Toro Groundsmaster 4500-D Series - Gear Pump Service

GearPumpService
g308692
Figure99
1.Dustseal
10.Seal(8used)19.Body(2
nd
pumpsection)
2.Retainingring11.Idlergear
20.Body(3
rd
pumpsection)
3.Flangewasher
12.Driveshaft
21.Drivegear
4.Shaftseal
13.Back-upgasket22.Idlergear
5.Frontcover14.Pressureseal
23.Rearbody(4
th
pumpsection)
6.Dowelpin(16used)15.Frontbody(rstpumpsection)
24.Rearcover
7.Pressureseal
16.Splinedconnectingshaft(3used)25.Capscrew(4used)
8.Back-upgasket17.Flange
26.Washer(4used)
9.Thrustplate(8used)
18.Drivegear
Disassembly(Figure99)
Note:Thegearpumpmustbereplacedasacompleteassembly.Individual
gears,housingsandthrustplatesarenotavailableseparately.Disassemblegear
pumpforcleaning,inspectionandsealreplacementonly.
IMPORTANT
Keepbodies,gears,angesandthrustplatesforeachpumpsection
together;donotmixpartsbetweenpumpsections.
1.Plugpumpportsandthoroughlycleanexteriorofpumpwithcleaningsolvent.
Makesureworkareaisclean.
HydraulicSystem:ServiceandRepairs
Page5–100
Groundsmaster
®
4500-D/4700-D
19245SLRevA