TestProcedure(continued)
CAUTION
Beforeopeningthehydraulicsystem,operateallthehydraulic
controlstoreleasesystempressureandavoidinjuryfromthe
pressurizedhydraulicuid;refertoReleasingPressurefromthe
HydraulicSystem(page5–6).
2.Parkthemachineonalevelsurface,lowerthecuttingdeck,shutoffthe
engine,andsettheparkingbrake.
3.ReadallWarning,Cautions,andprecautionslistedatthebeginningofthis
section.
4.Raiseandsupporttheoperatorseat,removetheseatplatetogetaccessto
thehydraulicpumpassembly.
g225780
Figure70
1.Hydraulichose(forward)2.Rightelbowîš¿tting
3.Hydraulicpump
5.EnsurethatthetractionpedaliscorrectlyadjustedfortheNEUTRALposition.
Also,ensurethatthehydraulicpumpisatfullstrokewhentractionpedal
ispressedfullyinforwardposition.
6.Liftandsupportthemachinesothatallthewheelsareofftheground;refer
toJackingInstructions(page1–6).
7.Cleanthejunctionofthehydraulichoseandrightsideîš¿ttingonthetopofthe
hydraulicpump(Figure70),anddisconnectthehosefromtheîš¿tting.
IMPORTANT
Ensurethattheuidowindicatorarrowontheowmeteris
showingthattheuidwillowfromthepump,throughthetester,
andintothedisconnectedhydraulichose.
8.Installatesterwiththepressuregaugeandowmeterinseriesbetweenthe
hydraulicpumpîš¿ttingandthedisconnectedhose.
Groundsmaster
®
3280-D/3320
Page5–63
HydraulicSystem:TestingtheHydraulicSystem
05138SLRevB
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