
8.1 Fault finding and fault correction .......................................................................... 85
8.1.1 Fault finding in drive motor ................................................................................... 85
8.1.2 Fault finding in compressor block ......................................................................... 85
8.1.3 Fault finding in automatic condensate drain ......................................................... 86
8.1.4 Fault finding in electrical control system ...............................................................87
8.1.5 Error display B-TIMER ............................................................................................87
9 Maintenance
9.1 Evidence of maintenance ...................................................................................... 89
9.2 Maintenance table ................................................................................................ 89
9.3 Resources for maintenance and repairs ................................................................90
9.3.1 Bolt torques .......................................................................................................... 90
9.3.2 Bolt tightening sequence .......................................................................................91
9.3.3 Lubricant ...............................................................................................................91
9.3.4 Lubrication oil ....................................................................................................... 92
9.3.5 Adhesive and sealant ............................................................................................ 94
9.3.6 Test medium ......................................................................................................... 94
9.3.7 Filter cartridges .....................................................................................................95
9.4 Maintenance activities - Lubricating oil system .....................................................96
9.4.1 Checking the oil level ............................................................................................ 96
9.4.2 Oil change ............................................................................................................. 97
9.4.3 Changing the oil type .......................................................................................... 100
9.4.4 Venting the oil pump ...........................................................................................101
9.5 Maintenance activities - Intake section ...............................................................102
9.5.1 Replacing the intake filter ................................................................................... 102
9.6 Maintenance activities filter system ....................................................................103
9.6.1 General maintenance advices ............................................................................. 103
9.6.2 Checking the load cycles .................................................................................... 104
9.6.3 De-pressurising the unit ......................................................................................105
9.6.4 Determine the cartridge service life ....................................................................106
9.6.5 Changing the cartridge of the purifier ................................................................. 109
9.7 Maintenance activities pressure retention valve ................................................. 112
9.7.1 Checking the pressure retention valve ................................................................112
9.7.2 Adjusting the pressure retention valve ................................................................112
9.8 Maintenance activities for filling equipment ........................................................113
9.8.1 Check filling hoses ..............................................................................................113
9.8.2 Maintaining the filling valves ...............................................................................114
9.9 Maintenance activities safety valves ...................................................................116
9.9.1 Checking the function .........................................................................................117
9.9.2 Checking the blow-off pressure .......................................................................... 117
OPERATING MANUAL
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A_Profi-Line_002_en
18.12.2018