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5 Commissioning
Thesafetyhintsintheprevioussectionsmustbeobserved!
Beforecommissioning,theunitshouldbecheckedandafunctionaltestcarriedout.Particularattentionshould
be paid to the following:
- Havetheelectricalconnectionsbeencarriedoutinaccordancewithregulations?
- Isthemotoroverloadswitchcorrectlyset?
- Wasthesumpcleanedout?
- Havetheinowandoutowsofthepumpstationbeencleanedandchecked?
- Isthedirectionofrotationcorrect-evenifrunviaanemergencygenerator?
- Arethelevelcontrolsfunctioningcorrectly?
- Aretherequiredgatesvalves(wheretted)open?
- Dothenon-returnvalves(wheretted)functioneasily?
- Doesthepumpsitcorrectlyonthepedestal?
- Aretheswitchingonandswitchingolevelssetcorrectly?
6 Maintenance and service
Beforecommencinganymaintenanceworkthepumpshouldbecompletelydisconnectedfromthe
mainsbyaqualiedpersonandcareshouldbetakenthatitcannotbeinadvertentlyswitchedback
on.
Whencarryingoutanyrepairormaintenancework,thesafetyregulationscoveringworkinenclosed
areas of sewage installations, as well as good general technical pratices, should be followed.
Servicingmustonlybecarriedoutbyqualiedpersonnel.
Toavoiddangerifthepowercableisdamaged,itmustbereplacedbythemanufactureroritsservice
agentorasimilarlyqualiedperson.
NOTE Themaintenancehintsgivenherearenotdesignedfor“do-it-yourself”repairsas
specialtechnicalknowledgeisrequired.
NOTE AmaintenancecontractwithourServiceDepartmentwillguaranteeyouthebest
technicalserviceunderallcircumstances.
6.1 General maintenance hints
Sulzersubmersiblepumpsarereliablequalityproductseachbeingsubjectedtocarefulnalinspection.
Lubricated-for-lifeballbearingstogetherwithmonitoringdevicesensureoptimumpumpreliabilityprovidedthat
the pump has been connected and operated in accordance with the operating instructions.
Should,nevertheless,amalfunctionoccur,donotimprovisebutaskyourSulzerCustomerServicedepartment
for assistance.
Thisappliesparticularlyifthepumpiscontinuallyswitchedobythecurrentoverloadinthecontrolpanelorby
the alarm.
Regularinspectionandcareisrecommendedtoensurealongservicelife.
NOTE TheSulzerserviceorganisationwouldbepleasedtoadviseyouonanyapplications
youmayhaveandtoassistyouinsolvingyourpumpingproblems.
NOTE TheSulzerwarrantyconditionsareonlyvalidprovidedthatanyrepairworkhasbeen
carriedoutinaSulzerapprovedworkshopandwhereoriginalSulzerspareparts
have been used.