Toro Groundsmaster 3280-D - Page 447

RemovingtheGearbox(continued)
11.Ifnecessary,removeandreplacetheoilsealsandoilcapsinthegearbox
(Figure305).
Note:Ifinternalgearboxwearordamageoccurs,gearboxreplacementis
necessary.Theinternalgearboxcomponentsarenotavailable.
InstallingtheGearbox
1.Ifoilsealsoroilcapswereremovedfromthegearbox,installnewsealsand
capstothegearbox(Figure305).
2.Cleanthegearboxoutputshaft,pulleyID(innerdiameter),andtaperlock
bushing.
3.Positionthewoodruffkey,pulley,andthenthetaperlockbushingtothe
gearboxoutputshaft.Slidethebushingtotheshoulderontheshaft.Align
thethreadedholesofthepulleywiththenon-threadedholesofthebushing.
4.Applyoiltothethreadsofthesetscrewsandinstallthescrewsintothe
threadsofthepulley(Figure304).Alternatelyandevenlytorquetheset
screwsto19.8N∙m(175in-lb).
5.Filltheallenrecessinthesetscrewsandbushingthreadswithgreaseto
preventdirtfrompackingintothecrevices.
6.Positionthegearboxassembly(withthedrivepulleyattached)tothedeck.
7.Positionandsecuretheleftandrightgearboxbrackets(items8and6in
Figure303)tothedeckmountingplatewiththe4carriagescrews,4ange
nuts,4washers,and4mounts.
8.Securethegearboxassemblytothegearboxbracketswiththe4bolts(item
3inFigure303)and4lockwashers.
9.ConnectthePTOdriveshafttothegearbox;refertoInstallingthePTO
Driveshaft(page9–5).
10.Installthedrivebeltandbeltcoverstothecuttingdeck;refertotheCutting
UnitOperator’sManual.
11.T orquetheplug(item6inFigure305)inthegearboxto19.8N∙m(175in-lb).
Fillthegearboxwithlubricant;refertotheCuttingUnitOperator’sManual.
Installthedipstickingearbox;torquethedipstickto19.8N∙m(175in-lb).
Groundsmaster
®
3280-D/3320
Page10–17
CuttingUnits:ServiceandRepairs
05138SLRevB