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1. L 1050 em 580 580 580 multipli 35 2 S multipli 35 2 F multipli 35 2 PBA 8 OPERATOR POSITIONS General 2100 DZ ij 580 multipli 35 2 4 PBA Mathias B uerle GmbH There is no fixed operator position at the machines The operator must move between the following positions l Feeder section for loading the unfolded paper 2 Fold unit for set up 3 Delivery section for removing the folded paper In addition the machines are accessible from any other position for cleaning resetting jam clearance service jobs etc 15 Operator s Manual multipli 35 Friction Feeder F35 9 FRICTION FEEDER F 35 Function The friction feeder F35 is especially suitable for separating uncoated and recycled papers When handling coated paper such as art or vellum papers markings may occur which could impair the quality Sheet separation is done by friction from the top of a fanned paper stack The feeder is driven by the feed roller 2 which in turn moves the infeed roller 1 The pressure roller 3 under the feed roller is stationary Ss Through the rotation of the infeed roller 1 6 the upperm
2. 4 of the suction drum Proper adjustment can be checked as follows Place a sheet 5 against the edges of the cutout in the suction drum 6 This marks the centerline of the drum The sheet must cover the left half of the suction holes 7 while the right half 8 is still visible Change the angle of the suction segment in such a way that the openings in the suction segment 9 line up with the next row of suction holes 10 in direction of paper travel add 9 I 7 31 Operator s Manual multipli 35 32 Air Feeder PBA 35 Set the suction segment as follows e Loosen the lock lever 1 2 2 m L et e Move the swivel lever 2 up or a BQ down thus swinging the suction segment to the required position Heavy paper grades move swivel lever up Light paper grades move swivel lever down e Tighten the clamp lever by turning it clockwise Setting for light paper grades Light paper grades easily cling to the curve of the suction drum Therefore the suction segment must be tilted in direction of the paper stop For running light weight paper first try the setting as described under Basic Setting this direction has the effect that the paper is wrapped around the suction drum 3 The sheets are eas ly separated from the stack and double sheets occur very
3. ESS LEE E A UZ oa L 6 Y 4 5 7 Drive for standard delivery If it is not installed proceed as follows Loosen both Allen screws 6 of the gear they are secured against loss The gear can now be split into two sections e Connect the sections of the gear on the lower delivery shaft 7 Slightly tighten both Allen screws Connect the bridge Make sure that the cutouts of the bridge are properly seated on the pins 8 and the cross bar 9 Check that the drive gear meshes with the gear of the bridge Tighten both Allen screws 6 Connect delivery A 35 to the cross bar 9 e Adjust the height of the foot by turning the setting screws 10 46 Mathias B uerle GmbH Operator s Manual multipli 35 Fanned Delivery Adju sti ng the Hold The hold down rollers are needed for achieving a clean fanned delivery They prevent the folded sheets from opening up on the delivery belt Down Rollers oe pening up y Loosen the knurled screw 1 by turning it counter clockwise Shift the hold down rollers in such a way that the distance 2 between the delivery shafts and hold down rollers corresponds to the final s ze of the folded sheet Tighten the knurled screw by turning it clockwise Shift the hold down rollers sideways so that they are running about 5 cm from the left and right edges of t
4. I 2 Be A I pee ANAD LK DEAA sA CS CQO Adjusti ng the Hold The hold down rollers are needed for achieving a clean fanned delivery Down Rollers They prevent the folded sheets from opening up on the delivery belt e Loosen the knurled screw 6 by turning it counter clockwise Shift the hold down rollers in such a way that the distance 7 between delivery shafts and hold down rollers corresponds to the final size of the folded sheet e Tighten the knurled screw by turning it clockwise e Shift the hold down rollers sideways so that they are running about 5 cm from the left and right edges of the sheets Mathias B uerle GmbH 45 Operator s Manual multipli 35 Fanned Delivery 14 FANNED DELIVERY A 35 Description This type of delivery order no 5 500 265 is equipped with an extended transport belt This feature increases the capacity so there is more time between removing paper The continuously adjustable drive permits a precise setting of the fanned delivery by means of a potentiometer Components and operating elements 1 Transport belt 2 Potentiometer for belt speed 3 Stacker plate 10 A transfer bridge 4 must be attached to the delivery 2 end of the fold unit when working with a delivery A 35 Ma Installation When the bridge is used for the first time check LX iy whether there 1s a drive gear 5 on the lower ee delivery shaft
5. SERIOUS INJURY MAY RESULT A O m N Oh O Place the paper on the feed table Set the folding speed to medium speed CS If the machine is equipped with two fold units the lt gt gt second fold unit must be set to a slower speed than the first fold unit Turn on the pump by means of the switch on the cabinet Switch on the operator panel Select the operating mode see page 62 Start the machine switch position I Machines with two fold units are equipped with a central z On Off switch When both fold units are set to I the two fold units can be simultaneously switched on or off using this switch Press the sheet feed key start of paper feed Pressing the key briefly single sheet feed Pressing the key for approx 2 sec continuous sheet feed Make some trial folds Press the sheet feed key again paper feed is stopped Remove the trial folds and check the fold 51 Operator s Manual multipli 35 Fine Adjustments and Corrections 16 FINE ADJUSTMENTS AND CORRECTIONS Fold Length Fold var ations may occur if the fold plate stops are not set accurately or if the folding speed is changed The fold is off across the whole width of the sheets as opposed to a skewed fold Corrections of the fold length are made by turning the fine adjustment screw 1 A change in the folding speed also changes TG gt the fold length 4 Ss A Therefore t
6. The maintenance free flat belt drive needs no greasing or oiling The fold rollers consist of polyurethane foam and are impregnated with an antistatic liquid The rollers must not be washed with cleaning fluids such as roller or blanket cleaner This would damage the antistatic surface and cause folding problems If cleaning is required use a stiff brush no liquids of any kind Mathias B uerle GmbH 11 Operator s Manual multipli 35 General 12 Mathias B uerle GmbH Operator s Manual multipli 35 5 SAFETY FEATURES Mathias B uerle GmbH General The models of the multipli 35 folder line are equipped with various safety features They ensure the safety of the persons working with the machines The machines are equipped with the following safety features Fixed cover at the fold roller infeed section 1 e Swing up and removable noise covers 2 Safety handwheels 3 _ N i Y 77 y S 4 v Y L Possible remaining risks are pointed out in the respective paragraphs of this manual 13 Operator s Manual multipli 35 General 6 COMPONENTS OF THE MACHINE 14 Asa result of its modular design the multipli 35 series offers a wide range of applications and configurations to suit the requirements of the user The following components are available Friction feeder F35 A r feeder without register table
7. 10 General The operator s manual must always be available near the machine In addition to reading the operator s manual observe and instruct the user in all other generally applicable legal and other mandatory regulations relevant to accident prevention and environmental protection The operator s manual must be supplemented by instructions covering the duties involved in supervising and notifying special organizational features such as job organization working sequences or the personnel entrusted with the work Personnel entrusted with work on the machine must have read the operator s manual and in particular the chapter on safety before beginning the work Reading the instructions after work has begun 1s too late This applies especially to persons working occasionally on the machine e g during setup or maintenance Check at least from time to time whether the personnel is carrying out the work in compliance with the operator s manual and paying attention to risks and safety factors For reasons of safety long hair must be tied back or otherwise secured garments must be close fitting and no jewellery such as rings may be worn Injury may result from being caught on moving parts Observe all safety instructions and warnings attached to the machine See to it that safety instructions and warnings attached to the machine are always complete and perfectly legible In the event of safety relevant modifications or ch
8. Mathias B uerle GmbH GewerbehallestraBe 7 11 D 78112 St Georgen Telefon 07724 882 0 Telefax 07724 882 111 T U MATHIAS B UERLE Internet http www mbfold de E mail center mbfold de Fold System multipli 35 Operator s Manual Operator s Manual multipli 35 CONTENTS 1 General 2 Specifications 3 Proper Handling of the Machine 4 Safety Instructions 5 Safety Features 6 Components of the Machine 7 Space Requirements 8 Operator Positions 9 Friction Feeder F 35 Mathias B uerle GmbH 10 11 12 Function Description Setting the Format Setting the Sheet Separation Fanning the Paper Stack Loading the Feed Table Air Feeder S 32 Principle of Operation Description Setting the Format Setting Sheet Separation Setting the Air Front Paper Stop Setting the Sheet Gap Positioning the Paper Stack Air Feeder PBA 35 Principle of Operation Description Setting the Format Setting the Sheet Separation Setting the Sheet Gap Positioning the Paper Stack Balls in the Register Table Buckle Fold Unit 35 2 and 35 4 Description Fold Plate Positions Inserting the Fold Plates and Deflectors Setting the Fold Plate Stops Long Fold Plate LFT 35 Setting Guide for Common Types of Fold Adjusting the Ejector Rollers Transfer Bridge Roller Table 17 17 18 19 20 20 21 21 21 22 23 23 Zi 28 28 29 29 29 30 31 35 3 36 37 37 38 39 40 40 40 43 43 4
9. Photodetector for sheet gap control 5 Photodetector for double sheet detection 6 59 Operator s Manual multipli 35 Description A B C D Counters The operator panel is divided into several operating sections On Off switch operator panel Display and operating elements for pulsed feeding sheet gap total count paper travel control Displays and operating elements for batch counting Double sheet detection When switching on the machine the batch counter is always in the operating mode in which it was before the machine was switched off This means that the preselected data are saved and that it is possible to start work immediately Ben A 4 2 3 7 8 9 16 1 Display Total count and speed display 2 Analog display Sheet gap 3 Cancel key Clears the total count 4 Minus key Reduces the sheet gap 5 Plus key Increases the sheet gap 6 Mode key Switches from total count to speed display and vice versa 7 On Off switch Sheet feed 8 On Off switch Control of sheet gap 9 On Off switch Paper travel control 10 Display Batch count 11 Analog display Interval time 12 Minus key Reduces the batch count 13 Plus key Increases the batch count 14 Minus key Reduces the interval time 15 Plus key Increases the interval time 16 On Off switch Batch counting 60 Mathias B uerle GmbH Operator s Manual multipli 35 All sock
10. S32 Air feeder with register table PBA 35 First fold unit with 2 fold plates First fold unit with 4 fold plates Second fold unit with 2 fold plates and roller table Second fold unit with 4 fold plates and roller table Fanned delivery Mobile stands The model number shows the machine configuration for example multipli 35 2 F 35 2 F multipli 35 4 S 35 4 S multipli 35 4 2 PBA 35 4 2 PBA Infeed width 35 cm Ist buckle fold unit with 2 fold plates Friction feeder F35 Infeed width 35 cm Ist fold unit with 4 fold plates Air feeder without register table S32 Infeed width 35 cm Ist fold unit with 4 fold plates 2nd fold unit with 2 fold plates Air feeder with register table PBA 35 The following machine configurations are possible in the multipli 35 folder line e Machines with friction feeder F35 multipli 35 2 F e Machines with air feeder S32 without register table e Machines with air feeder PBA with register table multipli 35 2 2 F multipli 35 2 4 F multipli 35 2 S multipli 35 4 S multipli 35 2 2 S multipli 35 2 PBA multipli 35 4 PBA multipli 35 2 2 PBA multipli 35 2 4 S multipli 35 4 2 S multipli 35 4 4 S multipli 35 2 4 PBA multipli 35 4 2 PBA multipli 35 4 4 PBA Mathias B uerle GmbH Operator s Manual multipli 35 7 SPACE REQUIREMENTS 1950
11. Therefore the suction segment must be tilted in direction of the paper stop CS For running light weight paper first try the setting as described under Basic Setting this direction has the effect that the paper is wrapped around the suction drum 4 The sheets are eas ly separated from the stack and double sheets occur very rarely The inclination of the suction segment in Setting for heavy paper grades Heavier paper grades do not easily cling to the curve of the suction drum For this reason the suction segment must be tilted in direction of the paper stack The inclination of the suction segment in this direction has the effect that the paper is wrapped around the suction drum 5 very little This is sufficient because heavier paper grades are more easily separated from the paper stack Mathias B uerle GmbH Operator s Manual multipli 35 Air Feeder S 32 Air Open the valves 1 at both air brackets In most cases itis sufficient to x open the second and the last valve with reference to the format length closed open Air and vacuum Air and vacuum can be modified by means of air regulating valves This is necessary because heavy paper grades require more vacuum and air than light paper grades Valve for vacuum at the suction drum 1 Valve for air at the right air guide 2 Valve for air at the left air guide 3 Air and vacuum can be modi
12. EQ Position 3 GA GY Position 4 The fold plates are marked When installing them make sure that the fold plates are in the correct positions Position 1 Position 2 Position 3 Position 4 Each fold plate has a deflector on its rear edge 1 If a fold plate is not needed for a certain folding job the respective position must be closed by inserting a fold plate with the de flector side pointing towards the fold rollers 38 only fold plates marked I only fold plates marked II only fold plates marked III only fold plates marked IV Mathias B uerle GmbH Operator s Manual multipli 35 Buckle Fold Unit 35 2 and 35 4 In serting the Fold The fold plates must be inserted in such a way Plates and the that two cutouts each 1 2 3 4 5 engage in Deflectors the positioning pins which are located in the side panels of the fold unit Proceed as follows Guide the fold plates with the mouth pointing forward 6 between the side panels of the fold unit Cutouts 1 and 2 must engage in the positioning pins on the left and right 7 hand side 6 e Ifa fold plate is to be used as deflector turn it by 180 and slide it between the side panels with the uninterrupted surface 7 pointing forward Cutouts 4 and 5 must engage in the positioning pins on the left and right hand side e Check whether all pins are firmly engaged by turni
13. a brush 5 X00 03 99 Mathias B uerle GmbH 73
14. flashing LEDs in the analog display corresponds to a certain sheet gap Small sheet gap sa eas Only a few LEDs are on Large sheet gap Most EDsar on mn am ns ze A The sheet gap can be changed with the machine running Speed Display The current speed can be displayed with the machine running by pressing key The speed in sheets per hour appears in the 6 digit display while the key is pressed Paper Travel Control Mathias B uerle GmbH ort The paper travel control can be switched on or off by pressing key D ON LED is on OFF LED is off The paper travel control is only active in the pulsed feed mode In case of a paper jam paper travel is interrupted and the green LED in the YA key is flashing i Press key after clearing the jam D et The LED comes on again and paper feed can be resumed 67 Operator s Manual multipli 35 Double Sheet Detection 20 DOUBLE SHEET DETECTION The photodetector of the double sheet control recognizes when more than one sheet is fed from the stack at the same time If this is the case paper transport is stopped The double sheet detection covers paper weights offset quality from 40 to 170 GSM Description Setting 68 3 4 9 6 1 OCD Cra C n OOO ts 1 On Off switch double sheet detection 1 2 Knob for adjusting the double sheet detection 3 LED red setting
15. of the deflec tors The original format determines the fold lengths to be set The fold length is the distance between the fold plate stop and the fold line A special fold plate order no 5 500 249 is available for longer formats It is used when the first fold needs to be longer than 360 mm The maximum fold length is 430 mm On the following pages you will find a few examples on which fold plates and deflectors to use and how to set them Example Letter fold Leading edge Fold length in fold plate 1 2 3 of sheet length Sheet length Fold length in fold plate 2 1 3 of sheet length Mathias B uerle GmbH Operator s Manual multipli 35 Fold plate setting Buckle Fold Unit 35 2 and 35 4 Fold plate setting A l 1 2 Single fold DIN A4 210 x 297 1 148 2 0 3 0 35 4 only 4 0 35 4 only DIN A3 297 x 420 1 210 2 0 3 0 35 4 only 4 0 35 4 only A DIN A4 210 x 297 1 198 K 2 3 2 99 3 0 35 4 only Letter fold 13 4 0 35 4 only DIN A3 297 x 420 1 280 2 140 3 0 35 4 only 4 0 35 4 only DIN A4 210x297 2 1 99 Me 2 100 f 3 0 35 4 only F 4 0 35 4 only Accordion 1 3 Z fold DIN A3 297 x 420 1 140 2 141 3 0 35 4 only 4 0 35 4 only For accordion folds fold plate stops should be set so they increase by 1 mm from one fold plate to the next W 8
16. of the suction segment with respect to the paper stop can be changed to suit the different types of paper Basic setting e By turning the handwheel move the suction drum 3 to such a position that a row of suction holes is in the uppermost position 4 of the suction drum Proper adjustment can be checked as follows Place a sheet 5 against the edges of the cutout in the suction drum 6 This marks the centerline of the drum The sheet must cover the left half of the suction holes 7 while the right half 8 is still visible e Change the angle of the suction segment in such a way that the openings in the suction segment 9 line up with the next row of suction holes 10 in direction of paper travel TTZIIITZIT ogogo O9 23 Operator s Manual multipli 35 24 Air Feeder S 32 Set the suction segment as follows e Loosen the knurled screw 1 by turning it counter clockwise e Move the swivel lever 2 up or down thus swinging the suction segment to the required position Heavy paper grades move swivel lever up Light paper grades move lever down e Tighten the clamp lever by turning it clockwise Setting for light paper grades Light paper grades easily cling to the curve of the suction drum
17. rarely The inclination of the suction segment in Setting for heavy paper grades Heavier paper grades do not cling easily to the curve of the suction drum For this reason the suction segment must be tilted in direction of the paper stack The inclination of the suction segment in this direction has the effect that the paper 1s wrapped around the suction drum 1 very little This is sufficient because heavier paper grades are more easily separated from the paper stack Air Open the valves 5 at both air brackets KESh most cases it is sufficient to open the second and the last valve with reference to the format length ae closed open Mathias B uerle GmbH Operator s Manual multipli 35 Vacuum Vacuum can be modified by means of a regulating valve 1 This is necessary because heavy paper grades require more vacuum than light paper grades Air Feeder PBA 35 VACUUM VACUUM The vacuum can be modified by turning knob 1 aay Ey Y 2 Minimum Maximum vacuum vacuum Setting the vacuum For setting the vacuum the machine must be turned on Hair loose garments and jewellery may get caught f Exercise caution in the vicinity of rotating shafts and rollers SERIOUS INJURY MAY RESULT f Do not get close to rotating shafts and rollers while the machine is Mathias B uerle GmbH running and the noise absorbing cover is o
18. the user Installation of the machine 1 e assembling as well as electrical and pneumatic work should be carried out only by skilled personnel authorized by the manufacturer or his representatives Additional instructions are provided for this purpose Repairs and service should be carried out only by skilled personnel authorized by the manufacturer or his representatives The interval between inspections including safety related functions depends on the machine usage For regular one shift operation one inspection per year 1s recommended The folders may be placed on already existing sturdy tables or on mobile stands available from the manufacturer The machine weight should be considered when choosing a table for the folder The mobile stands are equipped with casters which can be locked to guarantee the stability of the machine during operation The line voltage must correspond to the voltages on the serial plate Read the Operator s Manual before working with the machine We recommend to carry out all operations and settings in the sequence mentioned in this manual so that nothing is overlooked CS The terms right or left in the following text always refer to the I direction of paper travel Therefore the right side is the operator side Operator s Manual multipli 35 General 4 SAFETY INSTRUCTIONS Basic Operation Mathias B uerle GmbH 4 1 Safety Instructions for Transport and Set Up The following instru
19. with a male scoring wheel and a female counterpart A groove is pressed into the paper when it passes between the tools The texture of the material remains intact 2 1 z INO u 3 The male scoring wheel can be attached on the upper or lower ejector shaft depending on the subsequent type of fold MS MS G KS Upper ejector shaft subsequent fold in fold plate 1 or 3 Lower ejector shaft subsequent fold in fold plate 2 or 4 N Scoring wheels with different widths are available for scoring depending on the paper thickness L5 Thin paper narrow scoring wheel S Heavy paper wide scoring wheel CS The scoring disk 2 is used in conjunction with a grooved counterpart 3 Make sure that the scoring disk runs exactly in the center of its groove If the setting is not precise this may lead to inaccurate perforations and premature wear of the tools N Slitting Purpose of slitting e Slitting trimming and strip cutting An upper 5 and a lower knife 6 are required for slitting The lower knife must be positioned close to the upper knife O l Mathias B uerle GmbH 57 Operator s Manual multipli 35 Installation of the Tools 58 CS amp When perforating and slitting the paper especially Perforating Scoring Slitting The guide rod of the hold down rollers 1 and the squar
20. with the exception of letter fold in fold plate 1 and 2 e Large gap between sheets Turn the set screw 1 all the way counter clockwise by means of a 2 mm Allen key To be used when the sheet length in the first fold plate is larger than half the length of the unfolded sheet example letter fold in fold plate 1 and 2 E gt The feed speed has no influence on the speed of the fold rollers LQ Folding speed is set separately On machines equipped with a batch counter the sheet gap is set at the batch counter see paragraph Counters Sheet gap in feeder If no sheet gap is desired high speed stream feeding 1 e when the operating mode Without sheet gap control is chosen at the batch counter the sheet gap can be optimized by means of the set screw 1 l Positioning the Fan the paper stack to avoid le sheets Paper Stack double sheets 3 2 o Fa Place the stack on the feed table 2 Position the rear paper stop 3 It prevents the paper from sliding off towards the rear Mathias B uerle GmbH 35 Operator s Manual multipli 35 Balls in the Register Table 36 Air Feeder PBA 35 The number and type of balls in the ball cage 1 depend on the format and the type of paper Always try to use as few balls as possible Balls not needed for a particular job should be removed to A avoid wear of the belts see Sloe A j It is recommended to u
21. 4 Operator s Manual multipli 35 13 Standard Fanned Delivery 45 14 Fanned Delivery A 35 46 15 Operation and Trial Folds 49 multipli 35 F Friction Feeder 49 multipli 35 S multipli 35 PBA without Operator Panel 50 multipli 35 PBA with Operator Panel Jl 16 Fine Adjustments and Corrections 52 Fold Length 52 Skewed Folds 52 Correction of Skewed Folds 53 Out of Square Paper 53 17 Perforating Scoring and Slitting Tools 55 Perforating 56 Scoring 3I Slitting 37 Installation of the Tools 58 18 Total Counter 59 19 Batch Counter 59 Description 60 Operating Modes 62 Continuous Suction Streamfeed 62 Control of Sheet Gap 63 Total Counter 64 Permanent Counter 64 Setting the Batch Count 65 Switching on the Batch Counter 65 Setting the Desired Number of Sheets 65 Setting the Interval Time 65 Batch Counting for Two up and Three up 66 Sheet Gap Control 67 Switching on the Sheet Gap Control 67 Setting the Sheet Gap 67 Speed Display 67 Paper Travel Control 67 20 Double Sheet Detection 68 21 Trouble Shooting Guide 71 The title copyright and all other proprietary rights in this document are vested in Mathias B uerle GmbH and no part of it may be reproduced in any form without the written permission of Mathias B uerle GmbH l Mathias B uerle GmbH Operator s Manual multipli 35 1 GENERAL General Description Fold Principle Mathias B uerle GmbH General The machines of the multipli 3
22. 5 folder line work on the buckle fold principle They can be used for a wide range of applications because it is possible to choose between different types of feeders or to use one or two fold units The most important folds are Double parallel Single fold AN fold AO Crossfold Letter fold Accordion fold ax The infeed rollers 1 and 2 transport the sheet to be folded into the fold plate 4 As soon as it comes up against the adjustable stop the sheet forms a buckle because the infeed rollers keep on moving The loop gets bigger until the sheet is seized 4 by rollers 2 and 3 this is where the actual fold occurs The rollers draw the folded sheet from the fold plate and the infeed rollers and move it on Operator s Manual multipli 35 General 2 SPECIFICATIONS Paper size max size min size Bottom feed top loading air feeder PBA 35 35 x 45 cm 8 5 x 12 cm width x length Bottom feed top loading air feeder S 32 32 x 45 cm 8 5 x 12 cm width x length Friction feeder F 35 35 x 54 cm 5 x 7 cm width x length Fold unit II 32x45cm 8 5 x 12 cm width x length Fold length 36 cm 5 cm Long fold plate LFT 35 43 cm 5 cm Speed Air feeder 30 000 sheets h Friction feeder 20 000 sheets h when folding from A4 to A5 paper weight 80 GSM Paper weight 40 250 GSM for single parallel fold Electrical Voltage 230V Current consumption max 10A Power consumption Ist fold
23. Ejector Rollers first fold unit each other 1 An adjustment is only necessary when the sheets are no longer guided properly after a change of format To adjust Turn the handwheel until the set 1 screws of the ejector rollers are visible 2 Shift the ejector rollers to the required position Tighten the set screws l l SO sy Loosen the screws 2 w th a 2 mm Allen key Transfer Bridge When a second fold unit is used a transfer LFS Ly bridge 3 is attached to the delivery of the S T check whether there is a drive gear 4 on When the bridge is used for the first time ae vos J if Ti i Z N the lower delivery shaft Drive for standard delivery If it is not installed proceed as follows Mathias B uerle GmbH Loosen the two Allen screws 5 on the gear The screws are secured against loss Q 6 Now it is possible to separate the two parts of the gear 5 Ne 5 Connect both parts of the gear on the lower ejector shaft 6 VZ N Connect the bridge 3 Make sure that the cutouts of the bridge are properly seated on the pins 7 and the crossbar 8 Check that the drive gear meshes with the gear of the bridge Tighten the two Allen screws 5 43 Operator s Manual multipli 35 Buckle Fold Unit 35 2 and 35 4 Roller Table On the roller table the sheets are tr
24. aid 4 LED yellow setting aid 5 LED green indicates ready state 6 LED red indicates double sheets 7 Reset button clears double sheet indication 8 On Off switch Operator panel Switch on the operator panel 8 Turn on the double sheet detection with switch 1 The green LED 5 indicates that it is ready for operation Slide a folded sample sheet an unprinted section under the photodetector 9 Slowly turn the knob 2 to the left or to the right until l the green LED goes out 2 thetwo red LEDs come on 3 the yellow LED just comes on and is barely visible Remove the double sample sheet LED display green LED is on red LED is on Press keyC LED display red LED goes out green LED s on CS If the double sheet detection is adjusted several times the sample sheet must not stay under the photodetector It must be placed anew under the photodetector every time an adjustment is made Mathias B uerle GmbH Operator s Manual multipli 35 Setting Check Display of Double Sheets Mathias B uerle GmbH Double Sheet Detection Fold a sample sheet once by hand Slide the folded sheet under the photodetector LED display the two red LEDs are on the yellow LED is on Remove the paper Press keyC LED display the red LED goes out the green LED is on Slide an unfolded sheet under the photodetector LED display the green LED s on When the sheets pass under the photodetec
25. anges in the performance of the machine during operation stop the machine immediately and report the malfunction to the competent person Never make any modifications additions or conversions which might affect safety without the manufacturer s approval Adhere to prescribed intervals or those specified in the operator s manual for routine checks and inspections Employ only trained or instructed staff and set out clearly the individual responisibili ties of the personnel for operation set up maintenance and repair Work on the electrical system and equipment of the machine must be carried out only by a skilled electrician or by instructed persons under the supervision and guidance of a skilled electrician and in accordance with electrical engineering rules and regula Avoid any operational mode that might be detrimental to safety Take the necessary precautions to ensure that the machine is used only in a safe and reliable state Operate the machine only if all protective and safety oriented devices such as removable safety devices emergency stops sound proofing elements are in place and fully functional In the event of malfunctions stop the machine immediately and prevent further use Have any defects rectified immediately Before starting up or setting the machine in motion make sure that nobody is in danger Observe the adjusting maintenance and inspection activities and intervals set out in the operator s manual including info
26. ansported to the next fold unit by means of rollers which are positioned at an angle with respect to the register rail Proceed as follows when changing the format e Loosen the handle 1 by turning it counter clockwise e Set the register rail 2 according to paper size e Tighten the handle by turning it clockwise The alignment angle can be changed by turning the knurled screw 3 The ball cage of the roller table must be equipped with plastic or steel balls The type and number of balls depends on the format and the type of paper A minimum number of balls should always be used Balls not needed for a particular job should be removed to avoid wear of the belts E It is recommended to use the following balls for paper grades below 60 GSM Plastic balls for paper grades from 60 to 150 GSM Plastic balls every fourth should be a steel ball for paper grades above 150 GSM Steel balls L5 If the sheets are not aligned properly against the register rail and tend to skew this can be corrected by means of ad justable ball cages 4 Wt 44 Mathias B uerle GmbH Operator s Manual multipli 35 Fanned Delivery 13 STANDARD FANNED DELIVERY Description Components and operating elements Transport belt Hold down rollers Knurled screw for hold down rollers Stacker plate Knurled screws for adjusting the tension of the transport belts Mm B WN
27. bH 55 Operator s Manual multipli 35 Perforating 56 Perforating Scoring Slitting Purpose of perforating To avoid creasing when making crossfolds Air can escape from the folded sheet through the perforations Various perforating knives are available which differ n the type and number of teeth Their usage is determined by the type of paper and the kind of perforating job CS Thin paper short cuts many teeth Heavy paper long cuts few teeth There are two general types of perforations 1 Push through Push through perforations 9 100 231 and 9 100 232 run in the groove of a roller Make sure that the perforating knife runs exactly in the center of the groove of its counterpart If the setting is not precise this may lead to inaccurate perforations and premature wear of the tools z The counterpart of knife perforations 9 100 235 9 100 236 and 9 100 237 is a rotary knife Position the upper and lower tools so that they touch each other lightly like the two knives of a pair of scissors rE rye 2 Knife Mathias B uerle GmbH Operator s Manual multipli 35 Perforating Scoring Slitting Sco ring Purpose of scoring To create of a hinge type zone to aid the subsequent crossfold if the sheet cannot be perforated for functional reasons Scoring 1 is done
28. ctions and warnings are applied to the packing to ensure appropriate and safe transport Top Transport in Protect from humidity Fragile upright position only Handle with care These instructions and warnings must also be observed for transport within the users premises For transport to other premises resp for return shipment the machines must be packed and provided with the same markings 4 2 Fundamental Safety Instructions Warnings and Symbols The following symbols and designations are used n the manual to identify instructions of particular importance CS General instructions and special information on how to use the machine I S most efficiently Instructions designed to prevent injury or extensive equipment damage The machine has been built in accordance with state of the art standards and the recognized safety rules Nevertheless operators and third parties may get injured when working with the machine or damage to the machine and to other material property may result The machine must only be used in a technically perfect condition in accordance with its designated use and the instructions set out in the operator s manual Any malfunctions especially those affecting the safety of the machine should therefore be rectified immediately Operator s Manual multipli 35 Organizational Measures Selection of Per sonnel Basic Responsibilities Standard Operation Special Work Maintenance Repair
29. d before switching off the machine This is done by pushing down the stack in the feeder with your hand to prevent sheets from being fed Then turn the switch to 0 Remove the trial folds and check the fold If the machine is equipped with a total counter the count must be set to 0 by pressing the C key after the set up of the machine has been completed 49 Operator s Manual multipli 35 multipli 35 S multipli 35 PBA without Operator Panel 50 Operation and Trial Folds After all adjustments have been completed for a particular job check the result by making a few tr al folds Make minor corrections using the fine adjustment knobs on the fold plates Exercise caution in the vicinity of rotating shafts and rollers Hair loose garments and jewellery may get caught SERIOUS INJURY MAY RESULT Exercise caution in the vicinity of the perforating and slitting knives They have sharp edges for proper function Ye SERIOUS INJURY MAY RESULT or Do not get close to rotating shafts and rollers while the machine is running and the noise absorbing cover is open SERIOUS INJURY MAY RESULT Place the paper on the feed table Set the folding speed to medium speed CS If the machine 1s equipped with two fold units the II second fold unit must be set to a slower speed than the first fold unit Turn on the pump by means of the switch on the cabinet Start the machine switch positio
30. e shaft 2 can be removed to improve the accessibility for installing the tools Proceed as follows 3 Pull the guide rod from the L mss square shaft 1 a The guide rod is attached with a leaf spring a e zZ Press the square shaft against the spring 3 at the side and tilt it out of the locating hole in the s de plate Install the hold down rollers in reverse order The perforating scoring and slitting tools may be positioned anywhere on the ejector shaft To determine the correct position run an unfolded sheet through the fold unit by turning the handwheel and marking the correct position of the tool on the sample sheet The perforating scoring and slitting tools are installed as follows e Loosen the two Allen screws 4 on the perforating scoring and slitting tools The screws are secured against loss IN 54 Now it is possible to separate the two parts of the tool 4 Connect both parts of the tool on the upper 5 and lower 6 5 ejector shaft e Slightly tighten both Allen screws G7 6 e Slide the assembled tool to the exact location on the ejector 4 4 shaft Wt light paper grades may stick to the knife Install a stripper 7 to prevent this from happening The stripper should be located as close as possible without touching it Mathias B
31. en feed and pressure roller is now set to the thickness of the sheets to be folded Now remove the sample sheet Switch off the machine knob 1 in position 0 Place the setting disk 3 back in rest position to avoid accidental movement Corrections can be made with the machine running Loosen the knurled nut 5 at the feeder By changing the location of the knurled nut the contact pressure at the feeder can be set to the type of paper Light grades of paper below 60 GSM Only light pressure necessary push in direction of the delivery section Medium weight papers 60 to 90 GSM The weight of the feeder itself is sufficient neutral mid position Heavy paper grades more than 90 GSM Higher pressure needed push in direction of feed section 19 Operator s Manual multipli 35 Fanning the Paper Stack Loading the Feed Table 20 Friction Feeder F35 Proceed as follows to fan out the paper stack before placing it on the feed table e Grip the left end of the paper stack with your left hand and bend it towards the right Push down the right side of the stack with your right hand e While still holding down the right side of the stack release the left side which C will snap back to its original position The stack is fanned out slightly i Repeat this procedure once or twice until the stack is fanned out properly Slide the feeder back to rest position 1 Place the fanned ou
32. er can be switched on or off by pressing key _ Pi Key Explanation 56 The green LED indicates that the Batch Count setting feature is active m RD N ed The segment and the analog display come on Bei en ee Key Explanation Press the key several times until the correct number of sheets is shown in the display When working with a kicker the smallest settable batch count is 10 Key Explanation Press the key several times the number of flashing LEDs in the analog display corresponds cea a a to a certain sheet gap Short interval Only a few LEDs are on A Long interval Most LEDs are on ee ee When working with a kicker the setting depends on the type of paper Thin paper Only a few LEDs are flashing Thick paper Most LEDs are flashing CS The interval can be changed with the machine running 65 Operator s Manual multipli 35 Batch Counting for Two up and Three up 66 Counters The batch counter can correctly count two and three up in a particular batch To set proceed as follows Turn off the main switch on the operator panel ri Press key X and turn on the main switch at the same time III IH The display switches and indicates a number for example 1 The flashing LED indicates that the switch over mode has bee
33. ets are located at the rear of the operator panel The plugs are keyed to prevent incorrect connections Mathias B uerle GmbH The connections are as follows Counters X12 X11 X10 X9 X8 O O O ee oo ot lo eee O ss gt 00 Clow Ow Te Co 1 Line power socket X8 Solenoid valve X9 Pulsed photodetector X10 Double sheet detection X11 Counter photodetector X12 Paper travel control N ow Fr 8w 000 5B O O CHG Sn Making adjustments on the operator panel is only possible when the main switch 2 s turned on Press the reset key 4 when the red LED 3 is on in the double sheet detection section of the counter The red LED will go out Settings are possible only with the red LED out 61 Operator s Manual multipli 35 Operating Modes Continuous Suction Streamfeed 62 Counters The control of the batch counter makes it possible to run the machine in different operating modes The LEDs in the keys indicate what mode is active at the moment e Without control of sheet gap without batch counting Display Total count Display Batch count active inactive LED for sheet feed indicates ready state Without control of shee
34. f the paper stop n such a way that only one sheet s pulled off the stack Switch off the machine switch position 0 Mathias B uerle GmbH 27 Operator s Manual multipli 35 Setting the Sheet The sheet gap can be changed by means of Ga a set screw 1 p This adjustment changes the speed of the suction drum 1 e the gap between sheets is the result of the speed difference be tween feed drum and fold rollers e Small gap between sheets Turn the screw 1 all the way clock wise by means of a 2 mm Allen key Air Feeder S 32 O I ni A For all parallel folds with the exception of letter fold in fold plate 1 and 2 Large gap between sheets Turn the set screw 1 all the way counter clockwise by means of a 2 mm Allen key To be used when the sheet length in the first fold plate is larger than half the length of the unfolded sheet example letter fold in fold plates 1 and 2 CS The feed speed has no influence on the speed of the fold rollers Folding speed is set separately Positioning the Fan the paper stack to avoid double sheets Paper Stack Place the stack on the feed table 2 Position the rear paper stop 3 It prevents the paper from sliding off towards the rear 28 Mathias B uerle GmbH Operator s Manual multipli 35 Air Feeder PBA 35 11 AIR FEEDER PBA 35 Principl e of The air feeder PBA 35 consist
35. fied by means of sliding collars valves Bleeder hole covered completely maximum effect Bleeder hole half open reduced effect Bleeder hole completely open minimum effect Mathias B uerle GmbH 25 Operator s Manual multipli 35 Air Feeder S 32 Setting the vacuum For setting the vacuum the machine must be turned on Hair loose garments and jewellery may get caught SERIOUS INJURY MAY RESULT N Do not get close to rotating shafts and rollers while the machine is Exercise caution in the vicinity of rotating shafts and rollers running and the noise absorbing cover is open SERIOUS INJURY MAY RESULT Exercise caution in the vicinity of the perforating and slitting knives They have sharp edges for proper function SERIOUS INJURY MAY RESULT gt Ned N Open the bleeder hole for setting the minimum effect CONN OR Start the machine in Lea y WX Xyy Su e Slowly slide the collar over the bleeder hole Observe sheet separation while doing this Bes SS At first no sheets are pulled off the stack or they are pulled gt off irregularily The more the collar covers the bleeder hole the smoother the paper transport CS Leave the collar in the position where even separation is obtained N N Make sure that much vacuum does not cause feeding of double sheets Switch off the machine 26 Mathias B uerle GmbH Operator s Manual multip
36. gs of the suction drum 2 are exactly above the openings of the suction segment 3 e Adjust the horizontal position of the front paper stop in such a way that it forms a vertical line 4 with the leading edge of the suction openings To achieve this turn the knurled screw 5 counter clockwise or clockwise Adjusting the vertical position The respective paper thickness is set by adjusting the vertical position of the front paper stop Proceed as follows Place a stack of about 50 sheets on the feed table Switch on the pump e Start the machine switch position I Exercise caution in the vicinity of rotating shafts and rollers Hair loose garments and jewellery may get caught SERIOUS INJURY MAY RESULT By turning the knurled screw 6 adjust the vertical position of the paper stop in such a way that only one sheet is pulled off the stack Switch off the machine switch position 0 Mathias B uerle GmbH Operator s Manual multipli 35 Air Feeder PBA 35 Setting the Sheet The sheet gap can be changed by means Ga of a set screw 1 p This adjustment changes the speed of a the suction drum 1 e the gap between f O G SEN sheets is the result of the speed differen u BR ce between feed drum and fold rollers AN Make the setting only with the machine turned off Small gap between sheets Turn the set screw 1 all the way clockwise by means of a 2 mm Allen key For all parallel folds
37. he folded sheets may show points SS By turning a knurled screw 4 the fold plate stop can be adapted to the angle of the sheets Turning the screw clockwise N 4 The right side of the fold plate stop moves down e Turning the screw counter clockwise The right side of the fold plate stop moves up Make this correction only on the first fold plate 53 Operator s Manual multipli 35 Perforating Scoring Slitting 17 PERFORATING SCORING AND SLITTING TOOLS The following perforating scoring and slitting tools are available e Perforating standard short Order no 9 100 231 standard medium 9 100 232 blade short 9 100 235 blade medium 9 100 236 blade long 9 100 237 e Scoring narrow Order no 9 100 017 medium 9 100 018 wide 9 100 019 e Slitting Order no 9 100 027 Perforating and slitting knives have sharp edges for proper function Exercise caution when removing and installing them SERIOUS INJURY MAY RESULT Before installing or removing scoring perforating or slitting tools always PULL the power plug This will ensure that no other person will be able to start the machine while you are working on it The perforating scoring and slitting tools consist of an upper and a lower part which have to be mounted on the upper resp lower delivery shaft The tools are split therefore it is not necessary to remove the delivery shafts when exchanging the tools Mathias B uerle Gm
38. he set up speed must be LP 9 maintained GR Skewed Folds Skewed out of square folds occur when the paper is fed not at right angles with through the fold unit 2 respect to the fold rollers This can be corrected as follows e Mark the leading edge of a sheet and feed it TF 2 Open the folded sheet and place it n front of 4 the roller infeed section 5 a h i x Correct as shown on the following page To make the deviation more obvious exaggerate the skewed fold by hand 3 4 w 52 Mathias B uerle GmbH Operator s Manual multipli 35 Correction of Skewed Folds Out of Square Paper Mathias B uerle GmbH Fine Adjustments and Corrections Machines with friction feeder F 35 or air feeder S 32 Adjust the paper guides or air brackets on the feeder in such a way that the leading edge of the sheet is parallel to the fold rollers 1 N Machines with air feeder PBA 35 By turning the adjusting wheel 2 adjust the register rail in such a way that the leading edge of the sheet is parallel to the fold rollers Machines with roller table By turning the knurled screw 3 adjust the register rail of the roller table in such a way that the leading edge of the sheet s parallel to the fold rollers If the paper is not cut precisely at right angles t
39. he sheets Mathias B uerle GmbH 47 Operator s Manual multipli 35 Operation and Trial Folds 15 OPERATION AND TRIAL FOLDS multipli 35 F Friction Feeder Mathias B uerle GmbH After all adjustments have been completed for a particular job check the result by making a few tr al folds Make minor corrections using the fine adjustment knobs on the fold plates gt gt gt Exercise caution in the vicinity of rotating shafts and rollers Hair loose garments and jewellery may get caught SERIOUS INJURY MAY RESULT Exercise caution in the vicinity of the perforating and slitting knives They D have sharp edges for proper function SERIOUS INJURY MAY RESULT Do not get close to rotating shafts and rollers while the machine is running and the noise absorbing cover is open SERIOUS INJURY MAY RESULT Place the properly fanned paper stack on the feed table Set the folding speed to medium speed CS If the machine is equipped with two fold units the second fold unit must be set to a slower speed than the first fold unit l Start the machine switch position I Machines with two fold units are equipped with a central gt On Off switch When both fold units are set to I the two fold units can be simultaneously switched on or off using this switch Make some trial folds Stop the machine switch position 0 CS It is good practice to interrupt the sheet fee
40. ient or infeed roller worn 4 _Hold down pressure too high 5 Feed shaft drive belt worn 6 Infeed roller pressure too strong 7 Speed too high 8 Paper runs at an angle 9 Pressure of first pair of folding rollers too strong or uneven 31 Remedy Set with a little more side play Increase gap with setting disk Increase pressure with knurled nut on feeder or replace roller Slide the hold down disks on the feed shaft outward somewhat Replace belt Reduce with knurled nut Reduce speed Correct with guides Have pressure and parallel alignment set by our service engineer 71 Operator s Manual multipli 35 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 72 Possible Cause Gap between feed and pressure roller too wide Paper stop is not set at the correct height Too much vacuum Air brackets are not set parallel Feed speed of suction drum too high Gap between sheets is too narrow Pump is not switched on Suction drum is loose Timing belt pulley is loose Sheets are not fed at right angles Sheets are not cut at right angles Fold plate stop not set correctly Change of fold speed Steel balls too heavy Insufficient guidance by balls Distance between ejector rollers and hold down rollers too short Ejector rollers on knife shafts are not distributed evenly across paper width Ejector rollers worn Paper feed irregular Del
41. ivery belt is slack Paper jam safety system has switched off the machine Remedy Narrow gap by turning setting disk Change height by means of setting screw Reduce vacuum Adjust air brackets according to scale Set hand wheel to slow feed speed Adjust air flow Move suction segment against the rotation of the suction drum Switch on pump Tighten suction drum 3 Allen screws Tighten timing belt pulley Align sheet guide on the feeder or right angle table Adapt fold plate stop to the sheet by ad justing the knurled screw Readjust with fine adjustment screw Set regular speed check fold Use plastic balls Shift ball cages Increase distance Arrange ejector rollers evenly across the paper width Replace rollers Correct setting Tension belt or replace if necessary Clear jam switch the machine off and then on again Mathias B uerle GmbH Operator s Manual multipli 35 No Possible Cause Remedy 31 Setting of sheet gap photodetector Using a screwdriver reduce sensor sensi too sensitive or not sensitive enough tivity at potentiometer of sheet gap Red LED on photodetector is on photodetector until LED goes out continuously or not on at all Then check function of photodetector as follows Place a paper strip under the detector LED red comes on Remove paper strip from under the photodetector LED red goes out 32 Sheet gap photodetector dirty Clean bottom of photodetector with a soft cloth or
42. li 35 Air Feeder S 32 Adjusting the front paper stop The position of the front paper stop 1 can be adjusted in a horizontal and vertical direction Adjusting the horizontal position The horizontal position of the front paper stop deter mines the suction point on the paper and in turn de pends on the position of the suction segment in the suction drum gt The inclination of the suction segment SI must be set correctly before making the horizontal adjustment see page 23 24 When the suction segment is adjusted the horizontal position must also be changed accordingly e Turn the handwheel until the openings of the suction drum 2 are exactly above the openings of the suction segment 3 Adjust the horizontal position of the front paper stop in such a way that it forms a vertical line 4 with the leading edge of the suction openings To achieve this turn the knurled screw 5 counter clockwise or clockwise Adjusting the vertical position The respective paper thickness is set by adjusting the vertical position of the front paper stop Proceed as follows Place a stack of about 50 sheets on the feed table Switch on the pump e Start the machine switch position I Exercise caution in the vicinity of rotating shafts and rollers Hair loose garments and jewellery may get caught SERIOUS INJURY MAY RESULT By turning the knurled screw 6 adjust the vertical position o
43. n I Machines with two fold units are equipped with a central On Off switch When both fold units are set to I the two fold units can be simultaneously switched on or off using this switch Make some trial folds Stop the machine switch position 0 CS It is good practice to interrupt the sheet feed before switching off the machine This is done by pushing down the stack in the feeder with your hand to prevent sheets from being fed Then turn the switch to 0 Remove the trial folds and check the fold If the machine is equipped with a total counter the count must be set to 0 by pressing the C key after the set up of the machine has been completed Mathias B uerle GmbH Operator s Manual multipli 35 multipli 35 PBA with Operator Panel Mathias B uerle GmbH After all adjustments have been completed for a particular job check the result by making a few tr al folds Make minor cor rections using the fine adjustment knobs on the fold plates Exercise caution in the vicinity of rotating shafts and rollers Hair loose garments and jewellery may get caught SERIOUS INJURY MAY RESULT Operation and Trial Folds Exercise caution in the vicinity of the perforating and slitting knives They have sharp edges for proper function SERIOUS INJURY MAY RESULT Do not get close to rotating shafts and rollers while the machine is running and the noise absorbing cover is open
44. n activated The numbers in the display stand for 1 one up 2 two up 3 three up Using this key set for one up two up or three up s Pressing the plus key increases the number to 3 pressing the minus key reduces it to 1 Turn off the main switch The selected number is now saved s The right LED is flashing continuously after the main switch has been tur z ned on again This indicates that the two or three up mode has been set If you want to check whether the batch counter has been set to one up two up or three up just turn on the main switch For a brief moment the display will show es Program code One up two up or three up After a moment the display will automatically return to the total count displays Mathias B uerle GmbH Operator s Manual multipli 35 Counters Sheet Gap Control Switching On the Sheet Gap Control Setting the Sheet Gap The operating mode sheet gap control makes continuous sheet feeding possible in a predetermined rhythm This allows to select a variable sheet gap The function of the sheet gap control can be switched on or off by pressing key 5 Key Explanation ur The green LED indicates that the sheet gap set up feature is turned on EN D 41 The analog display under the total counter comes on je u u un ame Key Explanation Press the key several times the number of
45. ng the fold rollers by the handwheel e Cutout 3 is for inserting fold plates in machines which were built before March 1997 Up to that date the positioning pins were in different positions Displacing the Fold Plates and Deflectors There are special adjustment devices 8 9 at the left and right hand side of the fold plates which make it possible to reduce the distance to the fold rollers for example when folding thin paper Loosen the Allen screws on both sides of the fold plate 2 5 mm wrench Set all 4 adjustment devices to the same measurement to make sure that the fold plate always has the same distance to the fold rollers no matter whether it is used as fold plate or as deflector e Retighten the Allen screws Mathias B uerle GmbH 39 Operator s Manual multipli 35 Setting the Fold Plate Stops Long Fold Plate LFT 35 Setting Guide for Common Types of Fold 40 Buckle Fold Unit 35 2 and 35 4 Loosen the fold plate stop by turning the knurled screw counter clockwise 1 Set the stop to the required position on the scale 2 e Secure the fold plate stop by turn ing the knurled screw clockwise e By turning a fine adjustment screw 3 the fold length can be adjusted precisely with the machine running Angle corrections for the paper stop are possible by turning the knurled screw 4 SS The type of fold determines the position of the fold plates and
46. ocated roughly near the center of the feed roller Place the left feed guide 6 against the sheet using the locating holes 8 as a guide Tighten the knurled nut 5 of the left feed guide Slide the right feed guide against the edge of the sheet without actually touching it leaving a gap of approx 0 5 mm Tighten the knurled nut of the right feed guide Displace the hold down disks 3 n such a way that they serve as guides about 2 3 cm from the edge of the sheet Mathias B uerle GmbH Operator s Manual multipli 35 Setting the Sheet Separation Mathias B uerle GmbH Friction Feeder F35 Exercise caution in the vicinity of rotating shafts and rollers Hair loose garments and jewellery may get caught SERIOUS INJURY MAY RESULT Switch on the machine knob 1 in u bo 4 position I ie A u el Move the feeder until it audibly engages I in the rest position 2 Push open the setting disk 3 and turn it counter clockwise by about one turn This lowers the pressure roller The gap between feed and pressure roller is increased Slide an unfolded sheet between feed and pressure roller and hold it tight 4 Hold on to the sheet to avoid that it is gripped by the feed roller gt and then folded Keep the sample sheet in this position and use your other hand to slowly turn the setting disk 3 clockwise until you feel a slight resistance when pulling back the sheet The gap betwe
47. ost sheet of the fanned paper stack is transported in direction of the feed roller 2 When the sheet reaches the feed roller 2 it is gripped by the roller and the rotating movement moves the sheet on to the first pair of rollers 4 where the actual fold occurs As soon as the trailing edge of the sheet has left the feed roller the infeed roller grips the next sheet from the top and again transports it in direction of the feed roller N Feed table Feed guide left and right 7 Knurled nut for adjusting the feed guide 8 Guide holes on I 8 Description _ N ON 9 Feeder a Ge 10 Knurled nut for changing the 10 contact pressure on the feeder T 11 Infeed roller 9 11 Mathias B uerle GmbH 17 Operator s Manual multipli 35 Description Setting the Format 18 p lt Feed roller A Pressure roller Hold down disks Paper thickness setting disk Friction Feeder F35 re LC NO When setting the format care should be taken that the sheets are fed approximately from the center Loosen the knurled nut 5 at the two feed guides by turning it counter clockwise Set both feed guides roughly to the desired format Manually fold a sample sheet length wise down the middle 7 Place the sample sheet 7 on the feed table in such a way that the fold is l
48. page accordion fold DIN A4 210x297 1 74 2 3 76 4 0 DIN A3 297 x 420 1 105 2 106 3 107 4 0 For accordion folds fold plate stops should be set so they increase by 1 mm from one fold plate to the next Mathias B uerle GmbH 41 Operator s Manual multipli 35 Buckle Fold Unit 35 2 and 35 4 Fold plate setting Fold plate setting Type of fold Fold length 35 2 35 4 i DIN A4 210x297 1 5 1 59 a E 1 5 3 61 3 4 62 10 page A 1 5 accordion l 1 5 DIN A3 297x420 fold L 84 2 85 3 86 4 87 For accordion folds fold plate stops should be set so they increase by 1 mm from one fold plate to the next A DIN A4 210x297 12 1 148 u 2 74 3 0 35 4 only Double 14 y 4 0 35 4 only parallel fold DIN A3 297 x 420 1 210 2 105 3 0 35 4 only 4 0 35 4 only A DIN A4 210 x 297 1 148 1 2 a 3 0 35 4 only Y 4 0 35 4 only Crossfold DIN A3 297 x 420 1 210 2 0 3 0 35 4 only 4 0 35 4 only DIN A4 210 x 297 1 105 2 0 i 3 0 35 4 only 1 2 4 0 35 4 only gt DIN A3 297 x 420 1 148 2 0 3 0 35 4 only 4 0 35 4 only 2nd fold unit 2nd fold unit 42 Mathias B uerle GmbH Operator s Manual multipli 35 Buckle Fold Unit 35 2 and 35 4 Adju sting the The ejector rollers on the delivery shafts must be set so that they are running on top of
49. pen SERIOUS INJURY MAY RESULT Exercise caution in the vicinity of the perforating and slitting knives They have sharp edges for proper Vacuum function SERIOUS INJURY MAY RESULT nd fo T Ao f Close the valve for setting the minimum effect N Start the machine Vacuum Slowly open the valve by turning the knob clockwise Observe the sheet separation while doing this Sr At first no sheets are pulled off the stack or they are pulled off irregula rily The more the valve is opened the smoother is the paper transport a CS Leave the knob of the valve in the position where even separation is obtained Wt Make sure that much vacuum does not cause feeding of double sheets SS Switch off the machine 33 Operator s Manual multipli 35 34 Air Feeder PBA 35 Adjusting the Front Paper Stop The position of the front paper stop 1 can be adjusted in horizontal and vertical direction Adjusting the horizontal position The horizontal position of the front paper stop deter mines the suction point on the paper and in turn de pends on the position of the suction segment in the suction drum CS The inclination of the suction segment must 1 SI i AN be set correctly before making the horizontal s adjustment x Sr When the suction segment is adjusted the e Z3 o horizontal position must also be changed accordingly e Turn the handwheel until the openin
50. rmation on the replacement of parts and equipment If the machine is completely shut down for maintenance and repair work it must be secured against inadvertent starting by attaching a warning sign to the main switch Always tighten any screw connections that have been loosened during maintenance and repair Mathias B uerle GmbH Operator s Manual multipli 35 General Special Dang ers The electrical equipment of machines is to be inspected and checked at regular intervals Defects such as loose connections or scorched cables must be rectified immediately Product Specific f Exercise caution in the vicinity of rotating shafts and rollers f Instr ion Hair loose garments and jewellery may get caught ety SIrBEHONS SERIOUS INJURY MAY RESULT Exercise caution in the vicinity of the perforating and slitting knives They have sharp edges for proper function SERIOUS INJURY MAY RESULT 4 3 Cleaning and Maintenance Regular and proper cleaning contributes to a long life of the machine and a consistent quality Therefore it is important to clean the machine in regular intervals and above all to remove paper dust The interval between maintenance jobs depends on the workload It is recommended to clean the machine once a week Exercise caution in the vicinity of the perforating and slitting knives They have sharp edges for proper function SERIOUS INJURY MAY RESULT AN Before cleaning the machine always pull the power plug
51. s of a feeder and a register table O ti It is suitable for handling a wide variety of papers uncoated paper as well as coated peration freshly printed or thin papers The sheets are separated by air and vacuum Air is supplied from the bottom of the stack both on the left and right side separating the paper in the stack which now floats on a cushion of air A rotating suction drum can then separate the sheets from the bottom of the paper stack This principle has the advantage that paper can be continuously reloaded with the machine running There is no need to stop the machine Description Components and operating elements of the air feeder PBA 35 1 Knobs and locking levers for adjusting the guide brackets Air guide left Feed table Air guide right Air regulating valves Front paper stop Register table Two speeds adjustment Locking lever for the suction segment 10 Lever for adjusting the suction segment 11 Operator panel Counter 12 Rear paper stop OMAN MN BW WN 13 Register rail 14 Ball cage 15 Setting disk for changing the angle 16 Hold down bars 17 Photodetector sheet gap control 18 Photodetector double sheet detection Mathias B uerle GmbH 29 Operator s Manual multipli 35 Setting the Format 30 l Air Feeder PBA 35 CS The paper should be positioned in such a way that it is fed appro
52. se the following balls e for paper grades below 60 GSM Plastic balls e for paper grades from 60 to 150 GSM Plastic balls every fourth should be a steel ball for paper grades above 150 GSM Steel balls In the infeed section the first 4 to 6 balls it is recommended to always use one or two steel balls For very light paper grades every second ball opening should be left free Mathias B uerle GmbH Operator s Manual multipli 35 Buckle Fold Unit 35 2 and 35 4 12 BUCKLE FOLD UNIT 35 2 AND 35 4 Description Mathias B uerle GmbH Components and operating elements of the fold units Noise cover Roller table Handwheel Adjustment for folding speed On Off switch Mm B WN 6 On Off button only on machines with two fold units Fold rollers Delivery shafts Ejector rollers Transfer bridge only for second fold unit and delivery A35 CoO we I 11 Fold plates fold unit 35 2 2 fold plates fold unit 35 4 4 fold plates Er AE ME 7 ie 37 Operator s Manual multipli 35 Buckle Fold Unit 35 2 and 35 4 Fold Plate Positions In fold unit 35 2 there are two positions for the fold plates In fold unit 35 4 there are four positions for the fold plates Position 1 Lat Position 2 Gr Z ZD WM Position 2 en YG CH
53. switch for pump ee _ Er ER pe Vo a neun on u FSt S u ac eee 2 _ sen y un eas 5 BEER Be Tee i 12 21 Operator s Manual multipli 35 Air Feeder S 32 Setti ng the Format CS The paper should be positioned in such a way that it is fed approximately from the center l e Loosen the knobs 1 by turning them counter clockwise Loosen the lock levers 2 by turning them counter clockwise They can be moved to a con venient position for tightening by lifting and then turning them e Set the left air guide to half the paper width with the help of the scale 3 e Tighten the knob and the lock lever of the left air bracket Place a paper stack of about 50 sheets on the feed table Slide the right feed guide 4 against the stack 8 Do not pinch the stack leave at least 0 5 mm between paper stack and 7 guide Tighten the knob and the lock lever of the right air guide 22 Mathias B uerle GmbH Operator s Manual multipli 35 Setting Sheet Separation Mathias B uerle GmbH Air Feeder S 32 Sheet separation is achieved by the combined action of the rotating suction drum the paper stop and the air Paper weight and type of paper have an influence on the setting Setting the air A suction drum 1 separates the sheets from the bottom of the paper stack This is achieved by the suction segment 2 inside the suction drum The angle
54. t gap with batch counting Display Total count Display Batch count active active LEDs for sheet feed and batch count indicate ready state Mathias B uerle GmbH Operator s Manual multipli 35 Counters Control of Sheet e With control of sheet gap without batch counting Gap Display Total count Display Batch count active inactive LEDs for sheet feed and control of sheet gap indicate ready state With control of sheet gap with batch counting Display Total count Display Batch count active active LEDs for sheet feed control of sheet gap and batch count indicate ready state Mathias B uerle GmbH 63 Operator s Manual multipli 35 Total Counter Permanent Counter 64 Counters The total counter which is integrated in the batch counter continuously shows the total number of folded sheets It cannot be switched off The display consists of 6 digits To reset the total counter when starting a job or a partial job push the keys in the following sequence Key Explanation The figure remaining in the display from the previo
55. t stack on the feed table and slide it under the feed and infeed rollers gt Position the stack in such a a gt way that the uppermost sheet is located under the feed roller Q Set the feeder to work position 2 tint Mathias B uerle GmbH Operator s Manual multipli 35 Air Feeder S 32 10 AIR FEEDERS 32 Principle of Operation Description Mathias B uerle GmbH The air feeder S32 is suitable for handling a wide variety of papers It separates uncoated paper as well as coated freshly printed or thin papers The sheets are separated by air and vacuum Air is supplied from the bottom of the stack both on the left and right side separating the paper in the stack which now floats on a cushion of air A rotating suction drum can then separate the sheets from the bottom of the paper stack This principle has the advantage that paper can be reloaded continuously There is no need to stop the machine Components and operating elements of the air feeder S 32 Rear paper stop Air guides left and right Feed table Front paper stop Knurled screw for locking the suction segment 6 Lever for adjusting the suction segment 7 Air regulating valves 8 Knobs for adjusting and locking the air guides 9 Suction drum Mm B WN 10 Hold down balls 11 Handle for adjusting and locking the air guides A 12 On off
56. tor the red and yellow LED may come on briefly This is normal and does not indicate a double sheet When a double sheet is detected while the machine is running the machine stops immediately LED display red LED is on green LED is on cS If the paper travel control ral was activated the green LED in this key may also come on N l e Remove the double sheet Press keyC LED display red LED goes out green LED is on CS Register belt and feeder start to work and transport the sheets which are still in the machine to the delivery section a e Press the paper travel control key when this LED is still flashing CS Re start feeding by pressing this key it 69 Operator s Manual multipli 35 21 TROUBLE SHOOTING GUIDE Mathias B uerle GmbH Problem see number Intermittent and irregular paper feed 1 2 3 Creasing 2 2 Several sheets fed together 10 11 12 Paper jam at the entrance into the fold plates 14 15 No feed 16 17 Out of square folds 19 Points 20 Fold variations 21 Folded sheets run into each other 25 Sheets not evenly fanned on delivery 26 Folder does not run 30 Sheet gap cannot be set although display indicates changes in sheet gap No Possible Cause l Guide bracket set too narrow 2 Gap between feed and pressure roller too narrow 3 Infeed roller pressure insuffic
57. uerle GmbH Operator s Manual multipli 35 18 TOTAL COUNTER Counters An optional total counter 1 s available for folder models multipli 35 F 35 S and 35 PBA Retrofitting at a later date is also possible The total counter permanently displays the number of folded sheets It cannot be switched off The display consists of 6 digits 2 The number shown can be reset by pressing the reset button 3 N E m 7 J m Te un Can a p J Gen e Gen ol O S 19 BATCH COUNTER Mathias B uerle GmbH Folder model multipli 35 PBA can also be equipped with an optional batch counter The purpose of this type of counter is to mark a pre settable number of sheets batch by creating a gap in the fanned delivery thus making it possible to separate the individual batches When removing the folded sheets from the delivery table the batches will contain the same number of sheets Machines with a batch counter are equipped with a special operator panel 4 where the following functions can be set Batch count Total count resettable Permanent count non resettable Speed display Pulsed feed control Sheet gap control Paper travel control at this time for the first fold unit only Streamfeed Double sheet detection Two photodetectors are positioned on the register table
58. unit F35 or F32 0 3 kW Ist fold unit PBA 35 0 4 kW 2nd fold unit roller table 0 4kW Pump 0 7 kW Ambient conditions Temperature 15 40 C Humidity 50 90 Net weight of machine 1st fold unit 35 2 F35 35 kg Ist fold unit 35 2 S32 45 kg Ist fold unit 35 4 S32 60 kg Ist fold unit 35 2 PBA 35 80 kg Ist fold unit 35 4 PBA 35 100 kg 2nd fold unit 35 2 transfer bridge roller table 70 kg 2nd fold unit 35 4 transfer bridge roller table 90 kg Standard fanned delivery Akg Fanned delivery A35 15 kg Transfer bridge 5 kg Pump 16 kg Stand for friction machines 39 kg Stand for suction machines 36 kg Stand for PBA machines 70 kg Stand for 2nd fold unit 23 kg Noise emission Sound pressure level multipli 35 2 S measured at feeder 83 dB A measured at delivery 82 dB A Sound pressure level multipli 35 2 2 S measured at feeder 80 dB A measured at delivery 77 dB A 6 Mathias B uerle GmbH Operator s Manual multipli 35 General 3 PROPER HANDLING OF THE MACHINE Mathias B uerle GmbH The machines of the multipli 35 folder line are built for folding paper They may also be used for perforating scoring slitting cutting and counting paper using the proper attachments They are unsuitable for handling other materials such as foils plastics and textiles The manufacturer distributor is not responsible for damages resulting from such unsuitable applications Responsibility lies alone with
59. us job flashes for approx 3 seconds Push the key again during this length of time The display shows 0 Cs The need for pushing key twice prevents erasing the count by accident The non resettable permanent counter which is integrated in the batch counter is important for the service technician This counter registers the total number of sheets which have been folded The display is not permanently visible it can however be called up by pressing a certain combination of keys Proceed as follows Turn off the main switch on the operator panel Simultaneously press keys and turn on the main switch at the same time Since both segment displays are used for the non erasable total counter 9 digits can be displayed This display means 2 567 345 sheets have been folded on this machine Turn off the main switch of the operator panel Now the permanent display goes out Mathias B uerle GmbH Operator s Manual multipli 35 Counters Setting the Batch Count Switching on the Batch Counter Setting the Desired Number of Sheets one up Setting the Interval Time Length of Sheet Gap Mathias B uerle GmbH For batch counting two settings are needed e the desired number of sheets per batch preselection the length of the gap between sheets interval Setting only one value will not enable batch counting The function of the batch count
60. ximately from the center Loosen the knobs 1 by turning them counter clockwise Loosen the lock levers 2 by turning them counter clockwise They can be moved to a convenient position for tightening by lifting and then turning them Set the right air guide 4 to half the paper width with the help of the scale Tighten the knob and the lock lever of the right air bracket Place a paper stack of about 50 sheets on the feed table Slide the left feed guide 3 against the stack lt Do not pinch the stack leave at least 0 5 mm between paper stack and guide Tighten the star knob and the lock lever of the left air guide Mathias B uerle GmbH Operator s Manual multipli 35 Setting the Sheet Separation Mathias B uerle GmbH Air Feeder PBA 35 Sheet separation is achieved by the combined action of the rotating suction drum the paper stop and the air Paper weight and type of paper have an influence on the setting Setting the air A suction drum 1 separates the sheets from the bottom of the paper stack This is achieved by the suction segment 2 inside the suction drum The angle of the suction segment with respect to the paper stop can be changed to suit the different types of paper Basic setting e By turning the handwheel move the suction drum 3 to such a position that a row of suction holes is in the uppermost position

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