Case 590ST - Air Conditioning System

7-MAINTENANCE
Airconditioningsystem
WARNING
Maintenancehazard!
Nevertrytoservicetheair-conditioningsystemyourself.Contactyourdealerforservice.
Failuretocomplycouldresultindeathorseriousinjury.
W0268A
Theair-conditioningsystemcomponentsrequiremain-
tenanceatregularintervals.Observetheseintervals
toensurecorrectoperationandfullefciencyofthe
air-conditioning.
NOTE:Runtheair-conditioningatleastonceaweek,even
forashorttime.
Theair-conditioningsystemcontainsHFCR134Are-
frigerantgaswhichissubjecttostrictregulations.Any
problemmustbesolvedquickly.
DANGER
Avoidinjury!
ObserveALLprecautionslistedbelowwhen
servicingtheair-conditioningsystemandhan-
dlingrefrigerant.
Failuretocomplywillresultindeathorserious
injury.
D0043A
•
TheHFCR134Arefrigerantgasinuseisarefrigerant
withsafetycharacteristics.
•
Thoughthisrefrigerantisnonammable,nonexplo-
sive,nontoxic,nonirritating,tastelessandcolorless,
itisnecessarytotakesomesafetyprecautions.
•
Avoidanycontactwiththerefrigerant.Incaseof
skincontactwiththerefrigerant,immediatelytreat
theskin.
•
Wearsafetygogglestoprotectyoureyes.If,despite
these,somerefrigerantcomesincontactwiththe
eyes,immediatelyconsultadoctor.
•
Emptythesystembeforecarryingoutrepairsonit.
Donotlettherefrigerantreleaseinthesurrounding
areas.Tosuckit,onlyusedulyapprovedaspirators.
•
Regardlessofthesystembeingfullofrefrigerantor
empty,heatdeterminesaremarkableoverpressure,
whichcouldnotonlydamagethesystem,butalso
causeexplosions.
•
Avoidwelding,heatsourcesoropenamesnearthe
refrigerant.
•
Emptyrefrigerantcylindersmustnotbediscarded.
Whenfull,refrigerantcylindersmustnotbeexposed
tosunraysorotherheatsourcesforalongtime.
•
Themaximumallowedtemperatureforafullrefrig-
erantcylindermustnotexceed45°C(113°F).
7-35