Toro ProLine H800 - Testing the Steering Circuit - Charge Pump Flow

TestingtheSteeringCircuit-ChargePumpFlow
g292668
Figure57
Thechargepumpisdesignedtosatisfythesteeringcylinderneeds(atfull
speed).Thechargepumpowtestcomparesuidowatnoloadwithuidow
underload.Adropinowunderloadofmorethan15%indicatesthegearsand
wearplatesinthepumphaveworn.Continuedoperationwithawornpumpcan
generateexcessiveheatandcausedamagetothesealsandothercomponents
inthehydraulicsystem.
SpecialEquipmentRequired:
•Flowmeterwithpressuregaugethathasatleasta19LPM(5GPM)capacity.
•Phototach(non−contacttachometer).
HydraulicSystem:TestingtheHydraulicSystem
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ProLineH800
19241SLRevB