Toro Groundsmaster 5910 Series - Page 514

Installation(Figure354)
1.Positionblowerfantoheatercore/ACevaporatorassemblyandsecurewith
six(6)screws.
2.Carefullylowerheatercore/ACevaporatorassemblywithattachedblower
fanintomixingbox.
3.Connectwireharnessconnectorstofreezeswitchandblowerfanassembly
(Figure355).
4.Securemixingboxcover:
A.Positionmixingboxcovertomixingbox.Makesurethatwireharness
isroutedthroughrecessinsideofmixingbox.
B.Withtherivetpininaraisedposition,insertrivetsthroughcoverandinto
holeinmixingbox.Presspinintorivettosecurerivetinplace.
5.Usinglabelsplacedduringdisassembly,connectbothheaterhosestotubes
onheatercoreandsecurewithhoseclamps.
6.Removecapsthatwereplacedonevaporatorcoretubesandexpansion
valveportsduringtheremovalprocess.Positionexpansionvalvewith
attachedhosestotheevaporatorcoretubes.Properlysecureevaporator
coreswivelttingstofrontportsofexpansionvalve.Torquettingsfrom21
to27N·m(15to20ft−lb).
7.Makesurethatallmachineairconditioningcomponentsareinstalledand
secure.
8.Haveacertiedairconditioningservicetechnicianevacuatetheair
conditioningsystemcompletely,properlyrechargethesystemwithR134a
refrigerantandthenleaktestthesystem.A/Csystemcapacityis3.43lb
ofR134arefrigerant.
9.Operatetheheatersystemtomakesurethatnocoolantleaksinheadliner
exist.
10.Secureroofpaneltotopofcab(seeRoofAssembly(page9–9)).
OperatorCab:ServiceandRepairs
Page9–28
Groundsmaster
®
5900&5910
16227SLRevB