User guide

7|Maintenance BÜCHILabortechnikAG
90/110 PrepChromC700
7.2.4 Pistoncleaningdisc,cleaning
NOTICE
Riskofelectricaldamage.
Connectingthepistoncleaningdiscscancauseelectricaldamageduetomiss
ingtubes.
u Donotremovetheplugsofthepistoncleaningdiscinandoutlet.
u ThepistoncleaningdiscsneedtobeinstalledbyaBUCHIcustomerser
vicerepresentative.
ð 8.1 Customer service [} page97]
7.3 Replacement
CAUTION
Riskofchemicalburnsduetohighpressureinthesystem.
Liquidcanescapefromfittingsorconnectionsandminorinjuriescanresult.
u Wearprotectivegoggles.
u Wearprotectivegloves.
u Wearprotectiveclothes.
7.3.1 UVDetectorcover,removal
WARNING
Riskofelectricshock.
Seriousinjuriescanresult.
u Switchoffthesystem.
u Disconnectall5powersupplycables.
u Waituntilthedetectorlampiscooleddown(approx.15minutes).
u 6.2 Switch off the system [} page71].
u Disconnectall5powersupplycables.
u DisconnecttheRS232cablefromtheUVDetectormodule.
u Letthelampcooldown15minutes.
u RemovethetubesfromtheUVDetectormodule.
u Remove2hexscrews(1),washers,spacersandtheleftcolumnhold
er(2).
u RemovetheUVDetectormoduleandplaceitonasuitableplace.