 111: ...15 6 91 191 467 95 Page 5 Version 25 08 05 Circuit diagrams...

Page 112: ...ger Str 12 IG Nord D 67661 Kaiserslautern Phone 49 631 200 0 Fax 49 631 17202 E mail info pfaff industrial com Hotlines Technical service 49 175 2243 101 Application consultance 49 175 2243 102 Spare...

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