Service Manual

TestingtheMowCircuit–ReelMotorEfciency/CaseDrain(5610-D)
g216142
Figure124
Thereelmotorefciency/casedraintestisthesecondinaseriesoftests
recommendedtocheckthecuttingunitcircuitperformance.Overaperiodof
time,areelmotorcanwearinternally.Thistestmeasurescasedrainvolume
whilerestrictingowacrossthemotorports.Casedrainvolumeunderloadof
morethan9%oftotalmotorowindicatesthegearsandwearplatesinthe
motorhaveworn.Awornmotormaybypassthehydraulicuidtoitscasedrain
causingthemotortobelessefcient.Eventually,enoughuidlosswillcausethe
reelmotortostallunderheavycuttingconditions.Continuedoperationwitha
worn,inefcientmotorcangenerateexcessiveheat,causedamagetosealsand
othercomponentsinthehydraulicsystem,andaffectqualityofcut.
HydraulicSystem:TestingtheHydraulicSystem
Page6–116
Reelmaster
®
5410/5510/5610Series
15216SLRevD