Dorr EcoBell2 SL EC - Page 6

Operating Manual
© Dürr Systems AG
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EcoB
ell2 SL EC - Rotating Atomizer with External Charging
Document No.: MRA00001EN
Version:: 07 • As of:: 01/2020
6.4.3 Testing the paint flow control (volumetric measurement) ................................ 75
6.5 Purging .................................................................................................. 78
6.5.1 Purging sequence ............................................................................................ 78
6.5.2 Detergent ......................................................................................................... 78
6.6 Checks during operation ........................................................................ 79
7 Cleaning and maintenance.................................................................. 80
7.1 Safety Instructions ................................................................................. 80
7.1.1 Cleaning ........................................................................................................... 81
7.1.2 Servicing and maintenance ............................................................................. 82
7.2 Cleaning agents ..................................................................................... 83
7.2.1 Recommended cleaning agents ...................................................................... 84
7.3 Cleaning and maintenance plan............................................................. 85
7.4 Cleaning ................................................................................................. 87
7.4.1 Cleaning procedure A ...................................................................................... 88
7.4.1.1 Pre-cleaning with non-flammable detergent .................................................... 88
7.4.1.2 Main cleaning with n-propanol or iso-propanol ................................................ 88
7.4.1.3 Drying the atomizer .......................................................................................... 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
7.4.3.3 Electrode fingers .............................................................................................. 91
7.4.3.4 Bell disk............................................................................................................ 92
7.4.3.5 Drying the atomizer .......................................................................................... 93
7.4.3.6 Final work ........................................................................................................ 93
7.5 Maintenance work .................................................................................. 94
7.5.1 Assembling the bell disk .................................................................................. 95
7.5.1.1 Unscrewing the bell disk from the shaft ........................................................... 95
7.5.1.2 Checking the distributor disk ........................................................................... 96
7.5.1.3 Screwing the bell disk onto the shaft ............................................................... 99
7.5.1.4 Final check ..................................................................................................... 102
7.5.2 Installing and dismantling the nozzle ............................................................. 102
7.5.2.1 Dismantling the nozzle ................................................................................... 102
7.5.2.2 Installing the nozzle ....................................................................................... 103
7.5.3 Replacing the electrodes ............................................................................... 103
7.5.3.1 Removing the electrodes ............................................................................... 104
7.5.3.2 Installing the electrodes ................................................................................. 104
7.5.4 Dismounting and mounting atomizer body .................................................... 104
7.5.4.1 Dismantling the atomizer body ...................................................................... 104
7.5.4.2 Install atomizer housing ................................................................................. 106