Toro Reelmaster 5510-D - Testing the Mow Circuit-Gear Pump (P1) and (P2) Flow (5610-D)

TestingtheMowCircuit–GearPump(P1)and(P2)Flow(5610-D)
g216143
Figure131
Thegearpump(P1)and(P2)owtestisthelastinaseriesoftests
recommendedtodeterminecuttingunitcircuitperformance.ThegearpumpP1
supplieshydraulicowtotherearcuttingunits,whilegearpumpP2provides
hydraulicowtothefrontcuttingunits.
ThistestcomparesuidowatNoLoadwithuidowUnderLoad.Adropin
owunderloadofmorethan15%indicatesthegearsandwearplatesinthe
pumphaveworn.Awornpumpmaybypassthehydraulicuidthatreduces
thepumpefciency.Aftersometime,sufcientuidlosscausesthereelto
stallunderheavyloadconditions.Continuedoperationwithaworn,inefcient
pumpcangenerateexcessiveheatandcausedamagetothesealsandother
componentsinthehydraulicsystem.
SpecialEquipmentRequired:Flowmeterwithpressuregaugethathasatleasta
45L/minute(12gallons/minute)capacity.
Reelmaster
®
5410/5510/5610Series
Page6–127
HydraulicSystem:TestingtheHydraulicSystem
15216SLRevC