7|Cleaningandservicing BÜCHILabortechnikAG
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7 Cleaningandservicing
NOTE
Usersmayonlycarryouttheservicingandcleaningoperationsdescribedinthissec
tion.
Anyservicingandrepairworkwhichinvolvesopeningupthehousingmayonlybe
carriedoutbyBUCHIservicetechnicians.
u UseonlygenuineBUCHIconsumablesandsparepartsinordertoensurecorrect
operationofthedeviceandpreservethewarranty.
7.1 Cleaningthehousing
IMPORTANT
Riskofaciddamage
Thehousingoftheunitismadeofplastic.Escapingacidmaydamagethematerial.
u Immediatelyremoveanydropsofacidwithadampcloth.
u Onlyuseadampclothtocleanthedevice.
u Tocleanthehousing,onlyuseethanolorsoapywater.
7.2 Checkingseals
Sealsarewearparts.Theyhavetoberegularlyinspected,cleanedand,ifnecessary,
replaced.Thelifeofasealdependsonhowmuchitisusedandhowwellitislooked
after.
u Removesealfromvacuumconnection(1)andexaminefordamageandcracks.
u Rinseintactsealsinwaterorethanolanddrywithasoftcloth.
u Replacedamagedseals.
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