GeneralPrecautionsforRemovingandInstallingAirConditioning
SystemComponents(continued)
9.TheGroundsmaster5910airconditioningsystemusesR134arefrigerant.
DONOTuseotherrefrigerantsinthesystem.A/Csystemcapacityis3.43lb
ofR134arefrigerant.
10.Refrigerantcontainers(eitherfullorempty)areunderpressurethatwill
increaseifthecontainersareheated.DONOTexposerefrigerantcontainers
tohighheatsourcesorame.
11.Besuretheworkareaisproperlyventilatedtopreventanyaccumulationof
refrigerantorotherfumes.
12.Makesurethatcapsarealwaysplacedonthepressurehoseports.These
capspreventrefrigerantleakagefromthesystem.
13.TheA/Cdrier−receivercomponentisusedtocollectmoisturethatwillreduce
airconditioningperformance.Iftheairconditioningsystemisopenedfor
componentrepairorreplacement,makesurethatthedrier−receiverportsare
pluggedtopreventdamagetothedrier−receiver.Ifeitherthecompressor
orA/Cexpansionvalveisreplaced,replacementofthedrier−receiveris
alsorecommended.
14.Afterinstallingairconditioningcomponents,haveacertiedairconditioning
servicetechnicianevacuatetheairconditioningsystemcompletely,properly
rechargethesystemwithR134arefrigerantandthenleaktestthesystem.
Groundsmaster
®
5900&5910
Page9–5
OperatorCab:ServiceandRepairs
16227SLRevB
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