InspectingtheGearPump(continued)
CAUTION
Useeyeprotectionsuchasgoggleswhenusingcompressedair.
2.Cleanallpartswithsolvent.Dryallpartswithcompressedair.
3.Inspectthedrivegearanddrivengearforthefollowing:
A.Thegearshaftsshouldbefreeofroughsurfacesandexcessivewearat
thethrustplatepointsandsealingareas.
B.Thegearteethshouldbefreeofexcessivescoringandwear.
C.Inspecteachgearfaceedgeforsharpedgesorburrs.Removesharp
edgesorburrsfromthegearfaceswithemerycloth.
g240513
Figure57
1.Gearshaftspline3.Gearteeth
2.Gearshaft4.Gearfaceedge
4.Inspectthethrustplatesforthefollowing:
A.Thebearingareasshouldnothaveexcessivewearorscoring.
B.Thefaceofthethrustplatesthatareincontactwiththegearsshouldbe
freeofwear,roughnessorscoring.
C.Thethicknessofthethrustplatesshouldbeequal.
5.Inspectthefrontcoverandtherearcoverfordamageorwear.
AssemblingtheGearPump
RefertoFigure55forthisprocedure.
Whenassemblingthepump,checkthemarkerlineoneachparttomakesure
thepartsareproperlyalignedduringassembly.Whenassemblingthepump,
checkthemarkerlineoneachparttomakesurethepartsareproperlyaligned
duringassembly.
1.Lubricatethebodyseals,pressureseals,uni-ringsandthethrustplate
grooveswithathincoatofpetroleumjelly.Lubricateallotherinternalparts
freelywithcleanhydraulicoil.
2.Installnewseals,thebackupwasher,andtheretainingringinthefrontcover.
HydraulicSystem:ServiceandRepairs
Page5–80
Groundsmaster
®
3200,3300and3310
19240SLRevA
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