EBA 721 LT Operating Instructions
Contents
1. A Danger Only instructed persons are allowed to operate the machine No operation by children A Danger Do not cut any hard material or material liable to chip IZ Danger Paper cutting machines are meant exclusively for the cutting of paper or similar material Paper clips or hard material will damage the cutting blade EBA 2 Installation Transport the machine on the pallet to its destination using a pallet jack 6 strong people are required to lift the machine from the pallet The machine should be installed on a sturdy dry and level floor A Danger The machine must not be located outside Do not use in the vicinity of inflammable liquids or gases Do not use in humid environments Protect mains cable against heat oil and sharp edges 2 1 Preparing for Installation The machine is delivered ready for operation As an option side tables left and right are available These should be mounted so that the surfaces are level with the main table A Danger The machine must not be put into operation without the safety light beam 1 3x Tag emm Miz EBA 721 LT 2 2 Power supply The name plate 23 is located at the rear of the machine Data stated on the name plate Voltage V Frequency Hz Power consumption A m2. Cutting sequence 1 with automatic clamping el H Airtable 9 MA The airtable allows paper to be easily positioned Setting clamping pressure 7 cl A The clamp pressure can be adjusted using the adjustment knob 7 The clamping pressure can be read on the light panel 19 EBA 721 LT 3 1 Operating elements Safety two handed control system Backgauge control Backgauge Key switch Main switch Knocking up block Clamp pressure adjustment Foot pedal Airtable switch Program number Program step LED M Display Memory LED E Display Eject LED S Display Error indication Display Cutting size Backgauge backwards fast Electronical handwheel for fine adjustment Backgauge forwards fast Clamp pressure Switch over cm inch Keypad 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 3 2 Start up Turn the main switch 5 to position Insert the key 4 for the control panel and turn to the right Press key Backgauge 3 will automatically search for the reference point The measurement appears on the display Display in cm or inch Press Display changes from cm and inch cm 4 digit display inch 5 digit display Manual Foot pedal Pre clamping can be performed using the foot pedal 8 e g folded stacks Cutting to a specif
3. PJ oJ al start program 08 proceed to position Insert paper Release cut 1 Release cut 2 PJ Exiting program mode SSES EBA 721 LT Working with programs Press FJ me Enter desired program number J 21 el Press proceeds to position Insert the paper and push it with the knocking up block 6 to the backgauge Release the cut gt After every cut the backgauge advances to the next position The cutting mechanism is described under No 3 Operation Press key J and U to proceed to the desired program With the backgauge proceeds to position With the backgauge stops General The red S light is on specified size not achieved The red S is off gt specified size achieved key is pressed Backgauge stops and the actual size is shown Exiting program mode Press FJ 14 EBA 4 Maintenance VAN Danger Maintenance work may only be performed by trained staff Before replacing the blade or cutting stick switch off the main switch Disconnect from the mains before starting any service work or before removing the cover Safety check According to 40 VBG 7i a safety check according to the safety stipulations has to be made every 5 years by a service team authorised through our service department The carrying out of such a check has to be attested on the test certificate A corresponding test label has to be affixed on the back of
4. EBA EG KONFORMIT TSERKL RUNG EC declaration of conformity D claration de conformit CE Declaraci n CE de conformidad Dichiarazione CE di conformit EG verklaring van overeenstemming Declara ao CE de conformidade EF overensstemmelseserkl ring Hiermit erkl ren wir da die Bauart von Herewith we declare that Par la pr sente nous d clarons que Por la presente declaramos que la Si dichiara che il modello della Hiermede verklaren wij dat de in de handel gebrachte machine Com a presente declaramos que o modelo da Hermed erkl res at produkttypen 721 721LT folgenden einschl gigen Bestimmungen entspricht complies with the following provisons applying to it sont conformes aux dispositions pertinentes suivantes satisface las disposiciones pertinentes siguientes conforme alle seguenti disposizioni pertinenti voldoet aan de eisen van de in het vervolg genoemde bepalingen est em conformidade com as disposi es pertinentes a saber er i overensstemmelse med f lgende bestemmelser EG98 37 EG73 23 EG89 336 Angewendete harmonisierte Normen insbesondere Applied harmonized standards in particular Normes harmonis e utilis es notamment Normas armonizadas utilizadas particularmente Norme armonizzate applicate in particolare Gebruikte geharmoniseerde normen in het bijzondere Normas harmonizadas utilizadas em particular Harmoniserede standarder
5. LJ Program down CJ Clear J Delete J Insert El Eject Clear Program Each program step corresponds to one dimension The indicated program step can be overwritten at any time These programs remain stored when the machine is off Should you change to another dimension unit all programmed measures are converted into the new unit cm and inch Program entry Press El the red S light will be on Enter desired program number J 21 213 The number will be shown in the display 10 Press the button twice previous program is deleted Enter the position Confirm with H choose the next step Enter the next position Confirm with EJ PJ Exiting program mode Eject function This function can only be programmed to one position Press EJ EJ 12 Select Program Press E gt the red S light willbe on Enter desired program number H 21 2 a Press S Enter step number L el Or enter the next program step with key JU or J Insert a step Choose a step number with key J or JJ Press key J Enter size Press key EJ Delete a step Choose a step number with key UJ or 4J Press key J twice Delete a program Enter desired program number J J 8 Press key twice Example of a program PJ ol al program 08 HAH step 1 on 19 0cm GHA step 2 on 17 0cm JG eject PJ Exiting program mode How the example works
6. paper to the backgauge Release the cut Press MJ key gt the red M 12 light will be on Enter the constant cut size Press key the backgauge will advance by the constant cut size Exiting program mode Press MJ key gt LED M 12 switch OFF The actual size is shown 3 3 Cutting activation A Danger Do not reach into the cutting area when the blade is in motion A cut can only be activated when the specified size is approached The LED S on the display must be deleted and the safety area 38 free Press both buttons of the safety two handed control system 1 simultaneously and keep them pressed until the paper is completely cut Cutting stop or interruption Release one or both buttons of the two hand control 1 10 3 4 False clamp plate A cover plate 39 can be fitted to prevent pressure ES marks on sensitive material To dismount Remove the clamp plate 39 by pulling it down Store the clamp plate in the provided holder 25 The remaining cut is 2 cm To mount The clamp plate 39 is inserted to the top into the clamp 24 gt The remaining cut is 9 cm 11 EBA 721 LT 3 5 Programming The control system enables 20 programs with up to 16 steps to be programmed One step represents One measurement or max 9 chain measurements El Program S Step MJ Memory CJ Program up
7. the machine In Germany such a safety check is regulated and we recommend it for all other countries too 4 1 Cutting stick If the last sheet of paper is not completely cut the cutting depth must be adjusted Setting the cutting depth Lower the blade depth adjustment 27 1 12 using a spanner Remove spanner Perform cutting test as described below If the cutting stick 26 is very worn it must be turned I Warning Do not cut into the cutting stick too deep as this shortens the life time of the blade 245 EBA 721 LT Turning or replacing the cutting stick Turn the blade depth adjustment 27 to the top until it stops Spanner in tool set Remove spanner A Danger Risk of injury Remove the cutting stick 26 with a small screwdriver Turn the cutting stick the non used side must be near to the blade and plug it into the holding bolt The cutting stick can be used eight times Place the paper onto the whole width of the cutting area Lower the blade by pressing both cut keys Keep one button pressed and turn off the main switch Lower the blade depth adjustment 27 until the paper is cut along the entire length Remove spanner Turn main switch to position Cutting test 16 If the last sheet of paper is not completey cut lower the blade adjustment 27 1 12 using a spanner Remove spanner Repeat this procedure until the pape
8. up to the top and screw it into place with the grips Lightly tighten 4 of the 6 blade screws 29 with washers Remove the blade changing tool Lightly tighten the remaining blade screws with washers 2 Remove all tools and position a sheet of paper along the entire cutting length Lower the blade by pressing both cut buttons Keep one button pressed and turn off the main switch Lower the blade depth adjustment 27 until the blade touches the paper The 3 eccentrics 28 should then be used to lower the blade until the paper is cut along the entire length of the blade The blade must remain parallel to the cutting stick Turn main switch to position I The blade will return to the upper position and the blade screws should be tightened firmly Cut a stack of paper to test IZ Warning 18 Blades may only be sharpened by a specialist EBA 4 3 Weekly Maintenance The backgauge should be advanced Lubricate the grease nipple 32 Type of grease Roller bearing grease all types 4 4 Monthy Maintenance Turn main switch off Disconnect from the mains Remove the front upper housing 43 taking care of the cable Check oil 34 If oil is below minimum contact your dealer Remove paper debris Lubricate all grease nipples Check the joint bolts 35 if they are worn Check connecting rod 33 if it is worn Reassemble the machine Type
9. 6 with side tables Cutting TOS Ecsta nceaihncnc tins 32 Coos ama daar eeocsuan 16 4 2 Blade replacement n 17 Removing the blade REENEN 17 Blade mounting x ccisseceaccrsesseegesacergectenvessien 18 4 3 Weekly Maintenance AAA 19 4 4 Monthy Maintenance AAA 19 Type ge TE 19 5 Malfunctions ee eebe Sescegtopetenceiinieeterses 20 6 Technical EE 22 1 PGCOSSONOS iver ter aiei beses Eged 22 EG declaration of conforme 23 EBA 721 LT 1 General This instruction manual will help you to learn the safe and comfortable operation of this machine Please read these operating instructions before putting the machine into operation and observe the safety regulations 1 1 Safety Instructions IS A Danger Non compliance with the instructions may endanger persons IZ Warning Non compliance with the instructions may cause damage to the machine The operating instructions must always be available for the operator All components which may endanger the operator are covered by a guard The casing is connected screwed to the machine Operation by one person at a time only The cutting action which is dangerous to the operator is protected by a two handed control system 22 and safety beam guard 1 1 2 Application The machine is designed for cutting stacks of paper to a specified size Setting the measurement is done via buttons or hand wheel 17 Cutting cycle is activated by a two handed control system
10. EBA EBA 721 LT Operating Instructions EBA 721 LT Table of contents Ts General isr npa e ceaeents 4 1 1 Safety Instructions ees setae neretownntt 4 1 2 elle e E A 2 Installation DEE 5 2 1 Preparing for Installation sner 5 2 2 Power supply sist emaeiniietadaieaenadeene 6 3 Operation E 7 Checklisten tial na 7 3 1 Operating elements AAA 8 BSA EE 8 Display in cm or Ip aegetsbeschEueeSNgeCeke Ze 8 Manual Foot pedal stees erne 8 Cutting to a specific setze 8 Calculating EE 9 Cut according to markings sseeeerrre 9 Optical cutting line indicator 1 1 1 9 Mechanical cutting line indicator 9 Eject GEES 9 Multiple cuts function start 9 without side tables Exiting program mode ccececeeeeeeeees 9 Cutting stop or interruption 10 3 3 Cutting activation EE 10 3 4 False clamp plate W u ssseceererrerrrrrrnee 11 3 9 Programming sasisniandisi rius 12 Program entry EE 12 Eject TUMCH OM E 12 Select Program wise csisciecliisisesawes ccs 13 Insert a step DEE 13 Delete a step E 13 Delete a program W u sseseeeeererrerrn kerner 13 Example of a program 13 How the example works n se 13 Working with programs sses 14 Exiting program mode s es 14 4 Maintenance 22ccccceeeeeeseeeeeeeeeeeeeeees 15 4 1 Cutting SUCK EE 15 Setting the cutting deih 15 Turning or replacing the cutting stick 1
11. adjustment is necessary Malfunction No clamp pressure Cause Hydraulic oil needs refilling Remedy Contact your dealer If you have further questions please contact your dealer or directly on the internet service krug priester com Subject to alteration wihout notice ae aes eee ee X gees RE A En E A EM Em kt A kee e KC F EE ess e EBA 721 LT 6 Technical data Sound level DIN 45635 27 max 73 dB A Minimum space requirement B x T without side tables 130 cm x 151 cm with side tables 210 cm x 160 cm Clamping pressure 250 dN bis 2000 dN Weight without side tables 584 kg Weight with side tables 620 kg Capacity of hydraulic oil Shell Tellus C32 or similar 1 51 Used oil must be disposed of at the authorized place The exact technical specifications can be found on the technical specifications sticker on the machine Safety light beam Total reaction time of safety device 95 ms Resolution top 20 mm 30 mm Resolution front 40 mm Distance 238 mm 20 mm Distance 318 mm 30 mm Distance 460 mm 40 mm 7 Accessories IZ Attention Only use accessories recommended by the manufacturer Not all of the accessories illustrated or described are included as standard delivery Knocking up block 6 9000 521 Blade change set 31 9000 514 HSS Blade 42 9000 141 6 Cutting sticks 26 9000 039 Side tables left and right 9000 550 Grease gun 44 9004 683 JOD a
12. der blev anvendt i s rdaleshed EN60204 prEN1010 1 prEN1010 3 EN55014 1 EN55014 2 EN61000 3 2 EN61000 3 3 prEN50100 1 prEN50100 2 EN292 EN294 EN27779 EN349 DIN45635 27 e Krug amp Priester GmbH u Co KG 28 8 2002 Vator 72336 Balingen Germany Datum olfgang Priester General Manager QUALITATSMANAGEMENTSYSTEN EBA 721 LT EBA Krug amp Priester 72336 Balingen Germany www eba de B_721_2h PMD 09 2002
13. ic size Enter the cut size on the display gt the red S 14 light will be on Press key gt size is approached LED S is deleted Insert the paper and push it with the knocking up block to the backgauge 6 Release the cut Calculating e g Aal TY Stari 4 Backgauge advances to the calculated measurement Cut according to markings Position the backgauge 16 to the back Insert the paper and push it with the knocking up block to the backgauge Turn rotary control 17 to the front until the marking on the paper to be cut is under the light beam The more the rotary control is turned the faster the backgauge will move For quick motion use key 18 Release the cut Optical cutting line indicator An optical cutting line indicator is used for exact cutting The light beam indicates where the cut will be made Mechanical cutting line indicator The clamp 24 can be used as cutting line indicator for exact cutting Pre clamping can be performed using the foot pedal 8 Eject function If key Elis pressed tbe backgauge will advance ejecting the material to be cut then automatically return to the position shown in the display EBA 721 LT Mio Ejo Slo Programm Step P S M cm JO inch wW 18 I LE Multiple cuts function start Enter the cut size on the display Press key Push the
14. of grease Roller bearing grease all types 19 EBA 721 LT 3 Kaes 5 Malfunctions A Danger Disconnect from the mains before starting any service work or before removing the cover Malfunction No display Cause Power supply Remedy Plug in to the mains Mains switch on Check on site fuse Overload switch green 36 pressed Malfunction Optical cutting line indicator does not function after the machine has been moved to another position Cause Phase direction wrong Remedy See Installation and Power supply Malfunction 9 Backgauge does not function Cause Motor is overloaded Remedy Press safety switch 37 Malfunction 20 Cut cannot be activated a Cause Safety light beam is interrupted dirty Remedy Remove any items and clean the sender b Cause Backgauge does not go to the correct position gt the red S light is on Remedy Press Sea again c Cause Size under 9 cm Remedy Put the false clamp in the provided holder Malfunction Machine is switched on but cut cannot be performed Cause Safety clutch is activated Remedy Contact your dealer Malfunction The last sheet of paper is not completely cut Remedy Adjust the cutting depth see Cutting stick or replace or turn the cutting stick Malfunction Poor cutting quality or blade jams Remedy Blade change or
15. r is cut along the entire length EBA 4 2 Blade replacement A reduction in the cutting quality indicates that the blade must be sharpened or a blade change is necessary A Danger Risk of injury The blade is extremely sharp Do not remove or transport the blade without protection Blade replacement work my only be performed by trained staff Removing the blade Turn the blade depth adjustment 27 to the top until it stops Spanner in tool set Remove spanner Lower the blade by pressing both cut buttons Keep one button pressed and turn off the main switch The eccentrics 28 are now exposed and should be turned to position O The special wrench 40 found in the tool set Turn main switch to position I Wait until the blade is at ghe top Turn main switch to position O Remove the 2 blade screws 29 Put the blade changing tool 31 into place and fasten it to the blade The remaining screws should then be removed Loosen the grips of the blade changing tool 31 lightly Allow the blade to be taken downwards out of the machine Place the blade into the blade carrier and screw it into place SEKR EBA 721 LT Blade mounting Turn resp replace cutting stick gt see Cutting stick replacement Place the blade to be exchanged with the blade changing tool 31 mounted into the blade carrier 30
16. ust correspond to the values of the power supply unit Connect the machine to the mains Earth wire must be available Standard machines are factory set as follows Voltage 400V 220V 3 phase Frequency 50Hz 60Hz Machine does not function Switch 5 ON Key switch 4 ON Check on site fuse Press the green overload switch 36 Press the black overload switch 37 gt H the machine still does not function then the rotation must be reversed The machine is wired according to the IEC standards We recommend that alterations to the rotary direction be made in the socket It is also possible to make alterations in the plug by exchanging L1 and L2 A Danger Incorrect exchanging of the connections will endanger the operator This work must be carried out by an electrician EBA 3 Operation VAN Danger The machine may only be operated by trained persons who have also read and understood the operating and safety instructions A Danger Check safety devices are complete and function prior to starting the machine and after replacing the blade Checklist Machine panels All panels must be mounted Cutting activation The cutting mechanism starts when the two handed control system 1 is pressed exactly at the same time Safety light beam Do not reach into the cutting area 38 when in motion It is recommended to keep a written copy of the examination results
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