Toro Groundsmaster 4300-D - Page 120

TestProcedure(continued)
14.Ifthereliefpressurecannotbemetorisgreaterthanspecied,thetraction
reliefvalveisdamagedandshouldbereplaced.
15.Theunderloadtestowreading(step12C)shouldnotdropmorethan12%
whencomparedtothenoloadtestowreading(step11B).Adifferenceof
morethan12%mayindicatethepistonpump/hydrostatiswornandshould
berepairedorreplaced.
16.Afteryoucompletethetesting,disconnectthetesterandconnectthehoseto
thepumptting.
17.Starttheengine,checkforhydraulic-uidleaks,repairanyleaksasrequired,
andllthehydraulictankwiththecorrectquantityofnewhydraulicuid
beforereturningthemachinetoservice.
HydraulicSystem:TestingtheHydraulicSystem
Page4–58
Groundsmaster
®
4300-D
16226SLRevC