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Adjustment

13 - 28

13.

Adjusting the edge trimmer -726/05

13.

06.01

Replacing the knife

●

Turn the machine off.

●

Loosen screw

and remove knife

●

Insert a new knife

and slide it flush to the needle plate insert.

●

Tighten screw

Check

chapter 13.06.02 Knife position with regard to needle plate

and

chapter 13.06.03 Knife position across the direction of sewing.

Fig. 13 - 24

Содержание 1491E1

Страница 1: ...1491E1 1493E1 Instruction Manual 296 12 18 125 Betriebsanleitung engl 04 98...

Страница 2: ...ious authorisation and with written reference to the source G M PFAFF Aktiengesellschaft Postfach 3020 D 67653 Kaiserslautern K nigstr 154 D 67655 Kaiserslautern Editing Illustrations HAAS Publikation...

Страница 3: ...mer 5 1 5 02 Transport within the customer s premises 5 1 5 03 Disposal of the packaging 5 1 5 04 Storage 5 1 6 Explanation of the symbols 6 1 7 Control 7 1 7 01 On off switch 7 1 7 02 Keys on the mac...

Страница 4: ...rruption 10 5 10 06 Error messages 10 6 11 Programming 11 1 11 01 Symbols in the status bar 11 1 11 02 Symbols in the text and graphic fields 11 2 11 03 Symbols in the pictogram bar 11 3 11 04 Summary...

Страница 5: ...e needle in the direction of sewing 1493E1 13 6 13 04 05 Positioning the needle across the direction of sewing 13 7 13 04 06 Limiting the needle bar frame 1491E1 13 8 13 04 07 Preadjusting the needle...

Страница 6: ...ver 13 38 13 07 06 Adjusting the control cam with the adjustment gauge in relation to the bobbin opener and the scissor 13 39 13 07 07 Radial position of the control cam in relation to the bobbin open...

Страница 7: ...wing 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 sup...

Страница 8: ...ing the machine for the first time The operating and specialist personnel 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 on...

Страница 9: ...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 fie...

Страница 10: ...jury 2 3 4 Fig 1 01 1 6 5 Do not operate the machine without support 1 Danger due to top heavy sewing head Machine can tip over backwards when tilted Do not operate the machine without its take up lev...

Страница 11: ...e with forwards and reverse feeding feed wheel and roller presser These machines are used for sewing lockstitch seams in the leather and upholstery industries Any and all uses of this machine which ha...

Страница 12: ...te 518 x 177 mm Max speed 4000 spm Cutting clearance on 725 and 726 0 9 2 5 mm Cutting speed on 725 and 726 2800 cuts min Electrical data Operating voltage 230 V 10 50 60 Hz Max output 1 2 kVA Fuse pr...

Страница 13: ...ossible models and subclasses Model A For processing fine materials Model B For processing medium materials Model B C For processing medium to medium heavy materials Additional equipment Subclass 725...

Страница 14: ...ious 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 special...

Страница 15: ...in the customer s premises or to the individual locations of use Always ensure that the machine is only transported upright 5 03 Disposal of the packaging The packaging of these machines consists of p...

Страница 16: ...s 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 Servic...

Страница 17: ...machine on off by turning On Off switch 1 Fig 7 02 7 02 Keys on the machine head Different functions are triggered by pressing the different keys Key 1 reverse sewing Key 2 sews one stitch with half s...

Страница 18: ...ewing Fig 7 03 0 1 2 3 7 04 Knee switch knee lever 2 Fig 7 05 Fig 7 04 By activating the knee switch 1 the end of the seam section can be signalized during programmed sewing The roller presser is rais...

Страница 19: ...l it engages Switching off the edge trimmer The edge trimmer is switched off and the knife is swung to the rear by pressing lever 1 Switching on the edge guide The edge guide is brought to starting po...

Страница 20: ...ition by turning lever 1 The knife is put out of operation by pressing lever 2 down or pressing key 3 The edge guide returns to starting position when lever 4 is pressed The edge guide is put out of o...

Страница 21: ...umber of seam section stitch length etc Text field The text field is in the middle section of the screen in which messages are displayed in 2 lines Stylized seam sections can also be shown here with i...

Страница 22: ...r returning to superordinate menu functions for quitting the error message screen Clear key for returning the input value to 0 for quitting the error message screen Enter key for confirming an input v...

Страница 23: ...r even 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 loca...

Страница 24: ...the V belt with belt take up hanger 2 Tighten nuts 1 Fig 8 03 1 2 cm 2 Fig 8 02 8 01 02 Fitting the tilt lock Screw on tilt lock parts 1 and 2 provided in the accessories using screws 3 and 4 Do not...

Страница 25: ...ighten screws 2 1 2 2 Fig 8 04 1 2 3 4 4 6 6 7 7 5 4 8 01 04 Mounting the upper V belt guard Screw position stop 1 onto the right half of V belt guard 2 Attach both halves 2 and 3 of the belt guard wi...

Страница 26: ...y Plug the synchronizer plug into the electrical socket of the control box Adjust the synchronizer see chapter 13 04 01 Adjusting the synchronizer Fig 8 06 2 1 8 01 07 Mounting the spool holder Mount...

Страница 27: ...achine thoroughly and oil it fill with oil see chapter 12 Care and maintenance Have specialists ensure that the machine s motor can be operated with the available electricity supply and that it is con...

Страница 28: ...m the mains or switching off the On Off switch 9 01 Inserting the needle Turn the machine off Use only system 134 needles Raise roller presser 1 Swing the eye guard upwards Pull roller presser 1 downw...

Страница 29: ...1 a few times Switch on the bobbin winder by pressing the bobbin winder spindle 2 and lever 3 at the same time The bobbin fills up while you are sewing The tension of the thread on bobbin 1 can be adj...

Страница 30: ...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 thread through the slot under spring 2 Pass the th...

Страница 31: ...ding the needle thread Adjusting the needle thread tension 1 Fig 9 05 2 Turn the machine off Swing eye guard 1 upwards Thread the machine as shown in Fig 9 05 Adjust the needle thread tension by turni...

Страница 32: ...esired stitch lengths The value inputted will also be assumed on by the feed wheel and the roller presser If the values for the feed wheel and the roller presser vary the feed wheel and the roller pre...

Страница 33: ...with number key 0 Select the function SWITCH FUNCTIONS with number key 1 Select the function LANGUAGES with number key 3 Select the desired language with the number keys 1 D 2 GB 3 F 4 I 5 E 6 P The...

Страница 34: ...thread is cut when the pedal is pressed backwards Needle position When this function is active the machine positions the needle at its top position when stopping When this function is deactivated the...

Страница 35: ...ctions which you can switch between with the knee switch They are designed as rotary programs and are completed by activating the pedal see chapter 10 04 Decorative seams Turn the machine on 1 2 3 4 5...

Страница 36: ...When this function is active the roller presser is raised when the machine is stopped Roller presser down after trimming When this function is active the roller presser is lowered after the trimming p...

Страница 37: ...ns Explanation of the symbols Program interruption This function interrupts the sewing of the seam program see chapter 10 05 Program interruption Needle up By activating this function the machine runs...

Страница 38: ...orative seams in chapter 11 14 02 Example for programming a decorative seam 10 05 Program interruption If the sewing of a program has to be interrupted e g in the case of a thread breakage the functio...

Страница 39: ...2 3 4 5 6 7 9 0 Enter 8 Esc Clear Fig 10 06 The error must be corrected before the machine can be operated To correct errors By pressing the Enter key you skip back to the incorrect entry Make the co...

Страница 40: ...Program number The number of the selected seam program appears behind this symbol Number of seam sections The total number of seam sections contained in the current seam program is displayed behind t...

Страница 41: ...Clear Fig 11 02 Current seam section The number of the current seam section is shown behind the symbol e g 1 Single start bartack Double start bartack Seam Single end bartack Double end bartack Place...

Страница 42: ...8 Esc Clear Fig 11 03 Explanation of the symbols in the display Programming This function opens a direct menu for programming seams The program is inputted using the control panel Teach In This functi...

Страница 43: ...resserdownaftertrimming bartack suppression start bartack end bartack stitch length program interruption switch to manual SEWING needle up program selection needle position rollerpresserupafterstop th...

Страница 44: ...TCHES FORWARDS 4 STITCHES REVERSE 2 SPEED 2 SPEED 1 START BARTACK PEDAL DEPENDENT 1 START BARTACK PEDAL DEPENDENT start bartack 4 STITCHES REVERSE double end bartack 2 SPEED 3 STITCHES FORWARDS 4 STIT...

Страница 45: ...BARTACK PEDAL DEPENDENT 4 STITCHES REVERSE 4 STITCHES REVERSE 2 SPEED 3 STITCHES FORWARDS 2 SPEED 3 STITCHES FORWARDS 4 STITCHES REVERSE reverse sewing speed double start bartack 2 SPEED 1 START BARTA...

Страница 46: ...ELETE ONE PROGRAM MEMORY 11 08 Summary of the functions in the input menu Input menu 1 START BARTACK PEDAL DEPENDENT 2 HORN 3 LANGUAGES 1 SWITCH FUNCTIONS 1 START BARTACK FORWARDS 2 BARTACK S 2 START...

Страница 47: ...TINUOUS FEED 2 CONTINUOUS FEED 2 CONTINUOUS FEED 1 ONE FEED 2 CONTINUOUS FEED 5 SERVICE 6 CONTROL PANEL BRIGHTNESS 2 POS UP 1 POS DOWN 3 CUTTING MAGNET POSITION 4 TENSION RELEASE POSITION 5 TURN BACK...

Страница 48: ...function SEWING MOTOR with number key 2 The following display appears 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear Fig 11 07 Select the function ADJUST SYNCHRONIZER with number key 1 The display for adjusting...

Страница 49: ...s The fixed programs can be altered via the functions stitch length and seam section selection 11 11 Creating seam programs 11 11 01 Altering fixed programs Select INPUT mode The initial INPUT display...

Страница 50: ...LE 0 99 9 9 3 to 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear Enter Fig 11 14 A comment of up to 14 characters can be entered The characters in the display can be scrolled through with the arrow keys Select a...

Страница 51: ...ed the seam is sewn backwards in the current seam section Bartack menu This function opens a direct menu for inputting bartack functions see chapter 11 12 Bartack menu Placed stitch This function open...

Страница 52: ...try with the Enter key The menu for inputting a comment appears Fig 11 16 Fig 11 17 PROGRAM NUMBER 3 PERMISSIBLE 0 99 9 9 3 to 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear Enter Fig 11 18 A comment of up to 14...

Страница 53: ...e machine switches automatically to manual SEWING Sew the seam manually The end of the seam section can be determined after the first standstill of the machine 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear Fig...

Страница 54: ...ressing this key once turns the function on or off A double click of this key opens the menu for inputting the bartack parameters Single end bartack Pressing this key once turns the function on or off...

Страница 55: ...PLACED STITCH OFF 1 ON 0 OFF Select the placed stitch function Enter 1 2 Select placed stitch function to set the position of the placed stitch Fig 11 24 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear Set the r...

Страница 56: ...e key once I e the seam section end is determined by the number of stitches Pressing the key once again opens the menu for inputting the number of stitches Pressing the key a third time switches the f...

Страница 57: ...isplay representations are only accurate if no program has been inputted previously 11 15 01 Example of seam programming The seam to be programmed is to contain 5 seam sections and to be saved with th...

Страница 58: ...ig 11 28 appears again Select letter A Complete the comment in this way Confirm the entry with the Enter key 4 1 Enter Fig 11 30 Program the first seam section This seam section is to contain a double...

Страница 59: ...ISSIBLE 1 15 Enter the number of stitches 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear Fig 11 34 STITCHES FORWARDS 2 STITCHES PERMISSIBLE 1 15 2 Confirm this input with the Enter key Enter 1 2 3 4 5 6 7 9 0 En...

Страница 60: ...This is entered for both stitch lengths If varying values are to be entered the roller presser and the feed wheel must be selected individually using the arrow keys Observe the cursor Enter the desire...

Страница 61: ...ERMISSIBLE 1 999 Enter the desired number of stitches Confirm this entry with the Enter key 5 Enter Fig 11 40 Close the seam section end menu with the Enter key Switch off the program end function num...

Страница 62: ...he seam section end function number key 9 Fig 11 44 Select the menu for inputting the number of stitches number key 1 Display Fig 11 45 appears Enter 0 5 2 NO OF STITCHES 0 Input the value for the sti...

Страница 63: ...tion Fig 11 47 Program the third seam section so that the stitch length is 5 0 mm a stitch count is carried out 1 stitch and the seam is sewn in reverse Select the seam section end function number key...

Страница 64: ...to the inputting of the fourth seam section Program the fourth seam section In this seam section the stitch length should be 5 0 mm and a stitch count should be carried out 1 stitch Select the seam s...

Страница 65: ...2 3 4 5 6 7 9 0 Enter 8 Esc Clear Fig 11 52 2 SPEED 1500 3 STITCHES FORWARDS 03 4 STITCHES REVERSE 03 Enter Enter 1 3 1 Enter 4 Enter 5 NO OF STITCHES 0 Select the STITCHES FORWARDS function Enter the...

Страница 66: ...the stitch length Confirm this entry by pressing the Enter key Select the seam section end function number key 9 If the stitch counter function is not active switch it on number key 1 Activate the sti...

Страница 67: ...ter 11 15 01 Example for programming a seam Confirm with the Enter key Fig 11 56 Program the first seam section This seam section should have stitch counting 1 stitch and a stitch length of 2 mm Selec...

Страница 68: ...9 Switch off the program end function number key 0 Confirm the first seam section by pressing the Enter key Fig 11 60 Program the second seam section This seam section should have stitch counting 1 st...

Страница 69: ...by pressing the Enter key Program the third seam section This seam section should have stitch counting 1 stitch and a stitch length of 5 mm Select the seam section end function number key 9 Select the...

Страница 70: ...firm the seam section end by pressing the Enter key Select the stitch length function number key 4 Enter the stitch length Confirm with the Enter key Select the program end function number key 0 Confi...

Страница 71: ...on seam section end and a stitch length of 2 8 mm Select the stitch length function number key 1 Enter the stitch length Confirm with the Enter key Fig 11 62 Sew the first seam section manually The nu...

Страница 72: ...tch length Confirm with the Enter key Sew the second seam section manually The number of stitches is counted and displayed in the status line After stopping the machine skips automatically to inputtin...

Страница 73: ...or Bring the pedal backwards into the 2nd position The roller presser up after stop function is activated automatically Switch on the thread trimmer function number key 4 Select the program end funct...

Страница 74: ...peration If the machine is operated more than this shorter intervals are recommended 12 01 Cleaning Clean the hook and hook compartment daily more often if in continuous operation Turn the machine off...

Страница 75: ...ew drops of oil into the hook race see arrow in Fig 12 02 Fig 12 02 1 12 03 Filling the oil reservoir Check the oil level before every use Fill oil through hole 1 into the reservoir as required There...

Страница 76: ...the rear and stand the machine head up using both hands Use both hands to return the machine to an upright position Danger of crushing between machine head and table top We recommend PFAFF hard soap g...

Страница 77: ...s at 40 C and a density of 0 865 g cm3 at 15 C We recommend PFAFF sewing machine oil Best Nr 280 1 120 144 Fig 12 07 1 12 06 Cleaning the air filter on the control box Turn the machine off The filter...

Страница 78: ...ightened again when the adjustment is complete 13 02 Tools gauges and other accessories for adjusting 1 set of screwdrivers with blade widths from 2 to 10 mm 1 set of wrenches with jaw widths from 7 t...

Страница 79: ...cending in sewing direction is at the top edge of the needle plate the reference point must be at 0 Fig 13 01 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear REFERENZ 0 180 180 90 90 Switch the machine on and sew...

Страница 80: ...direction until the point of the descending needle is at the top edge of the needle plate With the needle in this position turn synchronizer 2 until the cursor in the display is at 0 Tighten screws 1...

Страница 81: ...0 Select SERVICE Select CONFIGURATION Press number keys to set the configuration according to requirement 5 7 Number Machine configuration 0 1471E1 1474E1 1491E1 and 1493E1 1 1471E1 1474E1 1491E1 and...

Страница 82: ...th Turn the handwheel in its direction of rotation until the needle is in the needle hole Check the requirement by turning the single start bartack on and back off again For the adjustment loosen scre...

Страница 83: ...Requirement The needle must penetrate the middle of the needle hole as viewed in the direction of sewing 3 3 2 4 1 Fig 13 04 Move the needle bar frame 1 screws 2 and 4 and nut 3 in accordance with the...

Страница 84: ...wing Requirement The needle must penetrate the middle of the needle hole as viewed across the direction of sewing Fig 13 05 1 2 2 4 4 4 4 3 Move the feed wheel post 1 screws 2 3 and 4 in accordance wi...

Страница 85: ...rom the inner edge of the mounting hole when the needle is at both the front and rear points of reversal 1 4 Fig 13 03 4 2 3 Turn the machine on and set the stitch length at 5 Check the requirement by...

Страница 86: ...he needle height Requirement With the needle bar at TDC there must be approx 22 mm between the point of the needle and the needle plate Fig 13 06 2 1 22 mm Move the needle bar 1 screw 2 in accordance...

Страница 87: ...k point and 3 the needle guard 9 must lightly touch the needle Only on the PFAFF 1491E1 Turn the machine on Set the stitch length to 0 8 and sew four to five stitches without trimming Turn the machine...

Страница 88: ...he adjustment pin out of hole 5 Observing the bevel gear play tighten screws 2 Bring retaining collar 6 to rest against bevel gear 7 and tighten screws 1 and 3 Tighten screws 8 on both sides of the po...

Страница 89: ...Bobbin case opener height Requirement The top edges of the bobbin case opener 1 and the bobbin case base 3 must be at the same height Move the bobbin case base 1 screws 2 in accordance with the requi...

Страница 90: ...the rear of the post in accordance with the requirement This setting can vary according to the thickness of the thread Fig 13 09 1 0 3 0 5 mm 13 04 10 Bobbin case opener stroke Requirement When the b...

Страница 91: ...wheel must protrude above the needle plate by the height of the teeth approx 0 8 mm 1 2 3 Swing out the roller presser Loosen screw 1 Turn the eccentric screw 3 which is accessible through hole 2 in...

Страница 92: ...and feed wheel Requirement With lever 1 raised the clearance between the roller presser and the feed wheel must be 7 mm Raise lever 1 Move the presser foot bar screws 2 in accordance with the requirem...

Страница 93: ...ossible to the needle when viewed across the direction of sewing 2 3 4 5 Raise the roller presser 1 Always observe requirement 1 when carrying out the following adjustments Move the roller presser 1 s...

Страница 94: ...presser must drop automatically Move solenoid 1 screws 2 in accordance with the requirement Turn the machine on and check the requirement Turn the machine off Depending on the thickness of the materia...

Страница 95: ...oller presser must drop automatically when the knee lever is pressed as far as it will go 3 Bar 5 of the knee lever must be at an angle of approx 75 to the bedplate 4 6 2 1 3 5 7 5 Turn screw 1 nut 2...

Страница 96: ...ller presser using lever 1 Adjust screw 2 nut 3 in accordance with the requirement Raise the roller presser using the automatic presser foot lifter or the knee lever Move the drive dog 4 screw 5 in ac...

Страница 97: ...raise slightly from the workpiece rack 1 4 Fig 13 16 _ 2 7 m m 7 1 6 5 3 Move workpiece rack 1 screw 2 in accordance with requirement 1 Turn screw 3 screw 4 to adjust the strength of the spring Move...

Страница 98: ...e must engage reliably With the 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 e...

Страница 99: ...rial 1 Fig 13 18 Adjust the roller presser pressure with screw 1 in accordance with the requirement Screw 1 is underneath a cover When the roller presser pressure is low the lowering speed of the roll...

Страница 100: ...usting the edge trimmer 725 04 13 05 01 Replacing the knife Turn the machine off Loosen screw 2 and remove knife 1 Insert a new knife 1 and slide it flush against the needle plate insert 3 Tighten scr...

Страница 101: ...13 20 Turn the machine off and swing in the edge trimmer Loosen screw 1 Position the knife in the middle of its setting range by turning eccentric 2 Move knife carrier 3 in accordance with the require...

Страница 102: ...3 2 Fig 13 21 13 05 03 Knife stroke Requirement The knife stroke can be set within a range of 2 0 to 3 5 mm for the ideal adaptation to all materials used Move crank 1 nut 2 in slot 3 in accordance wi...

Страница 103: ...the knife carrier 1 screw 2 in accordance with the requirement 13 05 04 Knife motion Requirement With the edge trimmer swung in and the needle in the needle hole half of the motion of the knife 3 must...

Страница 104: ...ent With the edge trimmer swung in the knife 1 must lightly touch the needle plate insert Make sure these is no whistling sound during the cutting process Turn the machine off and swing in the edge tr...

Страница 105: ...Turn the machine off Loosen screw 2 and remove knife 1 Insert a new knife 1 and slide it flush to the needle plate insert Tighten screw 2 Check chapter 13 06 02 Knife position with regard to needle p...

Страница 106: ...ne off and swing in the edge trimmer Loosen screw 1 and push the knife 2 back a little Turn milled screw 3 in such a way that its top edge is flush with the top edge of the cylindrical guide 4 Loosen...

Страница 107: ...and lightly touch the needle plate insert Fig 13 26 1 2 3 Turn the machine off and swing in the edge trimmer Position the knife 1 vertically by turning the milled screw Bring the knife 2 lightly to re...

Страница 108: ...ng in the middle of the knife bracket must be at the same height as the top edge of the needle plate Turn the machine off and swing in the edge trimmer Turn milled screw 1 in accordance with the requi...

Страница 109: ...nd the needle in the needle hole half of the motion of the knife 3 must be in front of and half behind the needle when the motor shaft is turned by hand 2 1 Fig 13 28 Turn the machine off and swing in...

Страница 110: ...stroke Requirement The knife stroke can be set within a range of 1 0 to 3 5 mm for the ideal adaptation to all materials used Turn eccentric 1 screws 2 on the rear machine head so that the marking of...

Страница 111: ...and unscrew post cover plate 2 screws 3 Loosen screw 4 Swing out bobbin case base 5 by hand and hold it in this position Remove bolt 6 Open the scissor drive bar and remove scissor 7 Allow bobbin cas...

Страница 112: ...ghten one of the screws 1 slightly so that control cam 2 can still be turned Loosen screw 4 Bring the needle bar to BDC and position the straight section of the cam track under the roller of tripping...

Страница 113: ...t With the tripping lever 3 in resting position there must be a clearance of 0 3 mm between its roller and the circumference of the control cam 4 Fig 13 32 Bring the needle bar to BDC Move solenoid ca...

Страница 114: ...nd Push solenoid housing 1 screw 2 up as far as possible and then move it in accordance with the requirement Lift the tripping lever out of the control cam by hand 13 07 04 Engaging solenoid Requireme...

Страница 115: ...ment 13 38 13 07 05 Scissor drive lever Requirement The top edge of screw 1 must protrude approx 9 mm from the recess on the housing 2 1 9 mm Fig 13 34 Turn screw 1 nut 2 in accordance with the requir...

Страница 116: ...tighten the remaining screws 1 and 2 For adjustment without the gauge see chapter 13 07 07 Radial position of the control cam in relation to the bobbin opener and chapter 13 07 09 Control cam in relat...

Страница 117: ...and The roller of the tripping lever 1 must engage easily and unobstructedly in the cam track Bring the needle bar to 4 mm after BDC use adjustment gauge and C clamp Loosen screws 2 Turn control cam 3...

Страница 118: ...ever 4 in accordance with requirement 2 In this position and observing requirement 1 tighten screw 1 Screw 2 remains loosened for the following adjustment 13 07 08 Scissor tripping lever in relation t...

Страница 119: ...auge and C clamp Turn control cam 2 until the trip is touching the roller of the tripping lever 3 Taking care that control cam 2 is 9 mm from retractor cam 4 tighten one of the screws 1 Remove the C c...

Страница 120: ...and control cam 2 must be 0 2 mm Loosen screw 1 Bring the needle bar to BDC and activate the engaging lever by hand Position the point of the trip of control cam 2 exactly at the middle of the roller...

Страница 121: ...een trip 3 and guide plate 5 2 When the rock shaft has sprung back to its starting position the maximum clearance between trip 3 and guide plate 5 must be 0 3 mm Position the point of the trip of cont...

Страница 122: ...wing out drive bar 1 Swing out bobbin opener 2 by hand and hold it Insert the scissor with its bearing pin 3 into the bearing bushing of the feed wheel post Swing in drive bar 1 and insert pin 4 in ac...

Страница 123: ...y touch the needle plate and the eccentric sleeve 2 Fig 13 42 2 1 3 4 Loosen screw 1 enough so that eccentric sleeve 2 can still be turned Turn eccentric sleeve 2 until the scissor is flush with the n...

Страница 124: ...screw 4 and or the eccentric pin 5 screw 6 in accordance with the requirement Check the requirement from chapter 13 07 13 Eccentric sleeve Bring the trimming device to its starting position using the...

Страница 125: ...ing lever by hand and close the post cover while ensuring that pressure disk 1 is stuck into the post cap Bring the needle bar to TDC by turning the handwheel and open the post cover In this position...

Страница 126: ...ead trapper as required after loosening retaining screw 4 As the process continues both the bobbin thread and the part of the thread loop closest to the scissor which is held by the catching lug must...

Страница 127: ...tivated the tension disks 3 must be at least 0 5 mm apart Fig 13 45 1 2 3 Activate solenoid 1 Move solenoid 1 screws 2 in accordance with the requirement The timing of the tension release can be adjus...

Страница 128: ...ed an optimum sewing result cannot be guaranteed Adjusting the parameters Select the parameter to be altered with the corresponding number key Change the position by turning the handwheel Confirm the...

Страница 129: ...he Enter key 13 09 03 Adjusting speeds Turn the machine on Select INPUT mode Select the input menu function number key 0 Select the SPEED function 1 2 3 4 5 6 7 9 0 Enter 8 Esc Clear Fig 13 47 1 START...

Страница 130: ...sellschaft Postfach 3020 D 67653 Kaiserslautern K nigstr 154 D 67655 Kaiserslautern Telefon 0631 200 0 Telefax 0631 172 02 Telex 45753 PFAFF D Gedruckt in der BRD Printed in Germany Imprim en R F A Im...

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