User Manual

Midi-Horizontal Instructions 9-24-13

SECTION 5

Maintenance of Equipment

5.1 Care and Handling

TheplasticcomponentsoftheMidi-Horizontalunitsarefabricatedfromacrylicand

polycarbonate.Electrodesandconnectorsaremadefrompureplatinum,stainless

steel,andchromeplatedbrass.Aswithanylaboratoryinstrument,adequatecare

ensuresconsistentandreliableperformance.

Aftereachuse,rinsebufferchamber,geltrayandcombswithde-ionizedwater.Wipe

drywithasoftclothorpapertowel,orallowtoairdry.Whenevernecessary,allcompo-

nentsmaybewashedgentlywithwaterandanon-abrasivedetergent,andrinsedand

driedasabove.Neveruseabrasivecleaners,glasscleaningspraysorscouringpadsto

cleanthecomponents,asthesewilldamagetheunitandcomponents.

Additional precautions:

• Donotautoclaveordry-heatsterilizetheapparatusorcomponents.

• Donotexposetheapparatusorcomponentstophenol,acetone,benzene,

 halogenatedhydrocarbonsolventsoralcohols.

• AvoidprolongedexposureoftheapparatusorcomponentstoUVlight.

• DoNOTtreatwithdiethylpyrocarbonate(DEPC)-treatedwaterforextended

 periodsat37°C.AbriefrinsewithDEPC-waterissufcientafterathorough

 wash,followedbyaquickrinsein50%ethanol.

5.2 Maintenance

Thefollowinginspectionandmaintenanceprocedureswillhelpmaintainthesafety

andreliableperformanceoftheMidi-Horizontalsystems.Replacementpartscanbe

orderedbycalling1-858-755-4959orbycontactingyourlocaldistributor.

• Bananaplugsandpowercordsshouldbeinspectedregularly.Ifthebanana

 plugsbecomelooseordonotfeelfrictiontightreplacetheplugsorpower

 cords.

• Shouldpowercordassemblies(connectors,wireorshrouds)showanysigns

 ofwearordamage(e.g.cracks,nicks,abrasions,ormeltedinsulation),replace

 themimmediately.

• Theplatinumwireissecuredtothebananajackbycompressionbetweena

 stainlesswasherandthejacknut.Thenut/washerinterfaceshouldbetight

 andfreeofcorrosion.