
Tableofcontents
1.Informationconcerningthedocument...............................................................................4
1.1.Scopeandintendeduseofthemanual.......................................................................................4
1.2.Intendeduseofthecompressorandconditionsofsafeuse......................................................4
1.3.Qualificationrequirementsforoperationofthecompressor....................................................5
1.4.Operation.....................................................................................................................................5
1.5.Otherremarksandinstructions..................................................................................................6
1.6.Warranty......................................................................................................................................6
2.Operatingsafetyrules.........................................................................................................6
2.1.Basicrequirementsforsafetransportandpositioningofthescrewcompressor......................7
2.2.Operatingsafetyrequirements...................................................................................................8
2.3.Otherhazards..............................................................................................................................8
2.4.Meaningofpictograms................................................................................................................9
3.Technicaldata.................................................................................................................................9
4.Setting................................................................................................................................10
4.1.Roomrequirements...................................................................................................................10
4.2.Requirementsconcerningelectricalsystem.............................................................................11
4.3.Compressedairconnection.......................................................................................................11
5.Screwcompressoroperatingdescription..........................................................................12
5.1.ScrewcompressorKOMPBERGZX75–operatingdescription..................................................12
Technologicaldiagram......................................................................................................................14
6.Start‐up..............................................................................................................................17
6.1.Start‐uppreparation..................................................................................................................17
6.2.Restart(afterlongerdowntime)...............................................................................................18
7.Maintenance......................................................................................................................19
7.1Generalrequirements................................................................................................................19
7.2.Maintenanceandchecks...........................................................................................................20
7.2.1Maintenanceatthebeginningofcompressoruse,afteroilanddrivebelts(ifpresent)
change..........................................................................................................................................20
7.2.2Dailymaintenance..............................................................................................................20
7.2.3Periodicmaintenance.........................................................................................................20
7.2.4Warrantyandpost‐warrantychecks..................................................................................20
7.3.Basiccomponentsrequiringmaintenance.Maintenanceoperations................................21
7.3.1.Airfiltercartridge..............................................................................................................21
7.3.2Cleaningorreplacingthefiltermats..................................................................................21
7.3.3.Oilfilter..............................................................................................................................22
7.3.4.Oillevel..............................................................................................................................22
7.3.5Changingoil........................................................................................................................23
7.3.6.Handlingwastesproducedwhileoperatingthecompressor............................................24
7.3.7Oilcooler(exchanger)/interstage/finalair.....................................................................24
7.3.8..Electricmotor...................................................................................................................25
7.3.9Safetyvalve.........................................................................................................................25
8.Troubleshooting.................................................................................................................26
9.Consumablesforoneyearguarantee...............................................................................30
10.Electricalscheme.............................................................................................................30