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Invacare IRC5PO2 Oxygen Equipment User Manual

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SECTION 23—LEAK TEST

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76 Part No 1148070

SECTION 23—LEAK TEST

ƽ DANGER

Topreventelectricalshock,ALWAYSdisconnectconcentratorfromelectricaloutlet

beforeservicing.

Leak Test

NOTE:Forthisprocedure,refertoFIGURE 23.1onpage 77.

1. Unplugunit.

2. Removecabinet.RefertoRemovingCabinet

onpage 23.

3. Pluginunit.

4. Turntheconcentratoron().

5. Letconcentratorrunfor20minutes.

ƽ WARNING

Applysmallamountofleaktestsolutiontofittingsonly.Avoidallothercomponents.DO

NOTleaktest4‐wayvalvebody.Carefullyleaktestforpressureleaksaroundsievebed

hosesat4‐wayvalve.DONOTallowleaktestsolutiontoenterinto4‐wayvalveand

system.

6. Withʺleak‐test”solutionorequivalentsoapywater,leaktestthefollowing:

A. Thetwosievebedhoseconnectionatthe4‐wayvalve/manifoldassembly

(Detail”A”).

B. Leaktestthehosefittingoncenterportof4‐wayvalve/manifoldassembly.

C. Hoseconnectionstotopandbottomfittingsofsievebeds.

D. P.E.valvehoseconnections.

E. Hose

fittingsatproducttankcapandcheckvalves(Detail“B”).

F. Bothfittingsonheatexchangerassembly(Detail“C”).

7. Replaceanytubingthatappearscracked,worn,etc.

8. Re‐installcabinet.RefertoRemovingCabinet

onpage 23.

9. RefertoTypicalProductParametersonpage 8forconcentrationlevels.Iflow

concentrationsareobserved,refertoTroubleshootingonpage 16.

I/

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