Service Manual

RemovingtheBlowerFan(continued)
C.Removethemixingboxcover.
g243781
Figure315
1.T erminal3
(orange)
2.T erminal2
(brown)
3.MINterminal
(violet)
4.Groundterminal
(black)
5.Notethelocationofthewireharnessconnectorsontheblowerfanassembly
(Figure315),disconnectthewireharnessconnectorsfromthefan.
6.Carefullyraisetheheatercoreassemblywithattachedblowerfanfromthe
mixingbox.
7.Removethe6tapscrews(item6inFigure314)thatsecuretheblowerfanto
theheatercoreassembly,andremovetheblowerfan.
InstallingtheBlowerFan
1.Positiontheblowerfantotheheatercoreandsecurethefanwiththe6tap
screws.
2.Carefullylowertheheatercoreassemblywithattachedblowerfanintothe
mixingbox.
3.Connectthewireharnessconnectorstotheblowerfanassembly(Figure
315).
4.Securethemixingboxcoverasfollows:
A.Positionthemixingboxcovertothemixingbox.Ensurethatthewire
harnessisroutedthroughrecessinsideofthemixingbox.
B.Withtherivetpininaraisedposition,inserttherivetsthroughcoverand
intotheholeinthemixingbox.Pressthepinintotherivettosecure
therivetinplace.
5.Usethelabelsthatyouattachedduringremoval,connectboththeheater
hosestothetubesontheheatercore,andsecuretheheaterhoseswith
thehoseclamps.
6.Operatetheheatersystemtoensurethattherearenocoolantleaksinthe
headliner.
7.Securetherooftothetopofthecab;refertoInstallingtheRoofAssembly
(page11–4).
Groundsmaster
®
3280-D/3320
Page11–13
OperatorCab:ServiceandRepairs
05138SLRevB