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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

Toro 03606A Service Manual

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