JD JDL-420 Series Manual

Multi-functional rotary web press

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Summary of Contents for JD JDL-420 Series

Page 2: Table Of Contents
Content Preface…………………………………………………………………………………………（2） I Summary………………………………………………………………………………………（6） II Safety instruction………………………………………………………………………（9） III Installation……………………………………………………………………………（12） IV Unwind--Feeder……………………………………………………………………………（16） V Offset printing unit………………………………………………………………………（21） VI Offset printing water and ink uints…………………………………………………（25） VII Cold foil unit …………………………………………………………………………（52） VIII Die cutting unit………………………………………………………………………（55） IX Matrix unit…………………………………………………………………………………（65） X Rewind unit……………………………………………………………………………………（69） XI Lubrication system…………………………………………………………………………（74） XII Maintenance………………………………………………………………………………...
Page 3: Preface
Preface This manual is an operation manual about Jiangxi Zhongjing Group JDL-420 multi- function web printing machine. The control process of accessories and third-party equipments is only for reference, such as electrical control, sample table, alcohol box, bending plate machine, laminate machine, UV and water cooling equipment. 【Notes on special security】...
Page 4 3、 Notes on starting, operation, maintenance (1)The machine must be used by operators who are specially trained and specialized in rotating trademark printing machines. （2）All operations and maintenance on the central console, machinery, electrical appliances and third-party equipments must only be performed by persons who are fully familiar with the operation, maintenance and repair of the machine and who are aware of the danger.
Page 5 ⑴、The use includes complying with operation and maintenance instructions provided by the manufacturer, which also applies to external parts and third-party equipments. ⑵、All operations on central consoles, machines and third-party equipments can only be performed by personnel who are fully familiar with the operation, maintenance and repair of the machine and who are aware of the danger.
Page 6 Warning sign Watch your High surface fingers temperature Rotating Don’t look sharp directly objects Dangerous Electricity...
Page 7: I Summary
I Summary 一、Use JDL-420 model series continuous PS plate composite trademark printing presses are suitable for printing adhesive, coated paper, cardboard, aluminum foil and plastic film. The machines adopt unit type modular combination, which can be used in 4-8 color printing. Each unit can be chosen any printing methods in offset, flexo, screen, and cold foil.
Page 8 Main machine size(length*width*height) 13000X2220X2280 Net weight Offset printing units 2270Kg/unit Unwinding unit 1400Kg Die cutting and matrix units 1350Kg Rewinding unit 920Kg Cases size Offset printing units 2380X1850X1900 Unwinding unit 2585X2370X1900 Die cutting and matrix units 2380X1850X2300 Rewinding unit 2380X1850X1300 Control table 1800X900X2000 Main power cabinet...
Page 9 by servo motors separately. Offset plate rollers, blanket rollers, impression rollers, ink and water are all been driven by the servo motors, which is stable operation and high precision. It can reduce ink bar without gears. 5. Automatic registration system, especially for more than one unit, registration system is better than others.
Page 10: Safety Instruction
II Safety instruction 一、Safety instruction 1. The printing press shall be operated and used by trained professionals. The installation and commissioning of the machine must be carried out by our own specialists or by our authorized specialists. 2. For your safety and the protection of the machine, please read the instructions in details before using the machine.
Page 11 6. Modification, addition or replacement of any devices that may affect safety is forbidden. 7. Spareparts must be purchased in accordance with the technical requirements specified by the manufacturer or authorized manufacturers 8. Software programs of control systems are prohibited to change. If changing, our company shall terminate any liabilities immediately.
Page 12 11.The filter of the ventilation system must be kept clean. Otherwise, the function of the system will be reduced, and the air flow to the heating element will be reduced, which may cause overheating or fire. 12.The temperature of UV lamp tube and oven cover shell is high, watch out for scald.
Page 13: Installation
III Installation 一、Working environment, transportation and storage requirements The operating environment of the machine has an important influence on the quality of printed materials. A good operating environment can reduce the occurrence of faults. The installation and use environment of the machine shall conform to the requirements of the production of web printing machine.
Page 14 If the machine is installed upstairs, the bearing capacity of the building must not be less than 2 T/m².The machine seat must pass through a load-bearing beam. The weight of the load-bearing beam is calculated by multiplying the weight of the machine by 1.2 times (load coefficient).
Page 15 and tighten the terminal screws of all components and terminal rows before turning on the power. 2.Before test run, all parts of the machine shall be fully inspected for connectors, fasteners, fastening screws, tapers, opening pins, Stoppers, etc., to prevent accidents caused by loose or falling parts that may occur during transportation.
Page 17: Unwind--Feeder
IV Unwind--Feeder 一、Overview of the structure Unwinding unit Lifting arm Support bearings Unwinding gas fluctuation shaft Unwinding lift arm lift/drop button Scrolling edge operation screen Sheet laying table Unwind-feeder operation screen Feeder 10 Control paper adjustment 11 Emergency stop wires and cables 12 Air gun 二、Unwinding unit 2.1 Lift Arm and air cylinder...
Page 18 2.3 Unwinding main motor belt tensioning 1. adjusting screws 2. circle-arc tooth Synchronous belt Keep the arc tooth synchronous belt tight during running by adjusting the screw so as to ensure the best running state. 2.4 Unwinding drive belt tensioning 1.
Page 19 2.6 Scrolling edge control and sheet laying 1.Scrolling edge operation screen table 2.Edge control roller 3.Cut line 4. Sheet laying table The paper edge can be adjusted by scrolling edge control. Place the paper roll in the middle of the printing unit when entering the printing unit to begin printing.
Page 20 2.8 unwinding unit paper route Rotate the inner rings of the two bearing bearings so that the release button is aligned with the mark point, press the release button, push the inner rings to the outside and take down the gas fluctuation shaft, and let airbag release.
Page 21 三、Feeder 3.1 Summary 1 Unwinding/feeder operation Panel 2 Feeder unit Feeder unit follows the unwinding unit, and feeder unit ensures that scroll remains stable and unchanged during printing. Through unwinding / feeder operation panel, you can set up various functions of unwinding/feeder, such as turn on/off, setting the scroll diameter, tensioning and etc.
Page 22: Offset Printing Unit
V Offset printing unit 一、Composition of offset printing units 1、Frame (driving side) 2、water and ink unit 3、Frame (operating side) 4、Plate roller bridge 5、Common platform 6、Blanket roller bridge 7、Regulating handle 8、 operating handle 9、Operational panel 10、plate cylinder 11、blanket cylinder 12、 impression cylinder 13、Coloring device 二、Replace blanket cylinder 2.1 steps...
Page 23 1）Select the cylinder exit key on the operating panel 3. At this time, plate roller bridge and blanket roller bridge move to the printing "0" point position. 2）Turn the operating handle 2 counterclockwisely to the right swing arm 1 completely out of the state. 3）Turn the right arm 1 clockwisely to the lowest point.
Page 24 the outer circle beating after the cylinder is on the machine, resulting in an impact on the quality of the product. 三、Replace plate cylinder The process is similar to replacing blanket cylinder. 四、Cylinder parallelism and pressure adjustment 1、The front adjusting handle 1 adjusts the parallel and printing pressure between the plate cylinder and the blanket cylinder.
Page 25 五、Offset printing pressure setting 1.Before printing, according to the material thickness, you can find the paper thickness setting menu at the PMC management center and enter the thickness. This value is applicable to all units. 2.According to the actual printing effect, if you need adjust the printing pressure as a whole, you only change the thickness data.
Page 26: Offset Printing Water And Ink Uints
VI Offset printing water and ink uints 一、Summary Fig.1-1 Water and ink unit The water and ink unit in offset printing (ink transfer and dampening device) is installed as an independent module on the slider of the linear guide rail at both ends of the offset printing platform, and can be moved back and forth with the slider on the linear guide rail.
Page 27 speed offset printing, thus ensuring the printing quality and printing stability of under high speed offset printing. It is equipped with an ink roller cooling device. Cooling water can be used to control the ink roller and ink temperature, which is in the inner cavity of the ink roller and the 2nd and 3rd ink roller cores.
Page 28 （8）Compared with the traditional ordinary offset ink, UV ink balance tolerance is narrower, it is easy to cause ink emulsification, dirty plate, etc.. Especially at the beginning of printing, the supply of UV ink in the ink ductor is not very smooth, and then ink is gradually increased.
Page 29 （2）Remove the ink knife, use a deep cleansing ointment on the cleaned ink roller for deep cleaning, then start the machine to make the ink roller running for 3 to 5 minutes, the deep cleaning cream can clean the stubborn ink wax. （3）Then spray the calcium removal agent on the ink roller, start the machine to make the ink roller running for 3 to 5 minutes, so that it is fully mixed with the cleaning cream on the ink roller.
Page 30 Name Drawing No. Diameter(mm） Material Remarks φ 70 Ink fountain B1-1203-05/0 Metal 号 roller φ 57 B1-1204-03/0 Rubber distributor roller φ 67.8 Ink vibrating B1-1205-02/0 Plastic roller Rider roller B1-1206-12/0 φ 52 Rubber φ 52 Rider roller B1-1206-03/0 Rubber φ 50 Rider roller B1-1206-10/0 Plastic...
Page 31 Fig. 3.3.1 Installation of Rider roller 8 Installation Method: See Fig.3.3.1, Loosen the locking bolts on the fixed support seats on both sides, and load the adjusting eccentric sleeve on the shaft heads of the rider roller into the fixed support seats on both sides respectively, then adjust the rider roller parallel to ink vibrating roller, and tighten the locking bolts on both sides of the fixed support seats., Both ends of the rotation adjust the eccentric sleeve to tighten the screw into the ring groove and tighten it firmly.
Page 32 Installation Method: See fig.3.3.2, Loosen the locking bolts on the fixed support seats on both sides, and load the adjusting eccentric sleeve on the shaft heads of the rider roller into the fixed support seats on both sides respectively, then adjust the rider roller parallel to ink vibrating roller, and tighten the locking bolts on both sides of the fixed support seats., adjusting the eccentric sleeve with the screw into the ring groove and tightening firmly at both ends...
Page 33 3.3.4、Installation of ink distributor roller 2 Fig.3.3.4 Installation of ink distributor roller 2 Installation method: see Fig.3.3.4, Loosen the fastening screws on both sides of the ink swing rod, and load the two ends of the ink distributor roller into the inner holes of the two sides, then adjust the parallel of the ink distributor roller and the ink vibrating roller, tighten the fixing screw of the control side ink distributor rod, tighten the screw on both sides.
Page 34 roller needs to be the same), and the locking screws on both sides of the plate swing support are loosened. The fixed sleeves at both ends of the plate roller are respectively loaded into the inner holes of the swing supports on both sides. The adjustment of the plate roller is parallel to ink vibrating roller.
Page 35 3.3.7、Installation of metering roller 14 and gear protection cover Fig.3.3.7 Installation of metering roller 14 Installation Method: See Fig.3.3.7, Remove the bearing support cover on both sides of the machine and install the two ends of the metering roller in place (the side of the gear on the metering roller is the operating side).
Page 36 The adjustment of the ink rollers and the water rollers shall be made at normal room temperature, and it must be ensured that the adjusted rollers are parallel to each other. The ink rollers and the water rollers should be adjusted before it is put into operation and after a long period of use.
Page 37 Installation method:See Fig.4.2.1, Apply a light ink(such as yellow ink) on the ink roller, start the machine to let the ink evenly; After the ink is well and stop the machine. Dot the machine again to view the indentation width left on the roller. The indentation width between the rider roller 4 and ink vibrating roller 3 is 5mm, and the indentation width is uniform and consistent in the length direction.
Page 38 the form inking roller 11 and ink vibrating roller 12 is required to be 4mm, and the indentation width is uniform in the length direction. If the indentation width does not meet the requirements, the adjustment device at both ends of the ink roller 11 needs to be adjusted.
Page 39 not meet the requirements, adjust the adjustment device at both ends of form inking roller 10. When adjusting, stop running the machine to ensure that the machine does not accidentally start. Loosen the locking screws on the swing supports on both sides of the form inking roller 10, rotate and adjust the eccentric position of the adjusting eccentric sleeve at both ends of form inking roller 10 (if the positive rotation indentation widens, the reverse rotation indentation narrows), and review the...
Page 40 When adjusting, stop running the machine to ensure that the machine does not accidentally start. Loosen the locking screws on the swing supports on both sides of the form dampening roller 13, rotate and adjust the eccentric position of the adjustable eccentric axis at both ends of form dampening roller 13 (if the positive rotation indentation widens, the reverse rotation indentation narrows), and review the indentation width, Until the indentation width meets the requirements.
Page 41 position of the eccentric sleeve (if the positive rotation indentation widens, The reverse rotation indentation becomes narrower; At this point, the core shaft of the form dampening roller will rotate together with the eccentric sleeve of the roller), and the indentation width will be reviewed until the indentation width meets the requirements.
Page 42 the form inking roller core shaft will rotate together with the eccentric sleeve of the roller), review the indentation width until the indentation width meets the requirements. After the adjustment is completed, the fastening screws on the eccentric sleeve must be tightened on both sides. The fastening of the eccentric sleeve and the form inking roller coiling shall be firmly fixed 4.2.7、Fine adjustment of the pressure between the form inking roller 10 and the plate cylinder...
Page 43 eccentric sleeve must be tightened on both sides. The fastening of the eccentric sleeve and the form inking roller coiling shall be firmly fixed. 五、Dampening system adjustment The dampening system includes water storage pan, water fountain roller 15, metering roller (Chromium roller) 14 and form dampening roller 13, etc.. The liquid in the water storage pan is output through water fountain roller 15, under the control of metering roller (Chromium roller) 14, a thin and uniform moistening film is formed and then passed to the form dampening roller 13.
Page 44 When connecting / disconnecting handle is facing up, the contact between metering roller 14 and water fountain roller 15 is disconnect. When connecting / disconnecting handle is facing down, the contact between metering roller 14 and water fountain roller 15 is continue. Note: When switching the contact connection between the metering roller 14 and the water fountain roller 15, it must be ensured that the water fountain roller 15 is wet, that is, there must be liquid in the water storage pan.
Page 45 fountain roller 15, it can be seen that the water fountain roller 15 transmits a clear wet water film from the water storage pan. Counterclockwise adjustment of both sides of the roll adjustment screw to make 15 contact between the metering roller 14 and the water fountain roller 15.
Page 46 When adjusting, loosen the fastening screw on the threaded lock blocks at both ends, use a 6mm internal hexagonal wrench to rotate the internal hexagonal long adjusting screw device at both ends of the adjustment(clockwise rotation indentation becomes narrow, and increase water. The counterclockwise rotation indentation widens, and reduce water).
Page 47 Note: During the removal and installation of the water storage pan, be careful not to bump or scratch water fountain roller 15. Fig.5.4 clean water storage pan 六、Ink agitator Fig.6 Ink agitator In high-speed printing, in order to ensure that the ink fountain roller can supply ink uniformly and stably, the ink agitator must be turned on to stir the ink in the ink tank.
Page 48 and automatically positioned horizontally above the ink tank. At this point the ink agitator's bottom end will extend into the ink. On the control touch screen to open the ink stirring button, ink agitator's mixing rod is in the ink tank to go back and forth.
Page 49 Method of liquid in water storage tank, see Fig.7.1 （1）Close the air intake switch and turn on the exhaust switch(ball valve), Observe the barometer and wait for the pressure in the tank to fall back to "0" kg （2）Unscrew the locking screw on the cover of the liquid storage tank and remove the cover of the liquid storage tank.
Page 50 In the process of automatic ink washing, by adjusting the opening size of the switch on the water pipeline, the amount of water sprayed by the water spray pipe can be controlled. Automatic ink washing action and sprinkling time setting and other methods, for details, see the "Machine Electrical Use Manual"...
Page 51 the wash-bath scrapper to the appropriate height, re-tighten the six fastening screws of the wash-bath scraper according to the contact situation of the wash-bath scrapper and the toner. When adjusting the height of the blotting film, ensure that the height of the two ends of the blotting film is the same. 八、Use and Maintenance of Alcohol Circulating Refrigeration Water Tank(including Intermediate Box) When connecting and using an alcoholic cycle refrigeration tank (including an...
Page 52 water cooler, and open the long-handled ball valve switch on the cooling water pipeline(including water intake and exit) connecting the water cooler and the ink roller. The specific operation and maintenance methods of the water cooler are described in the "Instruction for the Use of the Water cooler". 十一、Others 1.The use of the ink module function operation button, for details of the "Machine electrical use instructions"...
Page 53: Cold Foil Unit
VII Cold foil unit 一、Summary 1 Emergency stop wires and cables 2 Offset unit 3 Waste stripping roller 4 Offset unit operation panel 5 Hot cold roller bracket 6 Unwinding operation panel 7 Horizontal control roller 8 Cold foil rewinding gas fluctuation axis 9 Cold foil rewinding unit 10 Cold foil unwinding gas...
Page 54 三、Cold foil rewinding and unwinding unit The adjustment of the position of cold foil rewinding and unwinding bracket 1 Straight Slide 2 Adjustable grip Cold foil rewinding bracket Cold foil unwinding bracket Unscrew adjustable tightness handles, manually move cold foil rewinding and unwinding roller supports on the straight slide rails so that they are in the appropriate position.
Page 55 3.4 Paper route of cold foil unwinding and rewinding...
Page 56: Die Cutting Unit
VIII Die cutting unit The die-cutting position is located in the penultimate third position of the printing line, in front of the matrix unit and the rewind unit. The die-cutting position has two die-cutting unit mounting bits, and the die-cutting pattern you can be completed by die-cutting.
Page 57 Die-cutting cylinder axial ±1mm registration Lubricating grease die- Lithium-based lubricating grease consistency cutting unit grade 2 Lubricating oil for gearbox Mobile gear 629, ISO VG 150...
Page 58 一、Die-cutting cylinder The die-cutting cylinder assembly consists of magnetic die-cutting cylinder, axial adjustment device, die-cutting gear and bearing seat, etc.. 1.1 Magnetic die-cutting cylinder is the installation position of the die-cutting tool. There is a clear side busbar on the outer circle of the cylinder. It is the benchmark for tool installation.
Page 59 roller pillow is tangent to the die-cutting magnetic roller pillow to form a gap of 0.48 mm for the installation of the die-cutting tool. 2.2、The cutting board cylinder is fixed in the die-cutting unit. It depends on the bearing seat and driving roller at both ends to limit it. During use, the bearings in the bearing seat at both ends must be lubricated regularly.
Page 60 三、driving roller 3.1、The driving roller is the source of the die-cutting cylinder and the cutting board cylinder positioning and power. It forms a connection with the servo motor through the gearbox, and controls the gear transmission moment and direction of the side end to the die-cutting cylinder and the cutting board cylinder gear.
Page 61 四、Die-cutting frame assembly 4.1、The die-cutting frame assembly is the framework for the installation of the entire die-cutting unit and provides positioning and constraints for all components installed on the frame. 4.2、The axial displacement of the long and short guide bar can be realized by rotating the exposed handle, so that the pressure mechanism component can be loaded and locked.
Page 62 五、Pressure mechanism component 5.1、The main role of the pressure mechanism is to complete the installation and disassembly of the die-cutting cylinder and the cutting board cylinder, and to provide a stable cutting pressure to the die-cutting cylinder during work. The installation and disassembly are achieved by connecting two screws ①...
Page 63 六、Safety cover assembly 6.1、The safety cover is connected to the die-cutting frame through a sliding track. There is a safety switch at the end of the safety cover. When the cover is open, the switch is disconnected. At this time, the device can not start working.
Page 64 Installation steps of die-cutting cylinder Step I 1.1、Assembly the serial numbers 1 and 2 to the ends of the die-cutting cylinder 1.2、Fasten screw in end face of part 1 to die cutting drum with a hexagonal wrench Step II 2.1 、 Connect the pressure mechanism to the die cutting cylinder with two screw 3 2.2、Use lifting equipment 5 to lift components 2.3、Adjusting screw cover 4 to make the die cutting...
Page 65 Step IV 4.1、When the die-cutting unit is working, the axial position of the die-cutting cylinder can be adjusted by rotating the pull plate sleeve 12; Pressure screw 11 can adjust the cutting pressure. The installation steps of the cutting board cylinder are the same as those of the die- cutting cylinder.
Page 66: Matrix Unit
IX Matrix unit 1 Summary 1 Matrix/UV operation panel 2 Emergency stop wires and cables 3 Die-cutting unit 4 Matrix unit 5 Static Screen Observing System Operation Panel 6 Waste collection support 2 Matrix Unit 2.1 Summary 1 Matrix unit operation panel 2 UV operation panel 3 Static Screen Observing System Operation Panel...
Page 67 Waste belt stripping roller 1 Anti-stick roller 2 Stripping roller 3 Adjusting support 4 Adjustable grip The most commonly method for the removal and disposal of waste belts is to remove them from the material. The stripping roller is used to peel the waste belt from the material after die-cutting.
Page 68 Emergency stop 1. Emergency stop wires and cables Emergency stop wires and cables are installed at the lower end of the machine's operating side. If the operator wants to stop the entire machine, it will be activated. Matrix unit paper route 3 Waste collection support 3.1 Summary 1 Waste collection control roller...
Page 69 3.2 Waste collection driving belt tensioning 1 Friction brake 2 Poly V-belt 3 Adjusting screws The waste collection driving device has a friction brake to adapt to the torque changes caused by the size change of the roll core when it drives the waste collection gas fluctuation axis for waste collection.
Page 70: Rewind Unit
X Rewind unit 一、Summary 1 Rewind unit 2 Lifting arm 3 Support bearings 4 Rewinding gas fluctuation axis 5 Tighten support 6 Lift up / down the operation button 7 Test station 8 Rewinding operation panel 9 Handle of tighten the position of the support 10 Emergency stop wires and cables 11 Air gun...
Page 71 2.2 Support bearings 1 Release button (Inner ring) 2 Mark Point(Outer Ring) Two support bearings are installed on the lifting arm to support the gas fluctuation axis equipped with paper rolls. The bearing is composed of the outer ring and the inner ring. The bearing is fixed on the lifting arm through the outer ring.
Page 72 2.4 Deiving belt tensioning Tensioning support Adjusting screw Arc tooth synchrotron belt By adjusting the adjusting screw at the upper end of the tensioning support, the arc tooth synchronization belt is kept tight during the running process in order to ensure the best operating state.。...
Page 73 2.7 Rewinding operation panel 1 Operation panel Through operation panel, you can set up various functions of the roller collection, such as startup / stopping machines, setting the roller diameter, tension, etc.. 2.8 Paper route...
Page 74 2.9 Removal of paper rollers Remove the compression support so that it is secured by holding the handle at the position of the compression support. Rotate the inner rings of the two support bearings, align the release button with the mark point, press the release button, push the inner rings of the two support bearings to the outside, press lower operating button, so that the lifting arm is in a suitable position.
Page 75: Lubrication System
XI Lubrication system The lubrication method of this machine is divided into dilute oil lubrication and dry oil lubrication. 一、Dilute oil lubrication A schematic diagram of concentrated lubrication of dilute oil 1.Oil pump 2.Filter 3. Quantitative Distributor 4. Lubrication Point 5. Oil Plot 6. Oil Storage Plot ●Oil pump Rated working pressure：2.0 MPa...
Page 76 completed and loaded, the system will perform lubrication according to the new setting. The centralized lubrication system is a system that can be lubricated with little maintenance, but it does not mean that it can not be maintained. First of all, it must ensure that the oil storage capacity in the oil tank of the oil pump is within a safe scale.
Page 77 Dilute oil lubrication is also used in the gearbox of the machine. The gearbox is used more often in the equipment, and is distributed as below: ●Unwinding unit Gearbox for one time tension ●Offset unit Gearbox for impression cylidner Gearbox for blanket cylinder Gearbox for plate cylidner ●Die-cutting unit Gearbox for twice time tension...
Page 78 ●Die-cutting unit Lubrication of both ends of the anvil cylinder Recommended Lithium-based grease consistency rating 2 三、Maintenance Maintenance parameters are shown in List I...
Page 79 List1. Periodic table for the maintenance of lubrication systems Lubrication point lubricant Inspection Maintenance cycle cycle ● Dilute centralized Dilute oil 1time 1time/year lubrication(ink drive) quarter ● Gearbox Dilute oil 2 times/year 1 time/year ● Exposed transmission gear Dilute 2 times/shift 1time/4hours ●...
Page 80: Maintenance
XII Maintenance Proper maintenance and repair is the key to extend the service life of the machine and ensure the normal use of the machine. The multi-function web machine should be maintained according to the requirements of the manual for each unit. 1、Before the test run, the machine's oil, gas, circuit and parts of the machinery should be fully inspected, the rust-proof oil should be cleaned, and the fuel tank, the oil cup and the oil injection points should be refueled.
Page 81 ⑵、When adjusting the ink-fountain screw, prevent the phenomenon of the screw top to the ink roller. （3）Always keep the ink blade and roller clean. When the ink blade adjustment is not flexible during use, remove and clean, including the reverse side of the ink blade and the end of the adjustment screw.
Page 82 ⑻、For details of other relevant maintenance and repair matters of alcohol dampening device, please refer to its equipment instructions. ⑼、Due to the different mineral content of water sources in various regions of the country, which affects the configuration of the liquid, it is recommended to use pure water.
Page 83 ⑵、When system pressure and oil are missing, the controller indicator lights flash and buzz warning, but the lubrication system still continues to work, and the system working conditions such as pressure and oil level must be checked in time. ⑶、The oil must be clean and there must be no impurities in the whole system. ⑷、After installation, the system must be pressurized to the factory setting value (2MP), release air and all lines of the system the oil distribution is filled with oil, and the pressure gauge is observed to confirm that the system is free of...
Page 84 ⑶、After a total of 3,000 hours of operation of the air pump, the graphite slide should be inspected or replaced in time, and the remaining life of the graphite slide should be predicted according to the wear and tear of the graphite slide. Severe wear (generally refers to graphite slide width less than the depth of the rotor slide groove 3/4 -5 / 8) should be replaced with ink chips.