Operating manual - Fan CF-C Table of contents
2004930 10.19/0.2 www.elektror.com 5 of 84
EN
7.3 Installation and assembly of the fan ............................................................................ 49
7.3.1 Test run ................................................................................................................... 49
7.3.2 Rotation direction control ......................................................................................... 49
7.3.3 Switching the wrong direction of rotation ................................................................. 50
7.3.4 Installation and assembly of the fan ......................................................................... 50
7.3.4.1 Start-up after direct connection ................................................................................ 51
7.3.4.2 Start-up in the case of a star-delta connection ......................................................... 51
7.3.4.3 Avoiding high, peak torque values in test run ........................................................... 51
7.3.4.4 Operation of a fan with frequency converter ............................................................ 51
7.3.5 Shutting down the fan .............................................................................................. 51
8 Operation of the fan .................................................................................................. 52
8.1 Safety rules ................................................................................................................. 52
8.2 Personal protective equipment .................................................................................... 52
8.3 Activities and qualifications ......................................................................................... 53
8.4 Behaviour of the fan during operation .......................................................................... 53
8.5 Emergency shutdown of the fan .................................................................................. 54
8.6 Automatic operation of the fan ..................................................................................... 54
8.6.1 Rotational speed control by means of a frequency converter ................................... 54
8.6.2 Natural frequency of the fan .................................................................................... 55
8.6.3 Parameterisation of the frequency converter ........................................................... 55
8.6.4 Adjustment range of rotational speed ...................................................................... 55
8.7 Disturbances, error search and troubleshooting .......................................................... 55
8.7.1 Searching for errors ................................................................................................. 55
8.7.2 Troubleshooting ....................................................................................................... 56
8.7.3 Disturbances ........................................................................................................... 56
8.7.3.1 Disturbances of bearing system ............................................................................... 57
8.7.3.2 Clutch disturbances ................................................................................................. 57
8.8 Maintenance ............................................................................................................... 58
8.8.1 Before the start of maintenance work ...................................................................... 58
8.8.2 Cleaning of the fan. ................................................................................................. 58
8.8.3 Fan maintenance ..................................................................................................... 59
8.8.4 Maintenance schedule ............................................................................................. 60
8.8.5 Lubrication of the fan ............................................................................................... 65
8.8.5.1 Special tools, equipment and materials ................................................................... 65
8.8.5.2 Lubricants ................................................................................................................ 65
8.8.5.3 Symbols in lubrication schedules ............................................................................. 65
8.8.5.4 Lubrication schedule (Fan with bearing block) ......................................................... 66
8.8.5.5 Lubrication schedule (Fan with single pedestal bearing) .......................................... 68
8.8.5.6 Maintenance of rolling bearings ............................................................................... 70
8.8.5.7 Notes on lubrication intervals ................................................................................... 70
8.8.5.8 Lubricants data ........................................................................................................ 71
8.8.6 After maintenance activities ..................................................................................... 71
8.9 Repair ......................................................................................................................... 71
8.9.1 Performing repairs ................................................................................................... 71
8.9.2 Repairs of the fan .................................................................................................... 73
8.9.3 Spare Parts ............................................................................................................. 74
8.9.4 Impeller replacement ............................................................................................... 74
9 De-commissioning of the fan ................................................................................... 76
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