
Operation manual
-9-
tothe startingequipment.
6.Persons switchingonremotelycontrolledmachines shall takeadequateprecautionsto
ensurethatthereisno onecheckingor workingonthemachine.Tothis end,asuitable
noticeshall beaffixedtotheremotestartequipment.
7.Closethecompressor airoutlet valvebeforeconnecting ordisconnecting apipe.
8.Beforeremoving anypressurized component, effectivelyisolatethe machinefromall
sourcesofpressure andrelievethe entiresystemofpressure.
9.Never useflammablesolventsor carbon tetrachloride forcleaningparts.Takesafety
precautions againsttoxic vapours ofcleaningliquids.
10.Scrupulouslyobservecleanliness duringmaintenanceandrepair.Keep dirt awayby
covering the parts andexposed openingswithaclean cloth,paperortape.
11.Neverweldorperformanyoperationinvolvingheat neartheoil system.Oiltanks mustbe
completelypurged, e.g.bysteam-cleaning,before carrying outsuchoperations. Never
weldon ,or inanyway modify, pressurevessels.
12.Whenever there is an indication or anysuspicion that ainternalpartofmachine is
overheated, the machine shall bestoppedbutnoinspectioncoversshall beopened before
sufficient coolingtimehaselapsed;this toavoidtherisk of spontaneousignition oftheoil
vapour whenairis admitted.
13.Neverusealightsourcewithopenflamefor inspecting the interior of amachine,pressure
vessel, etc.
14.Makesurethatno tools,loosepartsor ragsare leftinor onthemachine.
15.All regulating andsafetydevices shall bemaintainedwithduecare toensurethattheir
function properly.They maynotbeputoutofaction.
16.Before clearingthe machine foruseaftermaintenanceoroverhaul, check thatoperating
pressures,temperatures andtimesetting arecorrect.Check thatall controlandshut-down
devicesare fittedandthat theirfunctioncorrectly. If removed,check thatthecouplingguard
ofthe compressor driveshafthas beenreinstalled.
17.Everytimetheseparatorelementisrenewed,examinethedischarge pipe andtheinsideof
theoil separator vessel forcartondeposits; ifexcessive, the deposits shouldberemoved.
18.Protectthe motor, airfilter, electrical and regulatingcomponents, etc.topreventmoisture
fromenteringthem,e.g. whensteam-cleaning.
19.Makesurethatallsound-dampingmaterial,e.g.on thebodyworkandinairinletandoutlet
systems ofthecompressor,isingood condition.Ifdamaged,replaceit bygenuinematerial
fromthe manufacturertopreventthesoundpressurelevelfromincreasing.
20.Neverusecaustic solvents whichcandamage material oftheairnet e.g. polycarbonate
bowls.
21.Thefollowingsafetyprecautions arestressedwhenhandling refrigerant:
1)Never inhalerefrigerant vapours. Check that theworkingareais adequatelyventilated; if
required, usebreathing protection.
2)Alwayswear specialgloves. Incaseof refrigerantcontact withtheskin, rinsetheskin
withwater. If liquidrefrigerantcontacts theskinthrough clothinguntil,all refrigerantis
flushedaway; thenseekmedical firstaid.
22.Protecthands toavoidinjuryfromhotmachine parts, e.g.during drainingofoil.
Alsoconsult followingsafetyprecautions; Safetyprecautionsduring
operation andsafetyprecautionsduring maintenance.
These precautionsapplytomachineryprocessing orconsuming airorinlet
gas.
Processing ofany othergasrequiresadditional safetyprecautionstypical
totheapplication whicharenotincludedherein.
Someprecautionsaregeneralandcoverseveralmachinetypesand