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LIYU DMS FH3204, Operation Manuals

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LIYU DMS FH3204 Operation Manuals Download Page 30

 

 

 

 

 

 

 

Maschinenvertrieb

 

LIYU DMS GmbH 

 

www.liyu-dms.com   

30 

 

 

 

[email protected]

 

 

 

Air switch instructions in the above figure  

 

Position 

 

Instructions

 

Upper Air Switch 

 

Main power supply of the machine 

 

Lower Air Switch  

 

Power supply of infrared heating for the machine 

 

 

 

3.  Check whether the two “STOP” buttons on the left and right of the machine are 

turned on. 

 

 

4.  Press “POWER” button (right console) of the machine to start the machine. 

 

 

 

 

5.  The machine will carry out self test after starting. 

 

 

6.  The  carriage  will  stop  at  the  cleaning  position  on  the  left  after  the  machine 

completes self test. Now the power is on. 

 

 

7.  Then  turn  on  high  voltage  of  print  head  by  pressing  JET  VOLTAGE  button  and 

make sure that this button has been pressed before printing every time. 

 

 

Summary of Contents for FH3204

Page 1: ...OPERATION MANUAL Maschinenvertrieb 2880 dpi ...

Page 2: ...ndly scattered direct injection ink supporting the printing media with the maximum thickness of 0 3mm unless otherwise noted for special materials with printing breadth of 3200mm and feeding width of 3230mm The operational manual describes the features of the printer parts name information that should be known before using the equipment and the basic operation for instance how to switch on and off...

Page 3: ...achine models and consult machine parameters from the following table List of machine models Model Description FH3204 Equipped with four Konica 1024i print heads Details please refer to configuration table FH3208 Equipped with eight Konica 1024i print heads Details please refer to configuration table FH3206 Equipped with six Konica 1024i print heads Details please refer to configuration table ...

Page 4: ... refer to configuration instructions Maximum Breadth 3230 Maximum Resolution 720 x 1440 dpi Ink Type Scattered direct injection ink Color Profile K C M Y LC LM Drying Device Self innovated 0 6 KW infrared dryer Ink Supply System Automatic continuous ink supply with vacuum negative pressure Media Adsorption Optional table vacuum adsorption Table Pressure bearing 15 kg m2 Package Size 5220L x 1100W ...

Page 5: ... for printing colors shall be listed The number of print heads below refers to the number of color print heads Print head Type KM1024iMAE C 14 pl Number of Print head 4 6 8 Draft Mode 2PASS 106 m2 h 200 m2 h Working Mode 3PASS 78 m2 h 135 m2 h Precision Mode 4pass 61 m2 h 96 m2 h Important particulars The negligence of precautions mentioned below may seriously affect the working conditions of the ...

Page 6: ...onment please properly dispose of the waste fluid in accordance with the requirements of local environmental protection department 6 The auxiliary ink box filter ink pump air pump liquid pump refill tube and print head of the machine all belong to wearing parts and shall be replaced periodically as per the service condition Safety precautions To ensure that operators will properly use the equipmen...

Page 7: ...In the event of the following situations please switch off the equipment and contact the local dealer if necessary 1 The switch is insensitive or doesn t work 2 When the inkjet printer makes abnormal sound or produces smoke 3 When any metal object or liquid splashes into the electric control part of the equipment 4 When problems that operators fail to settle arise ...

Page 8: ...to guarantee the stable voltage and choose the famous brand products because inferior products may cause equipment fault or damage electrical component of the equipment including print head Inkjet printer 1 Don t place anything on the platform of the inkjet printer so as to avoid damages to print head 2 In case of any maintenance for the machine as regards electrical control please be sure to disc...

Page 9: ... configuration requirements 13 MACHINE UNPACKING AND FLOOR INSTALLATION 14 APPEARANCE NAME AND FUNCTIONS OF PARTS 17 Front view open state 20 Carriage view 21 Accessories figure 23 CONSUMABLES 24 Printing media 24 Ink and cleaning fluid 25 Maintenance tools 26 CHAPTER 2 BASIC OPERATION 27 MACHINE INSTALLATION 28 Accessories installation 28 SWITCH ON AND OFF 30 Switch on 30 Switch off 32 COMPUTER C...

Page 10: ... THE PRINT HEAD WITH INK 45 Install ink 45 Inject ink into the auxiliary ink tank 46 Inject ink into the print head 46 POSITIVE PRESSURE INK 48 NEGATIVE PRESSURE ADJUSTMENT 48 CHAPTER 3 SYSTEM FUNCTIONS 51 SYSTEM MOVEMENT FUNCTION 52 MEDIA POSITIONING 53 POLYSTER FABRIC PRINTING TEST 56 SUBLIMATION PAPER PRINTING TEST 58 CHAPTER 4 MAINTENANCE AND SERVICE 63 DAILY MAINTENANCE INSTRUCTIONS 64 PRINT ...

Page 11: ...his chapter Working conditions Working space Environmental requirements Computer configuration requirements Appearance name and functions of parts Front view Back view Front view open state Right view Carriage view Carriage interior view Accessories figure Consumables Working conditions Working space There must be enough space surrounding the inkjet printer so as to facilitate replacement of some ...

Page 12: ...irements Operation temperature and humidity The optimal working temperature and humidity of the equipment temperature 150C 300C humidity 40 80 Please try to keep the equipment working under the optimal working temperature and humidity otherwise the printing quality may drop Don t install the machine at the following locations In direct sunlight Location with vibration Dusty places Location with dr...

Page 13: ...ation of the product are as follows CPU CPU of four cores above 2 0 G Mother board High quality brand mother board with PCIe interface Display card Graphic display card with video memory above 1 G Memory Memory above 4 G Other CD ROM drive Hard disk Over 200 G room is left please use NTFS format as the hard disk format Operating system WINDOWS XP WIN7 Machine unpacking and floor installation 1 Cut...

Page 14: ...he fastening screws of the packing box five sides in total take down the side plate and top cap of the packing box The location of screws in red mark is shown in the following figure 3 Remove the fasteners at the bottom plate Four fasteners in total two in front and two at the back ...

Page 15: ...rklift above 5T is preferred to lift the machine to the ground with the forklift placed in the position as shown in red mark below The length of fork shall be 1 5 m 5 Screw out the four supporting feet red closer to universal casters to make universal casters green suspended ...

Page 16: ...pt level gauge with accuracy over 0 05 mm m to adjust the levelness of worktable within 0 05 mm m by screwing the supporting feet mentioned above Note During the adjustment process the swivel casters shall never touch the ground 7 Screw other supporting feet out to the ground ...

Page 17: ...om 17 info liyu dms com Appearance name and functions of parts Front view No Name Descriptions 1 Left Front Upper Cover Open it you can find the operation cleaning and maintenance area of print head also the stop over area for carriage during ideal ...

Page 18: ... Door Computer case is placed inside the door 8 Lower Right Front Door Open the door you can find weak current electrical cabinet with mother board ink supply slab and some weak current electric parts installed 9 Front Pressure Shaft Components Press cylinder up down button and the rubber roller underneath rises to fit upper robber roller when the button is bounced back it is in falling state The ...

Page 19: ...ressing ink button 3 Purging button 4 Negative pressure meter Back view No Name Description 1 Right Rear Door Open the door you can find ink tube support plate and ink route system 2 Openable Rear Shade Open it you can see ink tube support plate and ink route system convenient for inspection and parts replacement 3 Left Rear Door Open the door you can find ink tube support plate ink route system a...

Page 20: ... can see the power switch and pneumatic assembly 8 Clump weight and its Bracket The clump weight can be adjusted while printing on different media breadth weight and texture to ensure the printing effect 9 Inflatable shaft Push the shaft through the paper tube of the printing media and place it at the position as shown in the figure media feeding fastening device 10 Rear Door of Right Case Open th...

Page 21: ...of carriage are installed inside 2 Carriage The carriage includes such components as print head carriage circuits and purging and maintenance valves 3 Cross Beam Guide carriage is installed on the beam 4 Guide Guide the carriage scanning demanding regular cleaning 5 Right End Cap Electrical motor components in scanning direction are installed inside Carriage view ...

Page 22: ...ing for quite a long time 4 Two way Valve Body Assembly It is used to discharge the air in the print head 5 Carriage Plate Control the print head and realize the functions of relevant parts 6 Degassing Module Components optional for filtering the air in ink route 7 Subsidiary Pressure Tank UV lamp cable anti collision device cable and de staticizing device cable 8 Ink Impressing and Three way Valv...

Page 23: ...nnected with the ink nozzle of two different print heads through ink tube In the state of impressing ink to the print head unscrew the valve core underneath anticlockwise then ink and bubble will flow to the two way valve through ink nozzle of print head and discharge from the ink outlet beneath When you screw the valve core underneath clockwise the ink inlet of two way valve will be blocked Acces...

Page 24: ...lter every six months Consumables Printing media The common media for the inkjet printer include such media for advertising equipment as chemic fiber flag cloth chemical fiber back light box cloth and elastic fabric Please pay attention to the following matters as regards media purchase storage use and disposal Inferior medium may reduce the printing quality so it is suggested you select the high ...

Page 25: ...atly affect the printing quality and the service life of print head Please use the ink and cleaning fluid recommended by the manufacturer and pay attention to the following items at the same time Failure to use the ink as recommended may cause lowered printing quality or equipment damage The guarantee period of ink is six months in general calculated from the production date so please use the ink ...

Page 26: ... such basic movement as machine installation and operation Main contents in this chapter Machine installation Switch on and off Installation and adjustment of print head Installation of printing media Functions of keys and buttons Add ink and fill the print head with ink Positive pressure ink Negative pressure adjustment ...

Page 27: ...o console over beam as shown in the following figure 2 Install keyboard bracket keyboard support plate and monitor bracket on the console support in sequence use two M8 15 screws to fix the keyboard bracket to the console support then use five M5 12 screws to fix keyboard support plate to keyboard bracket and conduct leveling finally use two M8x15 screws to fix the monitor bracket to the console s...

Page 28: ...iyu dms com 3 Use M4 10 screws to fix the monitor on monitor bracket and place the keyboard and mouse on keyboard support plate and the routing is shown in the following figure 4 Tighten all the screws after adjusting keyboard support plate and monitor height ...

Page 29: ...electric socket left rear side of the machine with the other end directly connected to the industrial connector in grid distribution box Note The work must be done by professional electrician 2 Turn the corresponding two leakage protection switches on lower left electric cabinet to the position of ON Switch on the power you need as per the following instructions ...

Page 30: ...er the two STOP buttons on the left and right of the machine are turned on 4 Press POWER button right console of the machine to start the machine 5 The machine will carry out self test after starting 6 The carriage will stop at the cleaning position on the left after the machine completes self test Now the power is on 7 Then turn on high voltage of print head by pressing JET VOLTAGE button and mak...

Page 31: ...the print head of the machine is not working 2 Turn off high voltage of the print head of the machine 3 Turn off the power of all other parts of the machine 4 Press EMERGENCY STOP button of the machine 5 Turn off all the leakage protection switch on left electric cabinet Note Please make sure that you turn off high voltage of print head before switching off the machine power except in emergency ...

Page 32: ... can be plugged into any of the following slots PCIe X16 is downward compatible with PCIe X1 Fasten the PCIe card with clip or screw after plugging 2 Connect fiber optics and communication cable after installation of PCIe card With Direct connection of communication cables install and fasten with screws The connection of fiber optics and carriage plate shall be as following sketch 3 Power the comp...

Page 33: ...ouble click Just select the language as per your habit 5 Then continue installation of PCIe card drive according to system prompt Make sure that you have properly inserted the ICIe card and closed all the anti virus software before installation 6 If LiyuPCIeDrv Device can be found in computer device manager after installation it shows the device has been properly installed ready for use Installati...

Page 34: ...lease omit the illustration of print head installation Print head description There is print head identification on every package of print head with the specific contents described as follows Print head identification KM1024iMAE C K Konica M 14pl 1024 1024 nozzles in one row i refers to high speed printing head MAE water borne head E type outline C 000173 serial number of print head 1LA 5 4V 1LB 4...

Page 35: ...t head installation 1 First install the bottom plate of print head onto the machine and place clean non woven fabrics under the bottom plate of print head so as to avoid soiling nozzle panel or blocking nozzle during print head installation process 2 Remove the packing of print head according to the order below and take down the protection cover under print head the protection cover is used to pro...

Page 36: ...Maschinenvertrieb LIYU DMS GmbH www liyu dms com 36 info liyu dms com Print head placement Fastening screw and adjusting screw ...

Page 37: ...way valve body The print head bottom plate is equipped with ink tube required before the machine leaves the factory Because the ink tube may be linked together to prevent from dust contamination you need to cut off at a certain proper position Refer to LiyuPrint software specification for detailed calibration method for print head Electrical connection 1 Installation position and the corresponding...

Page 38: ... 1 and the serial number of the front row installed on print head bottom plate is 2 The upper row is the spare channel 2 The electrical connection of print head is relatively simple Just connect the driver board of print head to print head connection wire with 50PIN connection cable attached Pay attention to the interface direction during connection As shown in the following figure ...

Page 39: ...ertrieb LIYU DMS GmbH www liyu dms com 39 info liyu dms com Installation of printing media Installation of coil medium 1 The installation of coil medium is shown in the following figure the medium is in red mark ...

Page 40: ...oller down while installing the medium The installation requirements are medium installation shall not deviate the tension in the horizontal direction of the medium shall be consistent after being fixed at the take up shaft 3 Select clump weight of proper quantity in the light of different media ...

Page 41: ...OWN Control up and down movement of rubber roller during take up The rubber roller falls while installing media and rises while printing TAKE FORWARD Take up start button for take up button Automatic take up starts after pressing the button which must be on during printing TAKE REVERSE Feeding start button for take up button Automatic feeding starts after pressing the button JET VOLTAGE High volta...

Page 42: ...frared heating system can control the heating temperature after setting the proper temperature Zone control of infrared heating system There are three fan switch buttons at the lower right side of infrared heating system in joint control of 12 rows of fans You may decide the quantities of fans on according to your needs SW 1 Button Control the 3 rows of fans at the far left SW 2 Button Control the...

Page 43: ... as follows ANTI DIRECTION Diversion button of feeding motor The motor is diverted after pressing the button FEED FORWARD Feeding button of feeding motor The motor starts feeding after pressing the button FEED REVERSE Take up button of feeding motor The motor starts take up after pressing the button Add ink and fill the print head with ink Install ink Open the cabinet door of ink route on the left...

Page 44: ...ain ink box into auxiliary ink tank When all the ink pumps stop working it means all the auxiliary ink tanks have been injected with ink The transient buzzer sound during the process may be resulted from rather long ink pump route and timeout In the event of ink pump not working or prolonged alarming of buzzer please switch off the machine in time and examine In case of failure to settle the probl...

Page 45: ...g operation is conducted for only one print head every time with valve body of other print heads off 2 First of all put the corresponding three way valve in working state and at the same time place pneumatic three way valve body in positive pressure state 3 Unscrew the corresponding two way valve core to ensure smooth ink outlet Press positive pressure button and impress ink from the auxiliary ink...

Page 46: ...flowing smoothly Wait for two seconds and wipe the nozzle surface with clean non woven fabrics Negative Pressure Adjustment Since negative pressure is an important factor for guarantying print quality the operation of its adjustment is crucial The target of adjustment is to make ink form meniscus in every nozzle printer As long as sound meniscus is maintained we can assure that ink droplets are ej...

Page 47: ...tput status of current OUT1 and OUT2 4 Button Operation Area MODE mode setting Up and down keys are used to set value or turn pages Note Please refer to Appendix 1 or browse vacuum pressure gauge instructions for the detailed operation of vacuum pressure gauge Vacuum Negative Pressure Adjustment Relevant parameters of the machine have been set before leaving the factory however fine adjustment may...

Page 48: ...dix 1 The vacuum pressure gauge shows normal negative pressure The Pressure gauge shows Lo_1 and its current setting value Adjust its into calculated the one value following the above said method by using the up down arrow The Pressure gauge shows Hi_1 and its current setting value Adjust its value into the calculated one The Pressure gauge shows P_2 and its current setting value Adjust its value ...

Page 49: ...ms com Chapter 3 System Functions Contents of the chapter System movement function Media positioning Automatic detection Polyster fabric printing test Sublimation pater printing test For more details please refer to LiyuPrint Operation Manual for software operation ...

Page 50: ...on X axis again and precisely detect the vacant location Software reset LiyuPrint software contains system reset button allowing users to reset the equipment if necessary Pressing reset button will make X axis seek vacant location similar to X axis power on reset again The following two buttons marked are reset buttons Manual movement Manual movement of X axis and Y axis Manual movement of X axis ...

Page 51: ...in LiyuPrint main interface Origin orientation Origin orientation function can locate the printing media position according to the coordinate of X axis thus realizing accurate positioning printing The coordinate origin is the original 0 point that is to say the carriage stops at the right most position of X axis however we usually don t start printing from the original 0 point Therefore this value...

Page 52: ...e of the carriage by getting the position on certain axis on the interface after moving the carriage to the corresponding position and the coordinate acquired from operation is also relative to the original 0 point position Automatic detection Select media origin in dialog box origin setting as the origin orientation type and then select the quantity of materials to be detected up to 6 portions of...

Page 53: ...after successful detection there are two methods for positioning after detection 1 Switch positioning method to carriage origin and fill in the corresponding origin location through the position and breadth of materials obtained 2 Select the image position and print directly in the current interface Here are three typesetting modes provided namely boundary printing central printing and user define...

Page 54: ...position 介质边界 Media boundary 居中 Central 自定义 User defined 小车定位原点 Carriage positioning origin Polyster fabric printing test Printing process 1 Use the corresponding model with RIP software to RIP an image file 2 Open the image file after RIPPING by open operation in LiyuPrint software ...

Page 55: ...number of copies printed in horizontal and vertical direction as well as whether mirroring or interpolation print mode is required Vertical copies Horizontal copies Mirror mode Interpolation printing 1 1 No mirror NO 5 Select image print origin mode or manually locate the trolley to the corresponding position of medium 6 Select the image click on the print button or right click and then click on p...

Page 56: ...uPrint Operation Manual for specific configuration and operation Sublimation paper printing test Printing process 1 Unlike polyster fabric printing you will use M4x10 bolts eight in total as shown in the circles below to install working table plate on the profile bedplate before installing the media and install the media in the central position of the machine as shown in the figure 2 Open the lowe...

Page 57: ...ions Parameter setting For instance Modify C03 10 0 20 5 Keys Panel readouts Description C00 04 Press and display the first basic parameter C00 04 C03 03 Rotate clockwise and select the parameter C03 C03 03 Press and select parameter number C03 10 Rotate clockwise and select the parameter C03 10 ...

Page 58: ...ange the parameter value with the decimal part equal to 5 000 5 Press and move to integral part 020 5 Rotate clockwise and change the parameter value with the integral part equal to 20 END Press to confirm parameter value setting and save as 20 5 Forward and reverse display status shows Determine forward and reverse condition as per setting value as shown in the following table Setting value Opera...

Page 59: ... equal to or greater than zero indicates the inverter will run forward at sometime in the future Second case the fourth line in the table means the current inverter is running reverse and the setting value equal to or greater than zero indicates the inverter will run forward at sometime in the future 3 Inverter setting has been completed before leaving the factory You just need to press fan button...

Page 60: ...nenvertrieb LIYU DMS GmbH www liyu dms com 60 info liyu dms com Chapter 4 Maintenance and Service Contents of this chapter Daily maintenance instructions Print head maintenance instructions Ink use guidelines ...

Page 61: ...ined clean No residual ink dust or fiber is allowed Orifice shall not be scratched 8 Since the ink and the cleaning fluid contain strong solvent they mustn t contact electrical components and wires Were ink or cleaning fluid spilled on them accidently they would be wiped off cleanly as soon as possible 9 Clear liquid waste in the liquid waste box in time 10 Every day before the startup and shutdow...

Page 62: ...h the wet protection tray according to method 2 In addition replace non woven fabrics in the wet protection tray every three days and inject new cleaning liquid into it 3 Scrubbing the nozzle panel Every time when pressing ink with positive press or after cleaning the printhead scrub the nozzle panel Wipe away residual ink and cleaning liquid on the nozzle panel to prevent it droping onto the prin...

Page 63: ... with sound ventilating device and personal protective devices When dealing with ink acrylic gloves and work clothes should be worn If ink spills onto the skin it should be washed immediately with soap suds Eating drinking and smoking are forbidden in the workspace 3 Storage of ink Ink should be stored in sealed containers and placed in a cool dry place with good ventilation free from exposure to ...

Page 64: ... www liyu dms com 64 info liyu dms com Appendix I Operation Instructions for BXS Developing Machine I Developing machine introduction II Use precautions III Parameter table of developing machine IV Operation panel V Operation process ...

Page 65: ...inking ratio Never use the machine in the places with water or corrosive ignitable gas or close to flammable materials Never use the machine when the wires are immersed in oil or water Neither connect wires nor operate the machine with wet hands Don t share the power supply with other equipment The machine shall use a separate power supply When the machine is in operation never touch such high tem...

Page 66: ...cy stop control 4 Heater Start heating 5 Coloration Start coloration function 6 Power Start the machine 7 High Low Manual control of lifting rod 8 Take up Manual switch of forward and reverse for take up motor V Operation process Machine power on 1 Please connect the power cable socket with the machine with another end of power cable connected to power grid brown wire to L line blue wire to N line...

Page 67: ...switches the upper one in control of main engine and the lower one in control of heating Never touch the connection terminals during operation so as to avoid electric shock 3 Check whether emergency stop button of the machine is switched on and press POWER to start the machine Operation Manual of FH Series Digital Printing Inkjet Printer ...

Page 68: ...ng methods for developing machine Feeding diagram is shown as follows Independent work before power on properly place the developing machine by fixing four supporting feet at the bottom of the machine Materials shall be placed at the middle position between the two rubber rollers Ensure the materials are tidy and flat during feeding Linkage with developing machine properly place the developing mac...

Page 69: ...perature 2 Adjust the set temperature by temperature controller and take up motor speed by digital display panel according to the features of ink and materials 3 As to developing machine in independent work press the yellow button shielding detection sensor in the electrical cabinet In case of linkage work between developing machine and direct injection machine don t press the yellow button ...

Page 70: ... developing machine will present automatic operation upon pressing the button with the coloration start function manual operation not needed After completing coloration of all materials switch off coloration button and heating button then emergency stop button Process description Process for independent work Press coloration button Lifting rod rises to the highest point Take up motor is running Co...

Page 71: ...ect injection machine Adjusting method turn the rotary knob of time delay relay in electrical cabinet from 0 to 60 minutes Press coloration button Sensor detects materials Lifting rod rises to the highest point Take up motor stops Take up motor is running Coloration starts Lifting rod descend to the lowest point T minute delay adjustable Yes No ...

Page 72: ... com 72 info liyu dms com Appendix II Setting method of Panasonic DP 101 digital vacuum pressure sensor VI Specific setting of vacuum pressure gauge VII Adjustment of vacuum pressure VIII Setting parameter values for the machine IX Attached table ...

Page 73: ...pressure gauge and some value will be shown on its screen 3 Press both and buttons for over 2 seconds at the same time and the main display will show the value 0 0 Calibration of reference pressure has been completed B Working mode The negative pressure gauge always display RUN Mode while Menu Setting Mode is used for basic setting and PRO Mode is used for advanced functionalities Under RUN Mode r...

Page 74: ...r response time setting and set default time as 2 5 The picture below shows the display interface of the negative pressure gauge 6 Press MODE button to enter color conversion setting of the main display and choose the color of main display through and buttons The picture below shows the display interface of the negative pressure gauge 7 Press MODE button to enter unit setting The default unit of n...

Page 75: ...sed on the ink feeding system during normal operation Note 1 Above values are common used setting values Specific values may be sort of different 2 The instantaneous display of pressure gauge at its being energized is not in measuring status but as follows It means that the pressure gauge will enter the working state after being energized for 5 seconds II Adjustment of vacuum negative pressure val...

Page 76: ...n method of setting value for negative pressure gauge A Differential mode Press MODE button to enter setting state and the secondary display shows Lo_1 once and then the value of Lo_1 Adjust the value by pressing or button Continue to press MODE to enter setting state of Hi_1 and the secondary display shows Hi_1 once and then the value of Hi_1 Adjust the setting value of Hi_1 by pressing or button...

Page 77: ...Maschinenvertrieb LIYU DMS GmbH www liyu dms com 77 info liyu dms com ...

Page 78: ... liyu dms com III Setting parameter values for the machine Negative pressure value is generally adjusted between 2 5 and 2 7 and the specific value may vary slightly on the basis of local season and climate Customers should make minor adjustment as per needs ...

Page 79: ...rights reserved LIYU DMS GmbH has the right to make any modifications to technical descriptions and contents herein without prior notice and will not be liable for loss including subsequent losses incurred by depending on contents herein including printing errors wrong calculations and mistakes in tables ...

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