wiwa DUOMIX 270, Operation Manual

Page 1: ...3 Ground cables 14 2 5 Operating and maintenance personnel 15 2 5 1 Obligations of the machine owner 15 2 5 2 Personnel qualifications 15 2 5 3 Authorised operator 15 2 5 4 Personal protective equipme...

Page 2: ...n 31 5 1 3 Clean the machine 31 5 1 4 Fill machine with processing material and vent 31 5 2 Coating 32 5 2 1 Adjusting spraying pressure 32 5 2 2 Setting the pressure and metering monitoring 32 5 2 3...

Page 3: ...original operating instructions DUOMIX 270 5 DM270_BAoDB_en_1507 rs Contents 6 6 Recommended operating materials 42 6 7 Special tools 42 7 Troubleshooting 43 8 Technical data 44 8 1 Machine card 44 8...

Page 4: ...erials BGR 500 chap 2 36 Working with liquid jet sprayers both from the pro fessional association for gas district heating and water management We recommend enclosing all relevant directives and accid...

Page 5: ...in particular the Safety chapter Your safety depends on it We recommend that the machine owner have this confirmed in writing 2 1 Explanation of symbols Safety information warns of potential accident...

Page 6: ...ion to wear safety goggles in order to prevent eye injuries due to material spray gases vapours or dust Use hearing protection Signals an instruction to wear hearing protection in order to prevent dam...

Page 7: ...erating pressures the lowest value always applies as the maximum operating pressure for the complete machine Material hoses and hose connections must comply with the maximum operating pressure includi...

Page 8: ...ntainer wall Only use electrically conductive material hoses All original material hoses from WIWA are conductive and designed for our machines WARNING If the machine becomes contaminated with materia...

Page 9: ...s whereby a failure of the machine could lead to dangers to personnel the owner is required to imple ment appropriate safety measures If agitators heaters or other electrically operated accessories ar...

Page 10: ...ency Shut off power supply and relieve pressure En cas d urgence Bloquer l alimentation en nergie et rel cher la pression En caso de emergencia Cortar el suministro de energ a y despresurizar el siste...

Page 11: ...ompo nents monitored by the safety valve exceeds the limit value setting the safety valve installed here discharges Fig 2 Safety valve Check the function of a safety valve this way Increase the air in...

Page 12: ...automati cally However some pressure may remain in the material Carry out a complete pressure release before starting any work on the equipment open closed Fig 3 Compressed air shut off valve 2 4 3 Gr...

Page 13: ...ween 2 groups of personnel depending on their qualifications Instructed operator has received verified instruction from the machine owner regarding the tasks entrusted to him and the possible risks in...

Page 14: ...shoes in order to prevent foot injuries due to falling toppling or rolling objects as well as slipping on slippery floors 2 6 Guarantee information Observe our general terms and conditions of busines...

Page 15: ...ed decommissioning please observe Chap 5 7 on page 35 After remedying the emergency situation the machine must be flushed see Chap 5 3 on page 33 Observe the pot life of the materials used 2 7 2 Leaks...

Page 16: ...ard enclosed or on the type plate 3 1 Intended use Using the DUOMIX 270 it is possible to apply 2K coatings with a fixed mixing ratio to a surface It is possible to process low to high viscosity 2K ma...

Page 17: ...ering monitoring 3 Main switch 4 Contact manometer for the pressure and metering monitoring 5 Temperature displays for the A and B component 6 Pressure gauge for the material pressure of the A compone...

Page 18: ...w of the DUOMIX 270 16 17 18 19 21 24 23 22 20 No Designation 16 Proportioning pump 17 Agitator 18 Feed tank for the B component 19 Feed tank for the A component 20 Frame 21 Control box for electrical...

Page 19: ...ortioning pump Flushing pump Fig 7 Compressed air regulation unit The functional principle of all compressed air regulators on the machine is the same In order to increase the pressure turn them clock...

Page 20: ...s and colors The measurement is carried out by temperature sensors installed in the high pressure filters A B 45 6 C 44 8 C Fig 9 Temperature displays 3 7 Proportioning pump During spray operation or...

Page 21: ...spray gun Fig 11 Mixing unit 1 2 3 4 5 6 0 I 0 I 0 0 I I Fig 12 Shift pattern No Designation 1 Lever for opening and closing the return ball valves 2 Lever for opening and closing the fluid inlets to...

Page 22: ...parately Finally flush with both levers in the flushing position 3 9 Flushing pump In flushing mode the flushing pump con veys the flushing agent from the flushing agent tank via the mixing unit to th...

Page 23: ...lectrical connections The material flow heaters are switched on and off using the main switch on the control panel The temperature regu lators are directly located on the fluid heaters Observe and adh...

Page 24: ...s possi ble in order to keep the tipping moment to a minimum Caution danger of tipping Ensure even load distribution to secure the ma chine against tipping over When lifting or loading the machine do...

Page 25: ...ls and safety devices are easy to reach Safety measures at the installation site For safe operation of the machine stability and sufficient free space must be guaran teed When equipped with swivel rol...

Page 26: ...osed and that all air pressure regulators have been fully regulated back 4 3 1 Connect the spray hose and spray gun WARNING Parts that are not designed for the maximum permissible operating pressure o...

Page 27: ...Sie die Druckluftleitung so dass keine Stolpergefahr f r das Bedienungspersonal entsteht In order that the required quantity of air is guaranteed the compressor out put must comply with the air requir...

Page 28: ...should occur bring the respective pump to an immediate standstill and trace the material 5 1 Putting the machine into operation Before starting work check 5 5 Are all the safety features present and...

Page 29: ...ning it is therefore necessary to fully clean the machine in order to flush out the remaining test medium see chapter 5 5 on page 34 5 1 4 Fill machine with processing material and vent Make sure that...

Page 30: ...pressure has been attained when an even material application is obtained with fading edge zones Only operate the unit with the air pressure required in order to attain good atomisation at the recommen...

Page 31: ...pray gun leads to an uneven coating see Fig 23 Release the trigger before stopping the move ment Change the spray nozzle before this becomes worn Fig 22 Spray angle right wrong Fig 23 Spray gun guidan...

Page 32: ...to test correct functioning When changing materials If you want to decommission the machine for a longer period of time WARNING Explosive gases may be generated by the evaporation of flushing agent w...

Page 33: ...and thus prepared for a prolonged decommissioning 5 6 Material change The machine has been specially configured for your application case It is necessary to check compatibility of the materials used w...

Page 34: ...spray material cleaning fluids oil greases and other chemical substances according to the legal regulations for recycling or disposal The official local waste water protection laws apply At the end o...

Page 35: ...aintenance information in the operating instructions for the optional accessories Prior to maintenance and repair work 1 Shut off the compressed air supply 2 Disconnect the electrical power supply 3 D...

Page 36: ...machine s place of use 6 2 Maintenance schedule The information in the maintenance schedule constitutes recommendations only The time frames may vary depending on the characteristics of the ma terial...

Page 37: ...m from the compressed air This prevents condensate from penetrating the machine as well as the static charging of the pneumatic hoses The accumulated condensation water is drained off through the dra...

Page 38: ...e following maintenance elements No Description 1 To fill in release agent open the lid of the flu id reservoir and inject release agent using the dosing bottle 2 The release agent level in the fluid...

Page 39: ...3 of the high pressure filter 5 3 Loosen the nut 3 4 Remove the filter element 2 5 Clean the filter element with solvent If the filter element is damaged it should be replaced with a new filter eleme...

Page 40: ...e original operating materials from WIWA Operating materials WIWA order number Release agent 0 5 l 0163333 Release agent for isocyanate 0 5 l 0640651 Anti freeze agent 0 5 l 0631387 Pneumatic oil 0 5...

Page 41: ...uction system and loosen the ball in the bottom valve from underneath Bottom valve does not close in the downwards stroke Unscrew the bottom valve thoroughly clean the ball and the seat The proportion...

Page 42: ...he pressure ratio the mixing ratio the total output of the proportion ing pump per double stroke the maximum permissible air intake pressure and operating pressure and Gewerbestra e 1 3 35633 Lahnau G...

Page 43: ...urthermore some machine components have a separate type plate such as the air motor for the proportioning pump the material pumps for the A and B component the flushing pump the control cabinet etc Th...

Page 44: ...ee 1 855 757 0141 E Mail jwold wiwalp com Homepage www wiwalp com WIWA Subsidiary China WIWA Taicang Co Ltd Building A of Huaxin Industrial Park No 11 East Qingdao Road Taicang City Jiangsu Province 2...