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wiwa FLEXIMIX 2 HERKULES Series, Operation Manual

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wiwa FLEXIMIX 2 HERKULES Series Operation Manual Download Page 19

Originalbetriebsanleitung 

FLEXI

MIX

 

2

 

19

FMII_BAoDB_en_1401 •  rs

Unit description

The front view of the 

FLEXI

MIX

 

2

 is very similar for all basic types:

Fig. 7: Front view of the 

FLEXI

MIX

 

2 

PHOENIX (example)

2

3

5

4

6

1

No. Designation

1

Compressed air control unit

2

Return flow hoses from the mixing unit to the material containers

3

Mixing unit

4

Material supply hoses from the metering pumps to the mixing unit

5

Connection for the atomizer air to the Air Combi gun (optional) 

6

Control panel with control module

Summary of Contents for FLEXIMIX 2 HERKULES Series

Page 1: ...FLEXI 2 MIX Translation of the original operation manual FMII_DBK_en_1312 rs Operation manual Serial No ...

Page 2: ......

Page 3: ...4 2 4 5 Ground cable 15 2 5 Operating and maintenance personnel 15 2 5 1 Unit owner s duties 15 2 5 2 Personnel qualification 15 2 5 3 Authorized operating personnel 15 2 5 4 Personal Protective Equipment PPE 16 2 6 Notes on warranty 16 2 6 1 Conversions and alterations 16 2 6 2 Spare parts 16 2 6 3 Accessories 17 2 7 Emergency procedures 17 2 7 1 Shutting down and depressurising the unit 17 2 7 2...

Page 4: ...10 Agitators 32 4 Transportation installation and assembly 33 4 1 Transportation 33 4 2 Installation location 33 4 3 Assembly 35 4 3 1 Assembling hose package 35 4 3 2 Assembling spray hose and spray gun 36 4 3 3 Grounding the unit 36 4 3 4 Inserting the filter elements into the high pressure filters 36 4 3 5 Connecting compressed air supply and electric power supply 37 5 Control module 38 5 1 Con...

Page 5: ... 7 Valve management 56 5 5 8 Recipe management 57 5 5 9 Date and time 58 5 5 10 Software Update 58 6 Operation 59 6 1 Put the unit into operation 59 6 1 1 Switching on the unit 60 6 1 2 Setting up the control system 60 6 1 3 Flushing mixing unit and spray gun 60 6 1 4 Cleaning the unit 60 6 1 5 Filling the unit with material to be applied and venting the unit 61 6 1 6 Put the material flow heaters...

Page 6: ...n the filter element in the high pressure filter 71 7 5 2 Filter elements for high pressure filters 71 7 6 Metering pumps 72 7 6 1 Checking the release agent level in the metering pumps 72 7 6 2 Checking release agent in the metering pumps for material residues 72 7 6 3 Lubricating the gear wheels on the metering pump shaft encoders 73 7 7 Metering valves 73 7 7 1 Checking release agent in the met...

Page 7: ... all relevant guidelines and accident prevention instructions to this operation manual Moreover the manufacturer s instructions and guidelines for coating or feeder materials must be respected at all times However if you have any questions please do not hesitate to contact us Best wishes for good results with your FLEXIMIX 2 from WIWA Wilhelm Wagner GmbH Co KG Copyright 2014 WIWA This operation ma...

Page 8: ...oning operation maintenance repair and servicing of the unit must have read and understood the operation manual beforehand especially the chapter entitled Safety Your safety is at stake We recommend to the owner of this unit to have this confirmed in writing 2 1 Explanation of symbols Safety information warns you of potential risks of accidents and tell you the measures that are needed to prevent ...

Page 9: ...rial or gases Use eye protection Indicates the requirement to wear protective goggles to protect against eye injuries caused by gases fumes or dust Wear ear defenders Indicates the requirement to wear ear defenders to prevent your hearing from being damaged by noise Use a respiratory protection mask Highlights the order to use a respiratory protection mask to prevent your respiratory tract from be...

Page 10: ...n as the maximum operating pressure for the entire unit Material hoses and hose assemblies must comply with the maximum operating pressure including the required safety factor Material hoses must be leak tight and free of kinks signs of abrasion or bulges Hose connections must be tight 2 2 2 Risks caused by the spray jet WARNING The material is discharged from the spray gun under very high pressur...

Page 11: ... zone allocation according to the Directive of EC 94 9 EC Appendix II no 2 1 2 3 when observing the measures of the responsible inspecting authority The operator is responsible for checking and ensuring that all technical data and markings according to ATEX corre spond with the necessary requirements Please note that several unit components have their own type plate with sep arate marking accordin...

Page 12: ...essurized systems dangerous chemical reactions may occur if parts made of aluminium or galvanized parts come into contact with 1 1 1 tri chloroethane methylene chloride or other solvents containing halogenated hydrocarbons CFC s If you want to process materials containing the afore mentioned substances we recommend to consult the material manufacturer to clarify the usability of such substances Fo...

Page 13: ...eal on the safety valve still intact 5 5 Safety valve free of external damage 5 5 Ground cable free of damage 5 5 Ground cable connections on unit and conductor in good condition 5 5 Function of compressed air shut off valve correct 5 5 Correct functioning of safety levers on spray gun The unit is equipped with the following safety features Safety valves Master switch Compressed air shut off valve...

Page 14: ...se the pressure from the unit after shutdown open the return flow ball valves on the high pressure filters and trigger the spray gun until no material comes out any more Fig 3 Master switch 0 Off on off 2 4 3 Compressed air shut off valves The unit is equipped with compressed air shut off valves for interrupting the air supply to individual unit components e g to the metering pumps The functional ...

Page 15: ...ways remains available must ensure that the operating and maintenance staff have read and un derstood the user manual Only then may the unit be brought into service 2 5 2 Personnel qualification A differentiation is made between two groups of people in dependence on their qualifications Instructed operators have been verifiably instructed by the unit owner in the activities they are tasked with an...

Page 16: ...atory protection mask We strongly recommend that you wear a respiratory protection mask even though the paint mist has been minimized in the airless spray painting meth od given a correct pressure setting and correct working methods Wear protective gloves When applying heated materials you should wear protective gloves with lower arm protection to protect you against burn injuries Wear protective ...

Page 17: ...witch at the control panel to 0 to disconnect the system from the power and compressed air supply 3 Open the return ball valves on the mixing unit 4 Operate the spray gun once again for a moment to relieve any material pressure residues so that the entire unit has been relieved 2 7 2 Leakages WARNING In case of leakages material can escape under very high pressure and cause serious bodily injuries...

Page 18: ...rposes or with other materials and thus not for the purpose for which it is intended you must ask WIWA for permission otherwise the warranty will be invalidated Intended use also includes compliance with the technical documentation and adherence to the prescribed operating servicing and maintenance guide lines 3 2 Unit configuration The FLEXIMIX 2 is available in three basic types which differ pri...

Page 19: ... 7 Front view of the FLEXIMIX 2 PHOENIX example 2 3 5 4 6 1 No Designation 1 Compressed air control unit 2 Return flow hoses from the mixing unit to the material containers 3 Mixing unit 4 Material supply hoses from the metering pumps to the mixing unit 5 Connection for the atomizer air to the Air Combi gun optional 6 Control panel with control module ...

Page 20: ...et interface this interface is used for remote service on the FLEXIMIX 2 unit through WIWA customer service 2 Maintenance unit 3 Compressed air connection 4 Metering pump for B component 5 Control box for electrical connections of material flow heater for the B component optional 6 Flushing pump 7 Material flow heater for the B component optional 8 Storage compartment for documents e g operating m...

Page 21: ...ear view of the FLEXIMIX 2 PROFESSIONAL example 4 10 12 6 14 3 13 9 8 2 No Designation 9 Control box for electrical connections of material flow heater for the A component optional 10 Metering pump for A component 11 Type plate 12 Feed hoppers optional 13 Rack 14 Material flow heater for the A component optional ...

Page 22: ...tion 1 Metering pump for B component 2 Metering pump for A component 3 Feed hoppers optional 4 Agitators optional 5 Storage compartment for documents e g operating manual 6 Maintenance unit 7 Compressed air connection 8 Flushing pump 9 Control box for electrical connections of material flow heater for the A component optional 10 Material flow heater for the A component optional 11 Frame ...

Page 23: ...tional The functional principle of all the air pressure regulators fitted in the unit is the same Turn clockwise to increase the pressure Fig 11 Compressed air control unit 1 2 3 Turn counter clockwise to reduce the pressure 3 4 Control panel The following controls may be found on the control panel Fig 12 Control panel 1 5 2 3 6 4 No Designation 1 Control module with touch screen 2 USB interface o...

Page 24: ...SB Remote control Alarm off Heating 3 6 Maintenance unit Fig 13 Maintenance unit for FLEXIMIX 2 PHOENIX Fig 14 Maintenance unit for PROFESSIONAL and HERKULES 2 2 4 5 6 1 1 3 7 6 5 3 4 No Designation 1 Compressed air connection 2 Water separator 3 Pressure regulator for control air please do not change 4 Shut off valve for compressed air supply to the metering pumps 5 Pressure controller for the B ...

Page 25: ...ial throughput of the B com ponent with mixing ratios with very little proportion of hardener and thus to achieve a better mixing of the two components 7 Automatic flushing valve for the B component side 8 Automatic metering valve for B component with adjustable stroke limiter 9 High pressure filter for B component 10 Return ball valves 11 Automatic flushing valve for the A component side Fig 15 s...

Page 26: ...ection 4 Flush connection 5 B comp flow connection 6 Automatic metering valve for B component 7 B comp return flow connection Fig 16 Intermediate piece 7 6 1 3 2 4 5 The external mixing unit has 4 levers for switching the ball valves on the exter nal mixing unit No Function 1 Switching on and off the circulation mode 2 Switching on and off the spraying mode 3 Opening and closing the flush ing ball...

Page 27: ...g pumps Fig 22 Material feed through suction system left feed hopper centre or feed pump right Suction pipes are placed directly into the material drums The suction pipe is fitted with a sieve which needs to be cleaned at regular intervals Feed hoppers are connected directly to the material supply for the metering pumps The material flow from the feed hoppers to the material pumps can be interrupt...

Page 28: ...nsforms the stroke of the metering pump into electric pulses and sends these to the machine controller as a basis for volume measurement The optionally available de icing system reduces the formation of ice on the air motor during operation only possible in connection with a material flow heater 3 10 Flushing pump In flushing mode the flushing pump con veys the flushing agent from the flush ing ag...

Page 29: ...x for the electrical connections The material flow heaters are switched on and off on the control panel The temperature reg ulators are directly located on the material flow heaters Observe and follow the notes in the separate operating manual of the material flow heaters Fig 25 Material Flow Heaters 3 11 2 Frame extension The frame extension is uses when process ing several A and or B components ...

Page 30: ... Unit stopped 4 Type plate including ATEX marking for the upper part of the remote control 5 Emergency stop button press button shuts down the unit 6 Type plate including ATEX marking for the lower part of the remote control Fig 27 Remote control STOP 1 2 3 5 4 6 The remote control is switched on and off by the key switch on the control panel During the changeover from control panel to remote cont...

Page 31: ...spray gun flushing unit ensures that the mixing unit the spray hose and the gun are flushed automatically before the potlife has elapsed Automatic flushing prevents the material from hardening in the machine parts through which mixed material has flowed The potlife will be reset and then start again after the flushing program has completed The atomizer air is switched off during this process Fig 2...

Page 32: ...Combi gun on the front side of the FLEXIMIX 2 see Fig 7 on page 19 3 11 8 Air flushing The mixing unit can be optionally equipped with extra air flushing Another valve is installed in the mixing unit for this purpose and supplied by the existing compressed air 3 11 9 Mounting kit Error message The mounting kit Error message includes an acoustic signal horn which indicates any malfunctions with a l...

Page 33: ... of tipping Ensure even load distribution to secure the sys tem against tipping over Do not transport any other objects e g material drums while lifting or loading the unit Never stand under suspended loads or inside the loading area This poses a life hazard Secure the load on the transport vehicle against slipping and falling off If the unit was already operated please observe the following Disco...

Page 34: ...elements and safety features are easy to reach Safety measures at the place of installation This unit requires a solid base and suffi cient free space for safe operation If the FLEXIMIX 2 is equipped with swivel rollers the machine has to be locked in its place of installation to prevent unwanted movements To do this engage the wheel brakes on the swivel rollers Always keep the working area especi...

Page 35: ...hose package is used to connect the external mixing unit to the intermediate piece WARNING If the hose package couplings are subjected to tensile load these assem blies may be torn out Material escaping under high pressure can cause injuries and material damage If tensile loads on the hose package couplings are to be expected e g by positioning the mixing unit a strain relief is required If the ho...

Page 36: ...ype plate Fit the spray hose to the material outlet of the static mixer Fig 36 Assembly of the spray hose at the standard mixing unit left or at the external mixing unit right Connect the spray hose to the spray gun as described in the operating man ual for the spray gun used 4 3 3 Grounding the unit Upon delivery the ground cable is already connected to the unit To ground the unit connect the cla...

Page 37: ...ed air causes damage to the unit s pneumatic system Use only dry dust and oil free air Fig 37 Compressed air connection at the PHOENIX left or PROFESSIONAL and HERKULES right 1 Make sure that all air pressure regulators have been regulated completely down the master switch is set to 0 2 Connect the compressed air line to the compressed air connection at the maintenance unit 3 Plug the mains plug i...

Page 38: ...nction The operation of both control modules is the same All control functions may be selected from the touchscreen with the five func tion keys 1 and the buttons displayed in the various menu windows 2 The control system is divided into two areas the operating area accessible to all and the password protected settings area 5 2 Starting the unit When the unit is switched on the touchscreen first d...

Page 39: ...t fill level 10 35 Overview 14 automatic Setup 2 05 Recipe management 31 Valve management 04 Set date time 39 Flush parameters 3 Manual control valve 18 Setup fill 1 08 Fill level 1 3 13 Setup fill 2 15 Fill level 4 6 36 Fill level 7 9 37 Fill level 10 38 Vol measure ment A measuring cup 23 Volumetric measurement component 10 Vol measure ment B measuring cup 26 Vol measure ment B measured vol 27 V...

Page 40: ...gher menu level Continue scroll forward on the same menu level Back scroll on the same menu level back 5 3 2 Symbolism of the buttons The buttons in the control system are indicated by the following symbols Symbol Meaning Alarm Alarm history Volumetric measurement Date and time Fill level alarm Fill level parameter Reset fill level Main menu Home Information Details relating to mixing ratio and vo...

Page 41: ...s display 4 Displays the operating mode 5 Displays the nominal mixing ratio according to the recipe selected 6 Displays the pot life configured in the recipe 7 Progress bar for spray hose filling 8 Progress bar for pot life already passed 9 Display of the levels in the material containers of the A component blue bar and B component red bar currently being used 10 Reset fill levels 11 Switch to Rec...

Page 42: ...w display and control system software versions 5 4 3 Status display The control system uses the status display to indicate selected operating states It is shown in the title bar of all menu windows The following icons may be seen here There is a fault alarm message present The unit is being flushed The pot life has expired A material container has been emptied down to the minimum level The relevan...

Page 43: ...h material Only then the unit is ready for operation An interruption of spraying mode during which the unit is not flushed will activate pot life monitoring this can be seen by the black progress bar in the overview Pot life is the period in which the mixed material can be processed from the time of it being mixed until the material increasingly cures Pot life monitoring is intended to prevent the...

Page 44: ...ayed vent the unit to warm the material to be sprayed uniformly where material heaters are in use For the circulation operation the control system is only relevant if the unit is equipped with an external mixing unit If you are working with a standard mixing unit open the return ball valves at the mixing unit to switch the unit into the circulation operation For units with an external mixing unit ...

Page 45: ...splay is distributed across a number of windows Use the arrow buttons and to browse forwards and backwards between the various windows The volume unit preset in the system control is displayed between these buttons liters l or U S gallons gal The fill levels are shown both as a value in liters or gallons and graphically as a bar The level bars of the components used in the current recipe are blue ...

Page 46: ...ress the button shown on the left in the Overview to open the information relating to mixing ratio and volume This window shows the target and ac tual mixing ratio of components A and B and the actual volumes of counters A and B Fig 50 Mixing ratio and volume 5 4 12 Alarms If certain malfunctions occur during operation an appropriate alarm mes sage is displayed and stored in the alarms history In ...

Page 47: ...he left 3 Then press the A B button on the component selection screen then displayed 4 Adjust the air inlet pressure for the metering pumps up to 3 0 3 5 bar 5 Unlock and operate the spray gun The unit delivers the A component at first and after a break of about 10 seconds the B component The filled volumes are counted up in the display during the control mea surement 6 Close and secure the spray ...

Page 48: ... system menus can be configured in the language selection Depending on the region one of the 3 language packages East North or West South is installed You can see from the flag icons what languag es are available in the respective language package Press the appro priate flag icon to select a language Fig 55 Language package East Fig 56 Language package North Fig 57 Language package West South 5 4 ...

Page 49: ...0 Counters for valves 6 10 The day and batch counters can be reset to 0 with the reset buttons This makes it possible to separate the various jobs from each other The VOC column shows the consumptions of volatile organic compounds VOC This is also reset to 0 when a day or batch counter is reset Use the arrow buttons and to browse forwards and backwards between these two menu windows The volume uni...

Page 50: ...n in the Main menu shown on the left to open the Setup menu You will then see the password prompt The first page of the Setup menu will open once the password has been entered Fig 62 Note concerning the operating mode Fig 63 Password prompt Fig 64 Setup menu part 1 1 2 3 4 5 6 7 Fig 65 Setup menu part 2 9 10 8 5 Use the arrow buttons and to browse forwards and backwards between these two menu wind...

Page 51: ...lect the top character shown on the key capitals ENT Confirm input Enter CLR Clear everything 5 5 2 Volumetric measurement As the output of the metering pumps declines as wear increases the K factors number of measuring pulses of the volume counter per litre has to be reca librated from time to time by volumetric measurement In this way the most precise possible mixing ratio can be ensured over th...

Page 52: ...e precise the mixing ratio will be later on 10 Press the Calculate button to have the new K factor determined by the control system 11 Save the new settings You can quit the menu by pressing the Finished button 5 5 3 Flush parameters By the definition of flush parameters you can set a flushing program up to eight sequential steps that are worked through automatically This feature requires automati...

Page 53: ...l window The various valves involved in the function check can be controlled from here by pressing the relevant button The button for the valve currently open has a green background Only one valve can be opened at a time An open valve is automatically closed when another valve is selected This prevents material from penetrating another valve which could trigger malfunctions Fig 72 Manual valve con...

Page 54: ...automati cally during filling in Mix ratio limit when filling The output of the flushing pump in Volume flushing pump double stroke You will find this value on the flushing pump type plate The period that should pass until the Atomizer air malfunction fault mes sage will be displayed if the A component does not flow when the air flow is present in Delay of atomizer air sensor only for FLEXIMIX 1 T...

Page 55: ...ve See Factor for A flushing valve Flush pump VOC share Enter the solvent component of the flushing agent as a percentage The volume contributes to the VOC counter and is added there see section 5 4 17 on page 49 Four option buttons follow the input fields Volume unit This option should be switched to l if you want to use liters as volume unit gall if you want to use U S gallons as volume unit Sel...

Page 56: ... window the display is distribut ed across a number of windows Use the arrow buttons and to browse forwards and backwards between the various menu windows The volume unit preset in the system control is displayed between these buttons liters l or U S gallons gal The Actual line shows the current fill levels of the containers concerned Enter for all material containers Min The minimum filling level...

Page 57: ...se on the unit must be recorded in Valve management before you can set up recipes Press the button in the Setup menu shown on the left to open the Recipe management input window Enter the following data to set up a recipe Current recipe Recipe number this can be selected using the Recipe and Recipe buttons You can create up to 10 different recipes Designation Recipe name Fig 78 Recipe management V...

Page 58: ...utdown limit 0 Tolerance limit Shutdown limit 0 5 10 15 20 25 30 Seconds Deviation 5 sek Shutdown Use the Yes No button in the Enable row to specify whether the recipe is to be released for use in Recipe selection Press the Save button to save your input 5 5 9 Date and time Press the button in the Setup menu shown on the left to open the input window for setting the date and time Here you can set ...

Page 59: ...etely assembled Do not start commissioning the unit unless you have the specified protec tive equipment For details refer to chapter 2 5 4 on page 16 The material to be processed must be available in sufficient quantity In addition you will need two suitable collecting vessels for excess material These containers are not included in the scope of delivery Observe the technical notes of the respecti...

Page 60: ...ers the flush parameters etc For details on this topic refer to chapter 5 5 on page 50 6 1 3 Flushing mixing unit and spray gun The flushing pump should always be ready for use while the unit is being used so that all components coming into contact with the mixed material can be flushed within the pot life specified 1 Place the suction pipe of the flushing pump into the flushing agent drum 2 Set a...

Page 61: ...illed with material and vented in circulation mode This is a prerequisite for complying with the mixing ratio First fill and vent the metering pump for component A and then do the same for the metering pump for component B 4 Open the compressed air shut off valve at the air inlet of the A component metering pump 5 Select component A in the control system Circulate window 6 Open the return ball val...

Page 62: ...p spraying the flushing agent residues in the system into a collecting vessel until clean material starts flowing out 4 Adjust the air pressure regulator on the metering pumps to the optimal spraying pressure The metering pumps for the B side components must have have an approx 0 5 0 8 bar higher air inlet pressure than those for the A side components to enable feeding the hardener The pressure di...

Page 63: ... wrong Fig 83 Do not wave wrong Area to be coated thin layer thin layer thick layer Worn nozzles cause higher material consumption and have a negative effect on the quality of coating 6 3 Flushing When interrupting work flush all components that had contact with the mixed material within the potlife specified by the manufacturer 1 Close and lock the spray gun 2 Press the F1 function key on the con...

Page 64: ... vessels and secure them against accidental slipping out 3 Connect the flushing agent feed For metering pumps with material supply by suction pipes place the suction pipes into the drum with flushing agent belonging to the material For metering pumps with material supply by feed drums drain the mate rial off through the drain valves then fill in the flushing agent belonging to the material For met...

Page 65: ...lly back The unit is now fully cleaned and thus prepared for the initial commissioning or a prolonged decommissioning 6 6 Decommissioning The workflow for the decommissioning depends on whether you want to take the unit temporarily or for a long period or permanently out of service 6 6 1 Temporary decommissioning For a temporary decommissioning flush the unit perform a pressure release and switch ...

Page 66: ...upply on the compressor 5 Relieve the pressure from the air hose between the compressor and the compressed air connection of the unit 6 Disconnect the air hose from the the compressed air connection of the unit 7 Unplug the electrical power supply 6 7 Waste disposal At the end of use you must shut down and dismantle the unit and dispose of it in accordance with legal regulations Clean the unit tho...

Page 67: ...ese may suddenly release during disassembly work and can result in serious injuries You must be particularly careful during disassembly work When disconnecting material hoses you should cover the screw fitting with a cloth to catch any escaping material sprays After completing maintenance and repair work check the function of all the safety features and that the unit is functioning correctly 7 1 R...

Page 68: ...on the type and cleanliness of the material or with every material change Clean the high pressure filter insert and material screen in the intake system Every three months Lubricate gear wheels on the metering pump shaft encoders Every three years Inspection of the compressed air and material hos es by an expert and replacement if necessary 7 3 Recommended operating materials Only user original op...

Page 69: ... slide on the oil reservoir and unscrew the oil reservoir by turning it anti clockwise Take care of the O ring that seals the oil reservoir It may be displaced or even fall out at dismantling 2 Check whether the O ring fits correctly if necessary fit it correctly 3 Check whether there is enough lubricant when filled completely the lubricant reaches to a point approx 2 cm below the upper edge of th...

Page 70: ...for the A side components to enable feeding the hardener The A to B pressure differential is set at the pressure controller for the A component metering pumps Nr Designation 1 Adjustment screw 2 Locking screw The adjustment screw is located depending on the space in the left or right hole Fig 86 Pressure controller A of the FLEXIMIX 2 PHOENIX left and PROFESSIONAL or HERKULES right 2 1 1 2 1 1 For...

Page 71: ...nd filter element 1 Hold the housing of the high pressure filter with an open end wrench and then loosen the screw on the mixing unit 2 Unscrew the high pressure filter from the mixing unit 3 Pull the filter element out from the high pressure filter 4 Clean the filter element For this purpose use only solvents that match the material to be applied Replace the filter element if it shows any damage ...

Page 72: ...see Fig 88 No 1 and 2 At an optimum filling level the release agent is visible in the filler neck approximately 1 cm below the filler opening Top up with release agent as necessary The total fill is 50 to 150 ml depending on the pump size 2 1 Fig 88 Checking the release agent level 7 6 2 Checking release agent in the metering pumps for material residues Drain a little release agent from the drain ...

Page 73: ...elease agent in the metering valves for material residues All metering valves at the mixing unit are equipped with a release agent cham ber that shields the pneumatic part from the hydraulic part Drain a little release agent from the drain screw to check the release agent for material residues Fig 92 Drain screw Fig 93 Covered oiler If the release agent is found to be contaminated with material re...

Page 74: ...er metering results Basic position is the metering valve must be closed and depressurized 1 Loosen the locking nut 2 2 Screw the stroke limiter 1 down fully and then loosen again by 1 turns The stroke limitation may be shortened for high mixing ratios 7 1 10 1 i e only unscrewed by approximately 1 turn after it has been fully screwed down 3 Tighten the locking nut again to lock in the setting Pay ...

Page 75: ...k air line for correct size and compressor output The metering pump is running but the required spraying pressure is not being reached 1 Spray nozzle clogged 2 Spray nozzle too big 3 Spray nozzle worn 4 Air inlet pressure too low Ö Ö Clean spray nozzle Ö Ö Use smaller spray nozzle Ö Ö Replace spray nozzle Ö Ö Increase air inlet pressure on compressed air regula tor If this does not help check air ...

Page 76: ...ixing unit fully closed 5 5 Has the metering pump been fully vented Allow the material to circulate slowly to vent the metering pump 5 5 Is the sensor in the metering pump air motor loose This can be the case if the fault appears immediately 1 second after the switch over to spraying mode Check whether the sensor is firmly seated in the downwards stroke of the material pump The sensor will have to...

Page 77: ...it breaker at the material flow heater for the A or B component has tripped Ö Ö Inform electrician about the problem encountered Remote control emergency stop The emergency stop but ton at the remote control was pressed Ö Ö Check why the button was pressed If safe operation is ensured acknowledge the alarm and unlock the emergency stop button Malfunction valve 1 Malfunction valve 2 Malfunction val...

Page 78: ... of the metering pumps per cycle the pressure ratio Gewerbestr 1 3 D 35633 Lahnau Geräte Type Unit Misch Verhältnis MixingRatio FM p DH output p cycle cm fl oz Übers Verhältnis Ratio U 1 V Max Lufteingang Air bar psi Max Betriebsdruck Fluid bar psi Max Temperatur C F Serial no Model year 0 5 1 17 1 Fleximix 2 275 75 6 450 80 9 3 230 87 6525 176 2KED0220 2013 www wiwa de Fig 95 Example of a type pl...

Page 79: ... 50 m 1414 ccm 8 mm 5 m 251 ccm 8 mm 7 5 m 377 ccm 8 mm 10 m 503 ccm 8 mm 12 5 m 628 ccm 8 mm 15 m 754 ccm 8 mm 20 m 1005 ccm 8 mm 25 m 1257 ccm 8 mm 30 m 1508 ccm 8 mm 40 m 2011 ccm 8 mm 50 m 2513 ccm Di L Vol 10 mm 5 m 393 ccm 10 mm 7 5 m 589 ccm 10 mm 10 m 785 ccm 10 mm 12 5 m 982 ccm 10 mm 15 m 1178 ccm 10 mm 20 m 1571 ccm 10 mm 25 m 1963 ccm 10 mm 30 m 2356 ccm 10 mm 40 m 3142 ccm 10 mm 50 m ...

Page 80: ...c Slovakia Slovenia Luxembourg Bulgaria Egypt Libya United Arab Emirates Oman Dubai Abu Dhabi Qatar Bahrain Kuwait Saudi Arabia Iran Iraq Cyprus Iceland Syria Lebanon Support of WIWA sales directors representatives and distributors in South America except Cuba and Mexico South East Asia Japan South Korea Australia and New Zealand Hoekstraat 57 3751 AL Spakenburg The Netherlands Mobil 31 6 18 88 40...

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