Beisler 1281/5 Operating Instructions Manual Download Page 50

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Maintenance

9.1

Cleaning and checking

Caution: Risk of injury !

Switch the main switch off.
The maintenance of the engineered sewing station must only be
carried out with the machine switched off.

Maintenance work has to be done after the intervals indicated in the
tables at the latest (see column “Operating hours”).

The processing of fluffy material may require shorter maintenance
intervals.

A clean sewing station protects from disturbances.

6 5 4 3

Summary of Contents for 1281/5

Page 1: ...nstructions Installation instructions Service instructions Frohnradstraße 10 D 63768 Hösbach Telefon Service 49 0 60 21 50 19 40 Telefax 49 0 60 21 54 00 61 E mail Vertrieb beisler gmbh de 1 2 3 Ausgabe Edition 06 2005 Printed in Federal Republic of Germany Teile Nr Part No ...

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Page 3: ... fabric waste Service maintenance inspection repair and or Transport The user also has to assure that only authorized personnel work on the machine The user is obliged to check the machine at least once per shift for apparent damages and to immediatly report any changes including the performance in service which impair the safety The user company must ensure that the machine is only operated in pe...

Page 4: ...ion and special maintenance work must only be carried out by technicians or persons with appropriate training 7 For service or repair work on pneumatic systems disconnect the machine from the compressed air supply system max 7 10 bar Before disconnecting reduce the pressure of the maintenance unit Exceptions to this are only adjustments and functions checks made by appropriately trained technician...

Page 5: ... 2 Mouse with guide rail and return mechanism 11 5 3 Feeding the workpieces and starting the sewing process 13 5 4 Adjusting the blowing air for the nozzles in the table top 14 5 5 Setting the return speed of the mouse 15 5 6 Adjusting the fullness of needle and bottom feed 16 5 7 Setting the pressure of the puller 17 5 8 Stacker 18 6 Operation of the control 6 1 Operator terminal 19 6 2 User inte...

Page 6: ...the control 38 8 4 USB functions 39 8 4 1 Storing data on the USB stick 41 8 4 2 Loading data from the USB stick 41 8 4 3 Data comparison 42 8 4 4 Deleting data from the USB stick 43 8 4 5 Loading software version from the USB stick 44 8 5 Removing the USB stick 45 9 Maintenance 9 1 Cleaning and checking 46 9 2 Oil lubrication 48 ...

Page 7: ...ines assume that at least semi skilled operating personnel will be working on our products so that all usual operations and where applicable their risks are presumed to be known 1 2 Brief description The Beisler 1281 5 is a sewing unit for closing long seams as e g trousers side seams and crotch seams side seams without vent in upper fabric and lining in skirt parts According to the machine head i...

Page 8: ... narrow sewing foot for trouble free guiding sewing of the pocket openings Automatic contour modulation by programmable puller Height adjustable stand infinitely variable from 850 mm to 1200 mm Automatic fullness distribution by step motor controlled needle and bottom feed optional Within a seam program the fullness of the needle and bottom feed can be programmed at the control panel via 3 freely ...

Page 9: ...specific emission value according to DIN 45635 48 B 1 Stitch length 2 6 mm Seam length 1000 mm Speed 6500 r min Material G1 DIN 23328 2 layers Measuring point according to DIN 4895 Part 1 X 550 mm Y 350 mm Z 600 mm x axis at right angles to the feeding direction y axis main feeding direction z axis height 2 Optional equipment See annex 5 1 ...

Page 10: ...stop 3 1 Switching on Switch on main switch 1 turn in clockwise direction The control loads the machine program The basic display appears in the display of the control panel 3 2 Switching off Switch off main switch 1 turn counter clockwise 1 ...

Page 11: ...ps out immediately all movements of the sewing unit stop immediately 3 4 Restart after program stop Caution Risk of injury Switch the main switch off Clear the fault only with the sewing unit switched off Only restart the sewing unit after the fault has been cleared Switch on main switch 1 turn in clockwise direction Unlock the program stop switch The control loads the machine program The basic di...

Page 12: ...eading of needle thread and hook thread etc is described in the attached separate Pegasus operating instructions The instruction manual is included in the accessories of the sewing unit Attention Risk of injury Please read the operating instructions of the sewing machine head carefully and observe all notes on safety 8 ...

Page 13: ...isted 2 or 3 ply The label no 120 on the thread reel of a core thread corresponds e g to the thread size Nm 80 2 see table values in brackets In case of monofilament threads you can use needle threads and hook threads of the same thickness The best results are achieved with soft and elastic threads software of the thread thickness 130 Denier Recommended thread thicknesses Needle size Core thread C...

Page 14: ...fabric sliding sheet Removing the fabric sliding sheet Carefully remove the edge guide 3 from the magnets in upward direction Swivel the fabric sliding sheet aside The lower section of the sewing machine head is accessible now Putting on the fabric sliding sheet Push the fabric sliding sheet into the gap of the table top and insert in downward direction 10 2 1 2 3 ...

Page 15: ...on table and worktable The sewing unit is equipped with two preparation tables 1 and 2 The skirt parts or trousers parts are positioned on them On the worktable 4 the trousers parts or skirt parts are fed and clamped with the mouse 3 11 1 2 1 4 3 ...

Page 16: ...ce Caution Risk of injury Do not reach into the open mouse Inserting the workpiece Place the workpiece between mouse plate 2 and clamping arm 1 Close the mouse During the sewing process the mouse is drawn along the guide rail 3 until the opening of the clamping arm 1 is released by a limit switch Then the mouse is pulled back by the return mechanism 4 until the adjustable stop 5 is touched 12 3 2 ...

Page 17: ...ce 8 on the worktable opposite to the sewing direction Loosen toggle screws 9 Place the guide rail 3 close to the contour of the workpiece Tighten toggle screws 9 again Opening the mouse manually Actuate lever 10 The mouse opens 13 1 9 8 9 3 10 ...

Page 18: ...eam program at the control panel 2 Place the workpieces 2 on the worktable and align them 3 Position the workpieces in the mouse 1 4 Close the mouse 5 Push both workpieces under the sewing foot 6 and directly in front of the needle 6 Step the foot pedal forward and sew over the pocket and the hip bow manually 7 Separate the trousers or skirt parts with three fingers Hold one finger under one betwe...

Page 19: ...ng nozzles 1 in the table top support the precise stacking of the workpieces Set the intensity of the air blast by dial 2 at the control panel Turn the dial to the right increase the intensity of air blast Turn the dial to the left reduce the intensity of air blast 1 15 2 1 ...

Page 20: ...ylinder 2 presses the mouse mechanics 1 down Thus the mouse is pulled back to the feeding position The return speed can be set Set the speed by dial 3 at the control panel Turn dial to the right higher speed Turn dial to the left less speed 16 3 2 1 ...

Page 21: ...an be adapted to the sewing conditions with the dials 1 and 2 Via the control parameters you can determine which feed is changed with the dial 2 Adjusting the puller feed Set the dial 1 correspondingly Setting range 0 to 6 right 0 to 6 left Adjusting the needle and bottom feed Make the corresponding settings in the control in the menu Seam specific parameters Set the dial 2 correspondingly Setting...

Page 22: ...ing the pressure of the puller The pressure of the puller rollers 1 can be influenced via turning knob 2 Turn knob 2 to the right The pressure is increased Turn knob 2 to the left The pressure is reduced 18 2 1 ...

Page 23: ...a control pulse The pneumatic functions can be taken from the pneumatic wiring diagram Caution Risk of injury Do not reach into the working area of the throw over stacker during the stacking operation Manual stacking Press key 3 at the control panel A stacking process is carried out Removing stacked parts Actuate foot switch 1 and keep it actuated Remove the stacked parts 19 1 3 2 1 ...

Page 24: ...am program 1 to program 99 Sewing stop within the seam Move the contour guide back to the basic position Manual stacking Menu selection Store data Needle feed seam lines and quantities adjustable Differential feed seam lines and quantities adjustable Adjust the ejector roller Adjust the puller Set the machine parameters Switch the potentiometer on off in the individual lines optional equipment Adj...

Page 25: ...Key Function Program the sequence S Creation of programs Prg Setting the global parameters Enter key Select parameter scroll Alter parameter values 21 1 ...

Page 26: ...selection 7 F1 F2 sewing stop Mouse back Manual within the to basic stacking seam position Key 1 Set needle feed via potentiometer Key 2 Set bottom feed via potentiometer Key 3 Set puller feed via potentiometer Key 4 Adjust the puller Key 5 Set machine parameters Key 6 Switch the potentiometer on off optional equipment Key 7 Set seam line 22 ...

Page 27: ...am is loaded Calling up the parameter menu Switch the main switch on The control initializes The previously used program appears in the display Press key P The selection menu is called up Press one of the keys 1 2 3 4 5 6 7 8 9 0 The display changes over to the corresponding function Mouse back When the seam program is selected Press key F1 The mouse returns to its basic position Manual stacking W...

Page 28: ...seam of hind trousers on top lining down 6 Crotch seam of hind trousers down lining on top 5 Side seam of hind trousers down lining on top 7 Side seam of hind trousers on top lining down A seam program in the display of the control panel Program No Seam No 24 4 6 5 ...

Page 29: ...ewing 4 7 Close side seam Hind trousers on top Manual sewing and guiding Lining down in the hip bow area afterwards automatical sewing 5 5 Close side seam Hind trousers down Close side seam manual Lining on top sewing and guiding afterwards automatical sewing 6 7 Close side seam 5 Close side seam Alternate sewing 7 5 Close side seam Hind trousers down Automatical sewing with Lining on top contour ...

Page 30: ...eter value is stored Press key P You return to the selection menu Press key P You return to the sewing program Fullness distribution with needle and bottom feed According to the equipment of the sewing station the parameters for the needle and bottom feed are occupied differently The sketches below show the individual lines With cylinder Line 1 Line 2 Line 3 Basic seam Stitches Stitches Stitches W...

Page 31: ...ange 0 1 Parameter 05 Line 3 Number of stitches how long the needle feed is engaged Setting range 0 2000 Parameter 06 Fullness line 3 ON OFF Setting range 0 1 Needle feed with step motor Via this parameter the needle feed with step motor drive is set Parameter 01 Line 1 Number of stitches Setting range 0 2000 Parameter 02 Fullness in line 1 Setting range 0 2000 Parameter 03 Line 2 Number of stitch...

Page 32: ...ameter 11 Line 3 Number of stitches how long the differential bottom feed is engaged Setting range 0 2000 Parameter 12 Fullness line 2 ON OFF Setting range 0 1 Bottom feed with step motor Via this parameter the differential feed with step motor drive is set Parameter 07 Line 1 Number of stitches Setting range 0 2000 Parameter 08 Fullness in line 1 Setting range 0 2000 Parameter 09 Line 2 Number of...

Page 33: ...e ejector roller stops Setting range 0 30 stitches Parameter 23 Time how long the ejector roller is active Setting range 0 1000 Parameter 47 Time of the stacker movement Input 0 2000 Parameter 53 Time when the ejector roller lifts Setting range 0 2000 Setting the puller Via this parameter the puller is set Parameter 26 Number of stitches when the puller lowers Setting range 0 400 stitches Paramete...

Page 34: ...es Parameter 35 Number of stitches until the contour guide retracts laterally Setting range 0 400 stitches Parameter 36 Number of stitches until the feeding unit lowers Setting range 0 400 Parameter 37 Start mode contour modulation 1 front left 2 rear right 3 rear left Setting range Modes 1 2 3 Parameter 60 Soft start speed Setting range 500 5000 Parameter 61 Switch the soft start on or off Settin...

Page 35: ...er Off On Setting range 0 1 Parameter 25 Line 2 Needle feed potentiometer Off On Setting range 0 1 Parameter 28 Line 3 Needle feed potentiometer Off On Setting range 0 1 Parameter 96 Line 1 Differential feed potentiometer Off On Setting range 0 1 Parameter 97 Line 2 Differential feed potentiometer Off On Setting range 0 1 Parameter 99 Line 3 Differential feed potentiometer Off On Setting range 0 1...

Page 36: ...f the line Off On Setting range 0 1 Parameter 86 Length of line 2 Setting range 0 Parameter 87 Line 2 Reduced speed Off On Setting range 0 1 Parameter 88 Line 2 Reduced speed Setting range 500 6500 Parameter 89 Line 2 Stop at the end of the line Off On Setting range 0 1 Parameter 91 Length of line 3 Setting range 0 Parameter 92 Line 3 Reduced speed Off On Setting range 0 1 Parameter 93 Line 3 Redu...

Page 37: ... 400 Parameter 46 Duration of the stacker impulse Input 0 2000 Parameter 47 Time of the stacker movement Input 0 2000 Parameter 48 Speed limitation Input max 6500 Parameter 49 Speed during the warp separation Input 500 5000 Parameter 50 Number of stitches until the thread tension is opened seam end Input 0 50 Parameter 52 Speed ejector roller Input 500 1200 Parameter 54 Duration of impulse mouse b...

Page 38: ...6 4 3 Input Output test Via the input output test the different input and output elements can be checked Input test Press key P Press key 8 Actuate the corresponding input Example Cover the light barrier Press key Program stop The program is quitted Input elements Switch Designation 01 Light barrier 01 start 05 Switch Program stop 06 Mouse back 11 Potentiometer needle feed and differential bottom ...

Page 39: ... Designation Y01 Sewing foot up down Y02 Thread tension lift open Y03 Contour guide up down Y04 Stacker off on Y05 Ejector roller up down Y06 Feeding unit up down Y07 Contour guide forward backward Y08 Contour guide blowing on Y09 Move contour guide laterally Y10 Differential bottom feed on off Y11 Needle feed on off Y12 Warp separator off on Y13 Table blowing off on Y14 Dirt suction off on Y15 Pu...

Page 40: ...cted Set the parameter value to 0 with key Minus Press key P The new parameter value is stored Press key P You return to the selection menu Creating a seam program Press key P Press key 9 Prg programs Press key F1 twice Select a seam with one of the keys 1 to 9 Press key E The selected seam is taken over Select a further seam with one of the keys 1 to 9 or Press key P The new setting is stored and...

Page 41: ...be set to the value 1 This avoids that the existing programs are deleted inadvertently see chapter 6 4 3 paragraph 1 Select the program to be altered Press key P Press key 9 S sequence Select a free location with the keys Plus or Minus Select a seam number with the keys 1 to 9 You can select further seam numbers or quit the menu Select another free location with the keys Plus or Minus Or Press key...

Page 42: ...ogramming Info U1 FP custom code wrong e g describing a parameter which does not exist Info U2 Wrong system function Info U3 Wrong in out number Info U4 Too many user variables Info U5 Too many system variables Info U6 Not enough storage location for the user program Info U7 Wrong or undefined key in the Vario Info U8 Unknown device address Info U9 Fatal exception error Errors and informations boo...

Page 43: ...ng a new USB stick this has to be formatted correspondingly The file format is the FAT 16 system Format the USB stick with the FAT 16 system via a PC 8 3 Plugging the USB stick in the control Switch the main switch off Plug the USB stick 1 in the lower slot of the Efka control Press key P and keep it pressed Switch the main switch on The message appears for a moment USB DEV DETECT Keep key P press...

Page 44: ...File extension PAY Parameter Function F 514 Securing from the control on the USB stick F 515 Loading from the USB stick in the control F 516 Comparing USB stick and control data F 517 Deleting data from the USB stick 3 Loading a new software version File extension PRG Parameter Function F 523 Load a new software version from the USB stick in the control By means of the FAT 16 file system the contr...

Page 45: ...oring of different parameter data 1st file 0100DATA PAR 2nd file 0101DATA PAR etc The files can individually be renamed by the file manager or explorer on a PC Note On principle the Efka control can read data from the main level of the USB stick only Data from subdirectories cannot be processed 41 1 ...

Page 46: ... on the USB stick Note The file name is allocated automatically 8 4 2 Loading data from the USB stick Enter parameter Example 511 Press key E The cursor flashes Press key F2 The name of the first file stored on the stick appears Example 0100DATA PAR Select the desired file with the keys or Press key E The message appears READ DATA YES E Press key E within 2 seconds The data are read from the USB s...

Page 47: ...le displays DATA OK The data on the stick are identical with the data of the control DATA DIFFERENT The data of the stick and the control are not identical 8 4 4 Deleting data from the USB stick Enter parameter Example 513 Press key E The cursor flashes Press key F2 The name of the first file appears on the stick Example 0100DATA PAR Select the desired file with the keys or Example 0105DATA PAR Pr...

Page 48: ... key E within 2 seconds The data are read from the USB stick Press key P and wait approx 3 seconds until Save Data fades out Press key E twice The cursor flashes Press key F2 The name of the first file stored on the stick appears Example 20_5D_2A PRG Select the desired program file with the keys or Press key E The message appears READ DATA YES E Press key E within 2 seconds The data are read from ...

Page 49: ...8 5 Removing the USB stick Switch the main switch off Pull the USB stick 1 out of the slot of the Efka control 45 1 1 ...

Page 50: ...ewing station must only be carried out with the machine switched off Maintenance work has to be done after the intervals indicated in the tables at the latest see column Operating hours The processing of fluffy material may require shorter maintenance intervals A clean sewing station protects from disturbances 46 2 1 6 5 4 3 ...

Page 51: ...l in the pressure regulator 3 Clean the filter insert 4 Make leak test of the system The water level must not rise up to the filter insert 4 Let the water run out of the water separator under pressure after pressing the drain plug 5 The filter insert 4 separates dirt and condensed water Separate the sewing unit from the compressed air net Push in drain plug 5 The pneumatic system of the sewing uni...

Page 52: ...h lubricating oil DA 10 or an equivalent oil with the following specification Viscosity at 40 C 10 mm s Ignition point 150 C DA 10 can be bought at the sales points of DÜRKOPP ADLER AG under the following parts numbers Container 250 ml 9047 000011 Container 1 litre 9047 000012 Container 2 litres 9047 000013 Container 5 litres 9047 000014 Maintenance work Explanation Operating to be done hours Lubr...

Page 53: ...wing unit 4 3 1 Transport protections 4 3 2 Setting the working height 5 3 3 Mounting the thread reel holder 6 3 4 Mounting the material rests 6 4 Electrical connection 7 4 1 Checking the nominal voltage 7 4 2 Making the mains connection 7 5 Pneumatic connection 8 6 Putting into operation 9 6 1 Sewing test 9 2 ...

Page 54: ...1 7 8 4 2 5 6 3 9 ...

Page 55: ...n container 8 Stacker 9 Feeding unit with puller Compressed air maintenance unit with compressed air pistol 2 General notes ATTENTION The sewing unit must only be installed by trained specialist staff Any work on the electrical equipment of the sewing unit must only be carried out by electricians or correspondingly instructed persons The mains plug must be pulled out The enclosed operating instruc...

Page 56: ...f the sewing unit all transport protections have to be removed Remove the security tapes at the thread reel holder machine table etc Remove the protective foils 1 Remove the security tapes 2 from the stacker Remove the protections from the mouse 4 and the reverse device 3 4 1 2 4 3 ...

Page 57: ...n 850 and 1200 mm measured up to the top edge of the table top Loosen screws 1 at the spars Set the desired working height with the help of suitable auxiliary means In order to avoid jamming lift the table top equally on both sides Retighten screws 1 at the spars 5 2 1 1 ...

Page 58: ...g the material rests The material rests have be demounted for transportation Loosen the screws 2 at the fixtures 3 Insert the bars 1 in the fixtures 3 Retighten the screws 2 at the fixtures 3 Loosen the screws at the fixtures 4 and 5 and align the height of the material rests Retighten the screws at the fixtures 4 and 5 3 2 1 3 2 1 3 1 5 4 3 1 ...

Page 59: ...ans or correspondingly instructed persons The mains plug must be pulled out 4 1 Checking the nominal voltage ATTENTION The nominal voltage indicated on the type plate of the sewing machine control and the mains voltage must correspond Nominal voltage 190 240 V 50 60 Hz 4 2 Making the mains connection Connect the mains plug 7 2 ...

Page 60: ...line Connecting the compressed air maintenance unit Connect the connecting hose 3 to the compressed air net Setting the operating pressure The operating pressure amounts to 6 bar It can be read off at the manometer 1 For setting the operating pressure pull up and turn the rotary handle 2 Turn in clockwise direction increase the pressure Turn counter clockwise reduce the pressure ATTENTION No oil b...

Page 61: ...k of injury Switch the main switch off Thread in needle and hook thread only with the sewing unit switched off Thread in needle and hook thread see operating instructions of the sewing machine head Switch the main switch on The control is initialized Select the sewing program For feeding and operating see part 1 Operating instructions 1281 5 2 9 ...

Page 62: ...Für Ihre Notizen 10 ...

Page 63: ...ting the feed dog 11 2 4 1 Feed dog position 11 2 4 2 Feed dog height 12 2 5 Presser foot 13 2 5 1 Presser foot lift Head EXT 3216 13 2 5 2 Presser foot 14 2 6 Upper and lower knife 15 2 6 1 Changing and adjusting the upper knife 15 2 6 2 Changing and adjusting the lower knife 16 2 7 Thread regulation overlock hook 17 3 Adjusting the sewing unit 3 1 Adjusting the light barrier 18 3 2 Adjusting the...

Page 64: ......

Page 65: ... the service instructions must only be executed by qualified staff or correspondingly instructed persons respectively Caution Risk of injury In case of repair alteration or maintenance work switch the main switch off Carry out adjusting operations and functional tests of the running machine only under observation of all safety measures and with utmost caution The instruction manual on hand describ...

Page 66: ...and the throat plate should amount to 9 7 9 9 mm Move the needle bar in its top dead centre Check whether the distance between needlepoint 4 and throat plate 5 amounts to 9 7 9 9 mm Correction Unscrew screws 1 and remove cover 2 Move the needle bar in its top dead centre Swivel the sewing foot out Loosen screw 3 until the needle bar can just be pushed Shift the needle bar in such a way that the di...

Page 67: ...t by handwheel Check whether the distance between the middle of the needle and the hook tip amounts to 2 3 2 5 mm Correction Unscrew the throat plate the front feed dog as well as the front and hind needle protection Move the hook in its left reverse point by handwheel Loosen screw 1 and take care that the hook abuts on stop 2 Tighten screw 1 again Loosen screw 4 until the hook support 3 can just ...

Page 68: ...ndwheel in direction of rotation until the hook tip is exactly at the level of the middle of the needle Shift the hook support 3 in such a way that the distance between hook support and needle amounts to 0 0 0 05 mm Check the cross line adjustment once again and readjust if necessary Tighten screw 4 6 4 2 3 2 5 mm 6 7 0 0 05 mm 3 ...

Page 69: ...m Screw off thread guides 1 and 3 as well as cover 2 Move the hook in its top dead centre by handwheel Loosen screw 4 until the hook can just be pushed Shift the hook in such a way that the hook shank 1 is flush with the right side of the hook holder Loosen screw 6 a little Turn lever 5 in such a way that there is a distance of 4 3 4 5 mm between hook tip and the middle of the needle Take care tha...

Page 70: ... shift the right hook in such a way that the distance A amounts to 0 5 mm and the distance B to 0 2 mm Tighten screw 4 in this position Check all adjustments once again and readjust if necessary Remount thread guides 1 and 3 as well as cover 2 Adjust thread guides according to chapter thread regulation of the overlock hooks Note The right overlock hook is dependent on the needle size Use hook No 2...

Page 71: ...on Check the distance between hook tip and needle Correction of the mobile version Turn handwheel in direction of rotation until the hook tip points in the needle direction Loosen screw 2 Shift the needle protection 1 in such a way that it abuts on the needle and there is a distance of 0 0 0 05 mm between hook tip and the middle of the needle Tighten screw 1 Correction of the stationary version Tu...

Page 72: ...otection 1 and needle should amount to 0 03 0 05 mm Turn handwheel in direction of rotation until the needle is in its lower dead centre Check the position of the front needle protection Correction Turn handwheel in direction of rotation until the needle is in its lower dead centre Loosen screw 2 Shift the needle protection 1 in such a way that there is a distance of 0 03 0 05 mm between needle pr...

Page 73: ...osition the feed dogs should be horizontal Turn handwheel in direction of rotation until the feed dogs are in their highest position Check the position of the feed dogs Correction Turn handwheel in direction of rotation until the feed dogs are in their highest position Loosen screw 1 Turn screw 2 Feed dogs are horizontal Feed dogs are inclined backwards Feed dogs are inclined forwards Tighten scre...

Page 74: ...t plate the teeth of the differential feed dog 5 0 9 to 1 0 mm and the teeth of the auxiliary feed dog 6 0 6 to 0 7 mm Turn the handwheel in direction of rotation until the feed dogs are in their highest position Check the position of the feed dogs to the throat plate Correction Unscrew throat plate Loosen screws 1 2 and 3 a little Put throat plate on again Set the height of the feed dogs Remove t...

Page 75: ...wheel in direction of rotation until the teeth of the feed dog are underneath the top edge of the throat plate Loosen screw 2 and press ring 1 backwards as far as it will go Tighten screw 2 in this position Take care that ring 1 and lever 3 have no axial backlash Press lever 6 down until there is a distance of approx 4 mm between sewing foot and throat plate Let screw 5 abut on lever 6 in this pos...

Page 76: ... paper strips 5 next to each other under the hind sewing foot sole 4 Adjust the lateral inclination in such a way that the inner paper strip is clamped a little less than the outer one and can be easily pulled out of the clamping of the sewing foot Compensation of the front and hind sewing foot sole Remount the front sewing foot sole 1 Bring the head into position needle down Turn the setting scre...

Page 77: ...plate Correction Turn the handwheel until the needles are in their top reverse point and swivel the sewing foot out Screw off screw 1 Remove the knife holder 2 with the knife Loosen screw 3 and remove the knife Insert a new sharp knife and tighten with screw 3 Insert knife holder 2 and tighten slightly with screw 1 Turn the handwheel until the knife is in its lowest position Shift the knife in suc...

Page 78: ...bric sliding sheet Swivel the sewing foot out Loosen screw 4 Draw the holder of the lower knife 3 to the left as far as it will go and tighten screw 4 slightly Loosen screw 2 and remove the old knife Insert a new sharp knife in guide 1 in such a way that the blade is flush with the top edge of the throat plate Tighten screw 2 Turn the handwheel until the upper knife is in its highest position Loos...

Page 79: ...e thread puller 9 in such a way that there is a distance of approx 32 mm between the middle of the screw and the middle of the eyelet Tighten screw 10 Take care that the thread puller 9 is in vertical position Loosen screws 6 and 8 a little Position the thread pullers 3 and 7 as shown in the illustration Tighten screws 6 and 8 Loosen screw 4 a little Position the thread guide 5 as shown in the ill...

Page 80: ... and 5 Align the light barrier support 3 correspondingly Tighten screws 4 and 5 Adjusting the light barrier intensity Turn the sensitivity potentiometer 5 at the front above the light emitting diode 6 to the left stop minimum sensitivity Turn the potentiometer in clockwise direction until the light emitting diode 6 switches on For a safe light barrier function turn the potentiometer once again in ...

Page 81: ...p only with the sewing unit switched off Standard The material stop 2 must completely abut on the sewing foot 3 so that the material cannot be pushed upward between sewing foot 3 and stop 2 Correction Loosen screws 1 Push the material stop 2 completely against the sewing foot 3 Tighten screws 1 19 3 3 2 1 ...

Page 82: ...our guide 1 should move forward as far as to ensure that both material plies 2 are always guided safely when sewing the contour Correction of the swivelling width Loosen the clamping lever 3 Shift the contour guide 1 correspondingly Tighten the clamping lever 3 Correction of the stamp position Loosen nut 6 Turn the stamp 1 correspondingly Tighten nut 6 20 2 1 1 3 ...

Page 83: ...dead centre the drive belt has to be put on in such a way that the feather key 2 in the motor shaft points to the marking 1 in the motor casing Correction Remove the toothed belt Move the needle bar in the position 7 mm after the bottom dead centre by handwheel Turn the motor shaft in such a way that the feather key 2 in the motor shaft points to the marking 1 in the motor casing Put the toothed b...

Page 84: ...ilter should be cleaned or exchanged every two years Note If the oil pressure gauge 5 does not move downwards when the machine head is running or if the oil is dirty the oil filter has to be cleaned or exchanged Unscrew the drain screw 1 and collect the used oil in a collecting basin Screw drain screw 1 in again Unscrew screws 6 of the cover Screw one of the screws 6 in filter 8 and unscrew the fi...

Page 85: ...mpleteness only Maintenance work to be carried out Operating hours 8 40 160 500 Machine head Remove sewing dust and thread remainders X Check the oil level X First oil change X Subsequent oil change every 2 years Control box Remove sewing dust and thread remainders X Keep the fan grill clean X Suction device Empty the container X Clean the zone under the fabric sliding sheet from sewing dust and t...

Page 86: ...Note 24 ...

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Beisler 1281/5, Operating Instructions Manual

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