Toro Reelmaster 3100-D - Traction Circuit Problems; Mow Circuit Problems

TractionCircuitProblems
Problem
PossibleCauses
Tractionresponseissluggish.
Bypassvalveinthetractionpump/hydrostatis
openordefective.
Chargepressureislow.Hydraulicoilisvery
cold.
Towingby−passvalveisopenorworn.Brake
isnotreleased.
Tractionpumporwheelmotor(s)arewornor
damaged.
Neutralisdifculttond,orunitoperatesin
onedirectiononly.
Externalcontrollinkageismis-adjusted,
disconnected,binding,ordamaged.
Tractionpumpiswornordamaged.
Notractionexistsineitherdirection.Brakeisnotreleased.
Oillevelinreservoirislow.
Towingby−passvalveisopen.
Chargepressureislow.
Tractionpumporwheelmotor(s)arewornor
damaged.
Tractionpumpdrivebeltlooseorbroken.
Wheelmotorwillnotturn.Internalpartsinwheelmotoraredamaged.
Brakesarebinding.
Keyonwheelmotorshaftisshearedor
missing.
Wheelmotorwillnotholdloadinneutral.
Makeupuidfromchargepumpisnot
available.
Hydrostatballcheckvalvesaredamaged.
MowCircuitProblems
Problem
PossibleCauses
Reelmotordrivepumpisnoisy(cavitation).
Reservoiroillevelislow.
Suctionlineisrestricted.
Suctionlinehasanairleak.
Reelswillnotturn.
SolenoidvalveSVisstuckopen.
Anelectricalproblemexists(seeChapter6:
ElectricalSystem(page6–1)).
GearpumpP1isdamaged.
Reelspeediserratic.
Reeltobedknifeadjustmentistootight.
Reelbearing(s)aredamaged.
Reel(s)turntooslowly.Reelsectionofpumpisinefcient(seeReel
CircuitT esting−PressureT est(page5–40)).
Reelmotorhasinternalleakageor
malfunctioningcross−overreliefvalve(see
ReelMotorCross−overReliefPressuresTest
(UsingPressureGauge)(page5–46)).
Reelbearing(s)aredamaged.
Troubleshooting:Page3–4
Reelmaster
®
3100-D/3105-D
20252SLRevA