Toro Reelmaster 5510-D - Testing the Steering Circuit-Gear Pump (P3) Flow (5610-D)

TestingtheSteeringCircuit–GearPump(P3)Flow(5610-D)
g216144
Figure134
Thegearpump(P3)isdesignedtosatisfythesteeringcylinderneeds(atfull
speed).Thegearpump(P3)owtestcomparesuidowatNoLoadwithuid
owUnderLoad.Adropinowunderloadofmorethan15%indicatesthe
gearsandwearplatesinthepumphaveworn.Continuedoperationwithaworn
pumpcangenerateexcessiveheatandcausedamagetothesealsandother
componentsinthehydraulicsystem.
SpecialEquipmentRequired:Flowmeterwithpressuregaugethathasatleasta
16L/minute(5gallons/minute)capacity.
TestProcedure
1.Parkthemachineonalevelsurfacewiththereelspeedswitchoff,lowerthe
cuttingunits,shutofftheengine,andsettheparkingbrake.
2.ReadallWarning,Cautions,andprecautionslistedatthebeginningofthis
section.
Reelmaster
®
5410/5510/5610Series
Page6–133
HydraulicSystem:TestingtheHydraulicSystem
15216SLRevC