
9 Maintenance
9.1 Maintenance table .............................................................................................. 121
9.2 Resources for maintenance and repairs ..............................................................122
9.2.1 Bolt torques ........................................................................................................ 122
9.2.2 Bolt tightening sequence .................................................................................... 123
9.2.3 Adhesive and sealant .......................................................................................... 123
9.2.4 Lubricant .............................................................................................................124
9.2.5 Lubrication oil ..................................................................................................... 125
9.2.6 Test material ....................................................................................................... 127
9.2.7 Filter cartridges ...................................................................................................127
9.3 Checking the unit for leaks ................................................................................. 128
9.4 Depressurising the unit .......................................................................................129
9.4.1 De-pressurising the filter circuit ..........................................................................129
9.5 Maintenance activities - Intake section ...............................................................130
9.5.1 Maintenance work .............................................................................................. 130
9.6 Maintenance activities - Lubricating oil system ...................................................132
9.6.1 Maintenance work .............................................................................................. 133
9.6.2 Changing the oil type .......................................................................................... 137
9.7 Maintenance activities filter system ....................................................................138
9.7.1 General maintenance advices ............................................................................. 138
9.7.2 Checking the load cycles .................................................................................... 138
9.7.3 Determine the cartridge service life ....................................................................139
9.7.4 Changing the cartridge of the filter vessel .......................................................... 143
9.8 Check filling hoses ..............................................................................................144
9.9 Maintenance activities pressure retention valve ................................................. 145
9.9.1 Checking the pressure maintaining valve ............................................................145
9.9.2 Adjusting the pressure retention valve ................................................................146
9.10 Maintenance activities safety valves ...................................................................147
9.10.1 Checking the blow-off pressure of safety valves ................................................. 148
9.11 Maintenance activities pressure gauge ...............................................................150
9.12 Maintenance activities - Intake valves and pressure valves ................................ 150
9.12.1 Replacing the suction valves and pressure valves ...............................................150
9.13 Maintenance activities - Automatic condensate drain .........................................151
9.13.1 Testing the condensate valves ............................................................................ 151
9.13.2 Checking the function of automatic condensate drain ........................................152
9.14 Maintenance activities gas measurement unit ....................................................154
9.14.1 Checking the sensors ..........................................................................................154
9.14.2 Calibrating the sensors ....................................................................................... 156
9.14.3 Replacing the sensors .........................................................................................159
9.14.4 Replacing the filters ............................................................................................ 161
OPERATING MANUAL
02.12.2019
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