Toro Groundsmaster 4500-D Series - Page 203

Disassembly(Figure99)(continued)
DIAGONAL LINE
g275425
Figure100
2.Useamarkertomakeadiagonallineacrossthegearpumpforassembly
purposes(Figure100).
IMPORTANT
Usecautionwhenclampinggearpumpinavisetoavoiddistorting
anypumpcomponents.
3.Securethefrontcoverofthepumpinavisewiththedriveshaftpointingdown.
4.Loosenthefour(4)capscrewsthatsecurepumpassembly.
5.Removepumpfromviseandremovefasteners.
6.Supportthepumpassemblyandgentlytapthepumpcasewithasoft
facehammertoloosenthepumpsections.Becarefultonotdroppartsor
disengagegearmesh.
IMPORTANT
Marktherelativepositionsofthegearteethandthethrustplatesso
theycanbereassembledinthesameposition.Donottouchthegear
surfacesasresidueonhandsmaybecorrosivetogearnish.
7.Removethethrustplatesandsealsfromeachpumpsection.Before
removingeachgearset,applymarkingdyetomatingteethtoretain”timing”.
Pumpefciencymaybeaffectediftheteetharenotinstalledinthesame
positionduringassembly.Keepthepartsforeachpumpsectiontogether;
donotmixpartsbetweensections.
8.Cleanallparts.Checkallcomponentsforburrs,scoring,nicksandother
damage.
9.Replacetheentirepumpassemblyifpartsareexcessivelywornorscored.
Groundsmaster
®
4500-D/4700-D
Page5–101
HydraulicSystem:ServiceandRepairs
19245SLRevA