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Operating Manual

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EcoBell2 SL EC - Rotating Atomizer with External Charging

Appendix

Document No.: MRA00001EN

Version:: 07

•

As of:: 01/2020

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Summary of Contents for EcoBell2 SL EC

Page 1: ...www durr com EcoBell2 SL EC Rotating Atomizer with External Charging Operating Manual Pos 1 2 INP be rgreifende Kapitel 00_Intro Copy right 32 mod_1394111773169_20 docx 424820 1...

Page 2: ...Bietigheim Bissingen Germany Tel 49 0 7142 78 0 Transmitting and duplication of this document as well as utilization and communication of its contents are not allowed unless expressly granted Offende...

Page 3: ...ell2 SL EC with EcoAUC control system 13 1 6 3 3 Total system EcoRP 10 R1100 13 2 Safety 13 2 1 Danger zones 14 2 2 Safety requirements 16 2 3 ATEX marking 16 2 4 Residual risks 18 2 4 1 Parameters 18...

Page 4: ...device Jig 40 4 5 Connections 41 4 5 1 Interfaces 41 4 5 2 Flange assembly 42 4 5 2 1 Cable for potential equalization 42 4 5 2 2 High voltage line 43 4 6 Accessories and Related Parts 43 4 6 1 Acces...

Page 5: ...e 63 5 2 6 Attaching the bell disk 64 5 2 7 Attach type plate 65 5 2 8 Final checks 65 5 2 8 1 Atomizer 65 5 2 8 2 Pneumatic supply 66 5 2 8 3 Media Lines 66 6 Operation 67 6 1 Safety notes for operat...

Page 6: ...tomizer 88 7 4 2 Cleaning procedure B 88 7 4 2 1 Cleaning with non flammable detergent 88 7 4 2 2 Drying the atomizer 88 7 4 3 Scope of cleaning 89 7 4 3 1 Atomizer body 90 7 4 3 2 Shaping air ring 90...

Page 7: ...tallation of the light conductor 122 9 3 1 Removing the light conductor 122 9 3 2 Cleaning the light conductor 124 9 3 3 Testing the light conductor 124 9 3 4 Installing the light conductor 124 9 4 Mo...

Page 8: ...9 10 1 Switching off the atomizer 139 10 2 Separating the atomizer from the flange package 140 10 3 Dismantling of the atomizer 140 10 4 Disposal of the atomizer 141 11 Technical Data 142 11 1 Replace...

Page 9: ...ribed in this instruction manual must be performed only by the manufacturer Every person who uses this product must have read and understood these operating instructions D rr Systems disclaims all lia...

Page 10: ...trostatic coating the rotating atomizer atomizer in short allows atomization of a fluid coating material into droplets by mechanical forces High voltage up to 100 kV generates an electrostatic field T...

Page 11: ...of the category 2G and for is approved for use in explosive areas of Ex zones 1 and 2 This permission is valid according to the type test certificate and the details on the type plate exclusively in...

Page 12: ...atomizer can be dangerous if it is not operated according to this operation manual Pos 5 INP Be ll2 01_03 Material_AA 60 mod_1580200660361_20 docx 666479 223353444 1 1 5 Material numbers The document...

Page 13: ...be integrated in a painting system according to the technical data and the intended use The conditions for type testing are not fulfilled 1 6 3 2 EcoBell2 SL EC with EcoAUC control system The EcoAUC c...

Page 14: ...training of operators please contact our training department see chapter Contacts Hotline Pos 7 INP Be ll2 02_03 Gefahr Be reiche_AA 57 mod_1506327153802_20 docx 621579 2 1 2 1 Danger zones A minimum...

Page 15: ...xplosion Before entering the booth and the use of ground rod no explosive atmosphere may be present in the booth Before working with the atomizer it must be brushed against the grounding rod and disch...

Page 16: ...he atomizer The safety requirements for rotational speed and high tension are taken into consideration and implemented in the devices combinations with EcoAUC and for the total system EcoRP 10 R1100 F...

Page 17: ...be operated in the zone 1 and 2 For this purpose the operating parameters given on the type plate should be noted The atomizer is not suitable for operation in zone 0 The use of atomizers as device o...

Page 18: ...l affected features need to be examined before re starting operation test run 2 4 2 Operation A bell disk coming loose from the turbine shaft can pose a risk of injury Please note the dangers of the h...

Page 19: ...and adhered to The following points are particularly important Integration in the on site fire protection concept Integration in the on site security concept Emergency stop Safe switching off the hig...

Page 20: ...lating layer on a grounded workpiece When painting on top of dried paint layers especially on clear coat highly charged surfaces can occur This effect is even stronger with detail painting On those su...

Page 21: ...haping air ring and the bell disk 2 7 2 Assembly personnel Due to their technical training knowledge and experience as well as knowledge of relevant standards and regulations the installation team sho...

Page 22: ...rds and regulations the painting personnel are in a position to work on and with sprayers and automatic fixed spraying equipment The painting personnel must be familiar with policies rules of engineer...

Page 23: ...working on the atomizer should meet at least the following standards Footwear must meet the requirements of EN ISO 20344 The measured insulation resistance must be less than 100m Protective clothing...

Page 24: ...diac pacemakers or implanted defibrillators The content of the operating instructions must be known to operate Wear protective goggles Wear protective hand gloves Wear conductive shoes Wear respirator...

Page 25: ...monitored and adhered to Furthermore maintenance and repair work must be performed as described in this manual Pos 16 INP Bell2 02_12 Umweltschutz 39 mod_1408524280492_20 docx 493626 2 1 2 10 Environ...

Page 26: ...are made of a special white plastic The parts are in packages which are also suitable for storage Different from the general provisions of storage the following provisions are applicable to electrode...

Page 27: ...x 493695 22 1 4 1 Brief description The EcoBell2 SL is a high rotation atomizer with external charging for atomizing liquid coating materials with support of electrostatics 4 2 Overview Fig 12 Compone...

Page 28: ...ent locks the turbine shaft The shaft must be blocked before the bell disk can be removed At the front end of the atomizer a bell disk is attached Paint flow into the middle of the rotating bell disk...

Page 29: ...se cleaning the rotational speed of the bell disk is reduced significantly Instead of the paint a rinsing agent flows into the bell disk The rinsing agent flows through bores in the back of the bell d...

Page 30: ...rdeners with 2K atomizers Hardener and main paint must be mixed outside the atomizer An external mixer is therefore available see chapter Optional accessories Pos 23 INP Bell2 04_03 Baugruppen 39 mod_...

Page 31: ...s or stains in and on the bell disk the bell disk is completely cleaned out with the rinsing agent Stains might reach the surface to be painted and might lead to faults in the painting For the cleanin...

Page 32: ...and the requirements in operation Pos 25 INP Bell2 04_03_02 Turbine _AA 57 mod_1506416845619_20 docx 621629 3444 1 4 4 2 Turbine The turbine is a pneumatic motor The bell disk is screwed to the turbin...

Page 33: ...ft detent Depending on the configuration of the application plant there are various options to trigger the shaft detent Possible configurations Atomizer is operated by means of the EcoAUC control syst...

Page 34: ...vide compressed air that can trigger the shaft detent Option 4 The operator must provide compressed air that can be activated via the push button on the elbow Activate compressed air Push button on el...

Page 35: ...an optical fiber and focused onto the turbine wheel The non reflective surfaces absorb the light The reflecting surfaces send the light back into the light conductor An R O converter must be placed a...

Page 36: ...n the valve block as well 4 4 3 1 Main valve needle The main needle valve controls the flow of paint into the bell disk The tip of the main needle sits in the front part of the paint tube The pneumati...

Page 37: ...Control air for the main needle STL RF Control air for the recirculation Pos 27 INP Bell2 04_03_04 Farbrohr 39 mod_1408525851432_20 docx 493833 3 1 4 4 4 Color tube The color tube connects the valve...

Page 38: ...s the shaping air ring The shaping air ring is an integral part of the atomizer body 4 4 5 1 The shaping air The atomizer has two independent shaping airs Shaping air 1 is passed through the valve blo...

Page 39: ...adung_AA 44 mod_1423645795708_20 docx 534399 3455 1 4 4 6 External charging For the function of external charging the atomizer is equipped with an electrode ring The electrode ring is made of a specia...

Page 40: ...eedles and contaminated electrodes prevent an effective uniform spreading of the electrostatic field Insulation The white plastic must insulate the high voltage carrying parts from the grounded parts...

Page 41: ...screw in the flange 4 Tappet in the atomizer 5 Interim piece in the tappet Pos 31 INP Bell2 04_04 Anschl sse_AA 57 mod_1503992676064_20 docx 620049 23344 1 4 5 Connections 4 5 1 Interfaces The interf...

Page 42: ...onnects the atomizer with the components of the material supply and the control Following components build this connection Hoses High voltage line Fiber optic cable Cable for potential equalization 4...

Page 43: ...ltage cable is mounted on the flange The high voltage terminal is located at the electrode ring At the time of later assembly of the electrode ring the high tension cable plug is connected to the conn...

Page 44: ...00 Elbow N44050015 Atomizer mount M24010343 Clamp for atomizer mount N65040001 Manual grounding rod W02020255 Assembly bracket for atomizer W12600018 DS18 x 1 Thread cleaner W02020187 Assembling aid f...

Page 45: ...or the activation of the shaft detent is placed on the lid 4 6 1 3 Atomizer pickup The atomizer pickup can be used to mount the atomizer 4 6 1 4 Clamp for atomizer mount The clamp adjusts to the atomi...

Page 46: ...is then applied by the atomizer 4 6 1 11 Cable for potential equalization The cable for potential equalization connects the flange assembly of the atomizer to the potential equalization of the system...

Page 47: ...speed measurement into electrical signals The electrical signals are further processed by the control Pos 33 INP Bell2 04_06 We rkzeuge _AA 59 mod_1580135718582_20 docx 666215 2333445 1 4 7 Tools 4 7...

Page 48: ...ent No MRA00001EN Version 07 As of 01 2020 Test sleeve DS18 x 1 W17500065 Sleeve for testing nozzle centering Assembly tool Distributor disk W02020017 Tool for pushing the distributor disk in Calibrat...

Page 49: ...20 49 156 Box wrench W11020010 Tool for unscrewing the nozzle Tool Fiber optic cable W02020062 Push the tool over the fiber optic cable and loosen or tighten the screw connection Auxiliary tool Paint...

Page 50: ...Document No MRA00001EN Version 07 As of 01 2020 Assembly tool for assembling the cap nut W02020146 Tightening the cap nut with auxiliary tool and torque wrench Tightening torque 8Nm Centering sleeve...

Page 51: ...painting booth in which no flammable medium is entered and which has been sufficiently ventilated is still classified as an Ex zone Example Maintenance and cleaning after sufficient ventilation durati...

Page 52: ...perator has to perform a hazard assessment to document it and to use it for preparing the specific work instructions The operator has to ensure that these measures are well known to and complied with...

Page 53: ...opriate measurements are continuous or repeated single measurements or checks of supply air rate and air extraction rate of the mechanical ventilation Any unintentional turning off of the mechanical v...

Page 54: ...Fire detector 4 Work piece 10 Paint supply 5 Technical ventilation 11 Power and air supply 6 Safety door The schematic shows some options of atomizer installation This is not an image of your configur...

Page 55: ...n in the chapter Technical Data Control system High tension supply Media Lines Pneumatic lines Painting booth ATEX Zone 5 2 2 Prerequisites for installation Energy supply completely switched off and s...

Page 56: ...h voltage line through the flange 5 and secure it with the grub screw 7 The grub screw 7 glides into the groove of the plug housing 6 The high voltage connection is prefabricated and must not be chang...

Page 57: ...mount or the elbow 5 2 3 2 Cable and hose routing The lines and hoses of the flange assembly must be installed inside and outside the cabin in covered housings W A R N I N G Danger from explosive atm...

Page 58: ...h atomizer a separate duct or own pipe Cable ducts or pipes must be made of non conductive material Do not screw cable ducts or pipes on a large area to metal Danger of propagating brush discharge Sho...

Page 59: ...rts of the electrode ring ring and fingers they must be stored at a temperature between 20 C and 26 C for at least 24 hours Protective caps on the electrode ring must be removed A T T E N T I O N Risk...

Page 60: ...ttach the electrode ring to the flange assembly so that the high voltage terminal of the flange assembly fits into the high voltage terminal on the electrode ring Fig 25 Inserting the plastic screws I...

Page 61: ...2 on the tool must be aligned with the mount on the connecting flange The hexagon socket key simplifies orientation Tighten the clamping screw 1 of the electrode ring The tool and thus the electrode r...

Page 62: ...cting flange with 0 5 Nm In the tool there are gaps for the screws Release the clamping screw Remove the tool from the electrode ring Wipe off superfluous petroleum jelly C A U T I O N Sharp tip of th...

Page 63: ...tached to the flange assembly Fig 29 Attaching the atomizer 1 O ring 2 Clamping device 3 Clamping screw Wet the O ring 1 on the atomizer with 2 ml of petroleum jelly Set up atomizer in its correct pos...

Page 64: ...he open tool The bell disk must sit with its edge in the fixed half shell Close the clamp carefully Only when the bell disk is in the correct position can the clamp be closed with minimal effort Tight...

Page 65: ...over malfunction must be expected during operation Note torque when screwing on the bell disk Screw the bell disk tightly with a torque of 6Nm Remove the torque wrench and special tool Loosen shaft de...

Page 66: ...air ring and bell disk The bell disk should not rub against the shaping air ring Check the painting distance 200 mm 20 mm Check distance of the electrode tips to grounded parts at least 400 mm Cable...

Page 67: ...n group IIA No rusty surfaces in the painting area Rusty surfaces can lead to sparking in case of collision All equipment components and the tools to be coated should be grounded Before working on the...

Page 68: ...acturer Wear the appropriate protective clothing gloves protective glasses and respiratory protection 6 1 5 Danger due to rotating bell disk Death or serious injuries may ensue Bell disk may come loos...

Page 69: ...low speeds 6 2 4 Cleanliness The surface of the atomizer must always be kept clean Dirt impairs among other things the effect of the high voltage Dirt particles that detach from the atomizer can get o...

Page 70: ...A T T E N T I O N Risk of production disruption due to defective components A poor paint job can be the result An atomizer with defective components must not be operated in any case Never paint with...

Page 71: ...medium short term load p max 20 bar Maximal operating pressure of the shaping air The shaping air system can be coupled with an inert gas supply for fire protection An inert gas supply often works wi...

Page 72: ...lowing limits have to be complied with unconditionally Ambient temperature 10 40 C Relative humidity 35 90 Outside these limits the atomizer will be damaged Parameters when operating Temperature 23 C...

Page 73: ...d minimum pressure Operating at lower air pressure inevitably leads to turbine damage Shaping air consumption Shaping air 1 max 450Nl min Shaping air 2 max 440Nl min Shaping air when rinsing the atomi...

Page 74: ...d on the atomizer The information and instructions in the operating instructions must be strictly adhered to If commissioning is being carried out because of work on the supply lines of the atomizer a...

Page 75: ...rocess can be started via a user interface 6 4 3 Testing the paint flow control volumetric measurement The quality of the paint flow control must be tested prior to commissioning and at reasonable int...

Page 76: ...e shaft of the turbine Fig 33 Adapter over nozzle 1 Nozzle 2 Adapter 3 Hose Volumetric measurement of the amount of paint If you want you can replace the hose of the adapter with a longer hose of the...

Page 77: ...mable Paint Short flush of bell disk total Flush borings 500 50 ml min 700 50 ml min Ignitable paint may not be used with external charging If the required amount of rinsing agent is not obtained or e...

Page 78: ...a color change end of day before service Depending on the painting conditions a rinsing process between the painting operations may also be necessary Each painting sequence requires matching purge pr...

Page 79: ...ring Turbine Testing function of the turbine easy and uniform rotation of the shaft by hand with active engine bearing air Nozzle Soiling and damages Complete Atomizer Leaks dirt on atomizer body con...

Page 80: ...7040_20 docx 494225 1 1 7 Cleaning and maintenance Pos 44 INP Bell2 07_01 Siche rheitshinweise _AA 57 mod_1508839239444_20 docx 622325 233 1 7 1 Safety Instructions The following safety instructions m...

Page 81: ...charge when touching the cable cover Use a grounding rod to discharge the complete cable cover in the paint booth before all maintenance and repair work 7 1 1 Cleaning Always wear suitable protective...

Page 82: ...Risk of damage to property and production disruption The surface of the atomizer body and that of the electrode ring can get scratched and can thus be soiled more Do not use abrasive cleaning accesso...

Page 83: ...njury and amputations can result Before starting maintenance and repair work disconnect the system into which the atomizer is built from any power supply and secure any form of energy source against r...

Page 84: ...ation technique that come into contact with the cleaning agent may not change in any way Dried paint material should dissolve well and be easily removable precleaning The cleaning agent for non flamma...

Page 85: ...rements for external cleaning of the atomizer body with ButAc No continuous load e g plastics not to be immersed in ButAc Maximum load temperature 25 C No re distilled ButAc or ButAc with extenders e...

Page 86: ...ts of the atomizer for contact Qualified electrician Check the free movement of the clamping bolt in the flange and the interim piece in the spigot of the atomizer Assembly personnel Check the operati...

Page 87: ...pment Protective work wear Protective glasses Protective gloves Safety boots Cleaning Accessories Clean lint free cleaning cloths Clean lint free towels for drying Clean brushes Container for cleaning...

Page 88: ...eaning of the atomizer pre clean the atomizer with a wet cloth with non flammable detergent Light contamination Carry out main cleaning without precleaning Moisten a clean cloth with volatile cleaning...

Page 89: ...s can lead to leakage currents This can lead to massive high voltage interference The system controller will then turn off the high voltage By all means dry the atomizer carefully after cleaning D rr...

Page 90: ...a function of temperature exposure and detergent dissolve the weld Clean only by hand with a brush cleaning cloths and compressed air Do not clean plastic parts in the ultrasonic bath Fig 36 Cleaning...

Page 91: ...removed by rubbing the atomizer body must be removed These tasks are described in the chapters Removing and installing the atomizer body and Cleaning the shaping air ring 7 4 3 3 Electrode fingers Fi...

Page 92: ...t The aluminum bell disk is not resistant to water based cleaning agents Do not immerse the aluminum bell disk in water based cleaning agents for extended periods of time Fig 842 Cleaning the bell dis...

Page 93: ...on Check for free movement of the bell disk The bell disk with the shaft of the turbine must rotate by hand without resistance After cleaning always check the distance between the shaping air ring and...

Page 94: ...e plan The work is described below Dismantling and installing the bell disk Dismantling and installing the nozzle Replacing the electrodes Dismantling and installing the atomizer body Cleaning the sha...

Page 95: ...g the bell disk from the shaft The bell disk must not be turning anymore The atomizer is equipped with a shaft detent A T T E N T I O N Risk of property damage and production disruption If the shaft d...

Page 96: ...d with minimal effort Screw the bell disk counterclockwise from the shaft using the tool Fig 47 Unscrewing the bell disk Remove the special tool from the bell disk 7 5 1 2 Checking the distributor dis...

Page 97: ...e distributor disk is released from the bell housing without a push the retaining ring of the distributor disk must be checked Remove the special tool from the housing of the bell disk Checks at the d...

Page 98: ...icable is in order Thread and cone of the bell disk are clean and without damage All bores in the bell disk housing are uncluttered and clean The parts must be assembled only when they are in good con...

Page 99: ...on the assembly tool again A T T E N T I O N Danger from tilted distributor disk This could lead to production disruptions At the time of assembly make sure that the distributor disk is correctly seat...

Page 100: ...cleaner in the thread of the hollow shaft Remove the thread cleaner again from the shaft If necessary repeat the process several times Remove the residue loosened by the thread cleaner from the hollow...

Page 101: ...eads of bell disk and turbine may be damaged An improperly mounted bell disk leads to irreparable damage to the turbine Set the bell disk on the shaft end manually and turn the bell disk a few times o...

Page 102: ...ping air ring and bell disk The bell disk should not rub against the shaping air ring Pos 50 INP Bell2 07_05_02 D senwechsel_AA 56 mod_1493112255543_20 docx 617329 3454 1 7 5 2 Installing and dismantl...

Page 103: ...the nozzle can be cleaned using suitable probes Make sure that the bores are not damaged in any way Worn out or damaged nozzles must be replaced 7 5 2 2 Installing the nozzle The installation of the n...

Page 104: ...after the installation Pos 52 INP Bell2 07_05_04 Zgh ab an_AA 57 mod_1511775109726_20 docx 623163 3445 1 7 5 4 Dismounting and mounting atomizer body The atomizer body is screwed on at the upper edge...

Page 105: ...20 105 156 Fig 55 Pliers on the atomizer body 1 Pliers 3 Uppermost Finger 2 Bolt 4 Handle Place pliers 1 around the atomizer body Bolt 2 must point forward Position handle of the pliers 4 pointing up...

Page 106: ...izer body 2 Sleeve Hold atomizer body 1 with both hands Unscrew the atomizer body 1 counterclockwise Pull off sleeve 2 The sleeve must be removed only if work is needed on the valves 7 5 4 2 Install a...

Page 107: ...r housing 1 Atomizer housing 2 Sleeve Push sleeve 2 up to the stop on the valve block Push atomizer body 1 on to the valve block and tightly screw it by hand until it stops Never tighten atomizer body...

Page 108: ...is a component of the atomizer body For this reason the atomizer body must be dismantled in order to clean the shaping air ring The dismantling of the atomizer body is described in the chapter Dismant...

Page 109: ...ring 7 5 6 1 Dismantling the contact ring Release the three screws on the contact ring and remove the contact ring Fig 159 Screws on the contact ring 1 Screws 7 5 6 2 Installing the contact ring For t...

Page 110: ...Risk of property damage and production disruption In case of wrong assembly shaping air ring and bell disk can rub against each other Shaping air ring and bell disk can be damaged Check the distance b...

Page 111: ...hat are not approved by D rr Systems may not withstand the loads Damage and production interruption can result Use only original spare parts W A R N I N G Risk from explosive atmospheres Sparking can...

Page 112: ...fore starting maintenance and repair work disconnect the system into which the atomizer is built from any power supply and secure any form of energy source against reconnection W A R N I N G Danger fr...

Page 113: ...specified in the control documentation Pos 60 INP Bell2 08_04 Tabelle St rungsbe hebung_AA 39 mod_1408538917259_20 docx 494532 2 1 8 4 Troubleshooting Personnel Assembly personnel Protective equipmen...

Page 114: ...haft and turbine Reattach the bell disk Dirty bell disk Clean the bell disk Reattach the bell disk Distance between control air ring and bell disk incorrect Install atomizer body paint tube turbine an...

Page 115: ...he nozzle Replace the nozzle Turbine Incorrect speed Turbine does not reach the set speed Bell disk not screwed on the thread properly Bell disk is imbalanced due to a damage Inspect the hoses for mot...

Page 116: ...cation Defective external charging replace Defective high voltage cable replace Defective high voltage generator or controller Replace generator or controller Spacing between electrodes and grounded c...

Page 117: ...e block must be dismantled for the following procedures Dismantling of the electrode ring Work on the turbine Work on the fiber optics Work on the shaft detent Work on the main needle Work on the colo...

Page 118: ...orkshop Dismantle the atomizer body see Chapter Dismantle the atomizer body 9 1 2 Mounting the valve block Requirements The electrode ring is mounted on the flange Sleeve and atomizer body are mounted...

Page 119: ...57 mod_1503999877195_20 docx 620193 2333 1 9 2 Mounting the turbine To dismantle the turbine the atomizer body must be dismantled The information regarding dismantling the atomizer body is found in th...

Page 120: ...urbine from its seat in the valve casing Remove the turbine from the valve casing Fig 67 Removing the turbine 9 2 2 Installation of the turbine Check condition and completeness of the five sealing rin...

Page 121: ...the turbine in the valve casing Place the swivel nut Tighten the swivel cap with the specialized 8 Nm tool Fig 70 Tightening the screw cap After installation of the turbine the position of the nozzle...

Page 122: ...osition and the correct tightening torque Install the turbine Then the position of the nozzle must be checked again Pos 63 INP Bell2 08_07 Lichtleite r aus_ein 40 mod_1411041229328_20 docx 502552 2333...

Page 123: ...Document No MRA00001EN Version 07 As of 01 2020 123 156 Fig 172 Mounting bolts for the chuck Turn the valve block around Pull the chuck out Fig 273 Removing the chuck 1 Chuck Slide the special tool o...

Page 124: ...ting the light conductor Direct one end of the light conductor towards a light source Put the other end in a position where no light shines directly on the cut surface In an intact light conductor the...

Page 125: ...this purpose use the special tool for fiber optics Fig 176 Lid of the shaft detent 1 Lid 2 Special fiber optics tool Remove the shaft detent from the body Fig 277 Removing the detent from the body 9 4...

Page 126: ...e valve is located in the valve block The clamping device must be removed before the main needle valve can be removed For information about dismantling the clamping device see chapter Removing fiber o...

Page 127: ...lubricated with special grease Main valve needle must only be installed in the valve casing when the paint tube is mounted on the valve block Otherwise there is a risk that the main needle is bent dur...

Page 128: ...removed 9 6 1 Removing paint pipe Loosen the three screws at the bottom of the paint pipe Fig 81 Screws on the paint tube 1 Screws Pull out the paint tube from the valve block 9 6 2 Checks on removed...

Page 129: ...ipe The needle seat is in the nozzle holder The paint tube without recirculation has an additional seal for the main needle Checks on disassembled paint pipe Cleanliness of bores and channels Cponditi...

Page 130: ...1 Apply a thin layer of thread protection on the paint tube see operating materials for maintenance Apply thread lock to thread of push in fitting Tighten nozzle holder 1 with 12 Nm on the paint tube...

Page 131: ...hind 1 Positioning pins 2 Paint bore 3 Main needle bore 4 Bore for quick rinse KS Insert the assembly tool for assembly of the paint pipe securely from behind into the main needle bore of the paint pi...

Page 132: ...rease Push needle seal carefully on the assembly tool with the sealing lip outwards Fig 87 Applying the needle seal 1 Assembly tool 2 Paint pipe 3 Needle seal 4 Sealing lip Carefully put the needle se...

Page 133: ...pe 3 Nozzle holder 4 Coat thread with Screwlock Tighten nozzle holder with 12 Nm on the paint tube Make sure the nozzle holder is flush with the paint pipe after the tightening Fig 90 Making sure the...

Page 134: ...k Align the paint pipe to the flange surface of the valve block Check the markings in the paint pipe and the valve block Fig 92 Markings on the paint pipe and valve block A T T E N T I O N Risk of pro...

Page 135: ...culation The assembly procedure is identical for both the valves Prerequisites All channels controlled by the valve are rinsed and dry The valve block was removed The atomizer body was removed The sle...

Page 136: ...undamaged The thread of the valve and the valve casing must be completely clean The thread of the valve must be lubricated with special grease N O T I C E Risk of damage to property and production dis...

Page 137: ...se connection 3 Hexagon socket 4 Flange assembly Ensure the following when working on the hose connections Do not bend the hoses Observe minimum bend radius of the hoses Do not twist the hoses Coat th...

Page 138: ...ide of the atomizer check the resistance A resistance test shows whether the electrical connection of the parts with one another is OK The resistance between chuck and color tube must be 10 Test volta...

Page 139: ...omizer is assembled completely Ensure that there are no loose objects tools spare parts cloths in the cabin Rinse the atomizer Only then the atomizer should be used Pos 71 INP Bell2 09_00 Demontage En...

Page 140: ...ipment Protective work wear Protective glasses Protective gloves Safety boots Procedure Release the clamping screw Meanwhile hold the atomizer tight Remove the atomizer from the flange Remove three pl...

Page 141: ...caused by improper disposal Improper disposal threatens the environment and prevents reuse and recycling Dispose of components based on the nature of the material Spilled paint or solvent residues to...

Page 142: ...ox 50 Nl min Shaping air 1 450Nl min max Shaping air 2 440Nl min max Typical operating range of shaping air 100 350Nl min Rotational speed Maximum 70000 500 RPM Usable range 8000 70 000 RPM Typical ra...

Page 143: ...Pas Paint temperature 20 25 C Relative humidity 65 5 Solid body diameter 5 m Material pressure briefly maximum 20 bar Cabin temperature 23 C 3 K High voltage Current I 400 A max Voltage U 70 80kV Bell...

Page 144: ...d the high loads There is a risk of injury Use only original replacement parts C A U T I O N Risk of injury from unsuitable replacement parts in potentially explosive atmospheres Replacement parts fro...

Page 145: ...with External Charging Technical Data Document No MRA00001EN Version 07 As of 01 2020 145 156 Repair kits Fig 96 Repair set for atomizer body 1 O ring 110x2 2 O ring 98x2 Fig 97 Repair set for shaft...

Page 146: ...No MRA00001EN Version 07 As of 01 2020 Fig 98 Repair set for paint pipe 7 Flat seal 12x1 9 Needle seat 8 Needle seal for paint pipe 10 O ring 8x1 Fig 99 Repair set for valve block 11 Valve unit L142 m...

Page 147: ...mizer with External Charging Technical Data Document No MRA00001EN Version 07 As of 01 2020 147 156 Fig 101 Repair set for turbine shaping air ring 16 O ring 43x2 17 O ring 34x1 1 Fig 102 Repair set f...

Page 148: ...ating Atomizer with External Charging Technical Data Document No MRA00001EN Version 07 As of 01 2020 Fig 103 Repair set for flange assembly 20 O ring 7x1 5 21 Sealing ring D9 22 O ring 4x1 5 Fig 104 R...

Page 149: ...05 Repair set for elbow lid complete 24 Lid 28 Screws 25 O Ring 10x1 29 3 2 directional control valve 26 Pressure pin 30 Plug in connection 27 Compression Spring Fig 106 Repair set for external mixer...

Page 150: ...ing Technical Data Document No MRA00001EN Version 07 As of 01 2020 Fig 108 Repair set for valve block 37 Valve unit L142 main needle 38 Valve unit L35 39 Ring with carbon fiber brush Fig 109 Repair se...

Page 151: ...t L142 main needle 1 12 Valve unit L35 1 13 Ring with carbon fiber brush 1 14 Gland M27x1 5 1 15 N34960006 N34960010 Seal kit storage unit Seal kit bearing unit solvent resistant 1 1 16 N34960007 O ri...

Page 152: ...12 Contacts and Hotline If you have queries or would like technical information please contact your dealer or sales partner Document No Version As of Approved Table of Contents Pos 77 INP Bell2 12 Anh...

Page 153: ...er edge of the bell disk and control air ring 1 must be checked with the test tool W02020284 The information about the surface to be used for a certain sprayer gun type is engraved on the testing tool...

Page 154: ...on 07 As of 01 2020 2 High Voltage EcoHT G500 external charging ATEX category 2G 3G Threshold value for safety Static 0 10V 0 100kV Setting system specific kV Minimum voltage during painting kV Docume...

Page 155: ...east 1 2 times the maximum coating speed but at least 500mm s The two electrodes have to be approximated to be an electrode spacing of about 1cm The test shall be performed five times per spray In all...

Page 156: ...156 EcoBell2 SL EC Rotating Atomizer with External Charging Appendix Document No MRA00001EN Version 07 As of 01 2020 Operator Date DD MM YYYY Name first name legible Signature Comments Point Comments...

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