ChemoMetec SCC-400 - Manual (Page 38)

7!Maintenance!of!NucleoCounter!SCC0400!
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7 Maintenance,of,NucleoCounter,SCC.400,
7.1 Cleaning,Instrument,
7.1.1 Instrument-enclosure.-
Depending!on!the!environment!in!which!the!NucleoCounter!SCC0400!is!operated,!it!is!
suggested!that!regular!cleaning!of!the!enclosure!is!carried!out.!When!cleaning!the!
enclosure!it!is!recommended!to!use!a!soft!moist!cloth!and!gently!wipe!the!surface.!Any!
contamination,!which!does!not!come!off!immediately,!should!be!rubbed!gently!with!a!cloth!
wetted!with!mild!detergent.!Never!use!organic!solvents!or!aggressive!detergents!to!clean!
the!exterior!of!the!NucleoCounter!SCC0400!as!this!might!damage!the!surface.!Cleaning!of!
the!enclosure!on!a!daily!basis!should!be!performed!using!a!mild!detergent.!!
7.1.2 Sample-Intake-
When!cleaning!the!sample!intake!region,!great!care!must!be!taken!against!introducing!any!
liquid!or!dust!into!the!NucleoCounter!SCC0400.!Any!liquid!that!enters!the!interior!of!the!
NucleoCounter!SCC0400!can!damage!the!optical!parts!and!thus!compromise!the!quality!of!
the!cell!counts.!
In!case!of!liquid!spillage!in!the!sample!intake!region!the!sample!compartment!should!be!
removed,!inspected!for!contamination!and!cleaned!carefully!if!needed.!
7.1.3 Spill-of-liquid-
If!liquid!has!been!spilled!on!the!instrument!it!can!contaminate!elements!of!the!optical!
system.!This!contamination!can!show!up!in!the!image!in!several!ways!and!have!many!
causes!but!a!common!feature!is!that!it!cannot!be!removed!by!the!use!of!compressed!air.!
Even!though!such!phenomena!are!visible!on!the!image!it!only!rarely!affects!the!results!of!
the!NucleoCounter!SCC0400.!Since!it!is!possible!to!damage!the!optical!system!while!
attempting!to!clean!the!system!it!is!recommended!that!ChemoMetec!A/S!should!be!
consulted!before!the!user!attempts!such!cleaning.!!
7.2 Sample,Compartment,
An!object!on!the!surface!of!an!optical!component!can!influence!the!collected!image.!A!
contaminant!will!normally!be!visible!as!a!faint!object!in!the!image.!In!case!the!
contamination!is!on!sample!compartment!windows!they!should!be!carefully!cleaned!to!the!
extent!that!no!contamination!is!visible!when!performing!Rinse!operation.!
7.2.1 Removal-of-Sample-Compartment-
The!sample!compartment!is!removed!by!first!loosening!the!screws!holding!the!back!plate!
of!the!sample!compartment!as!shown!in!the!following!figure!(A).!Then!the!plate!is!carefully!
lifted!off!using!a!suitable!tool!(B),!avoiding!damaging!the!surface!of!the!instrument!with!
the!tool.!