Service Manual

ProcedureforPTOReliefPressureTest
FRONT
RIGHT
1
3
2
g275065
Figure73
1.CenterPTOmanifold3.RHPTOmanifold
2.LHPTOmanifold
1
2
LEFT PTO MANIFOLD SHOWN
g275066
Figure74
1.PTOmanifold
2.PRVvalve
CAUTION
Preventpersonalinjuryand/ordamagetoequipment.Readall
WARNINGS,CAUTIONSandPrecautionsforHydraulicTestingatthe
beginningofthissection.
1.Parkmachineonalevelsurfacewiththecuttingdecksloweredandoff.
Makesurehydraulicoilisatnormaloperatingtemperature,engineisoffand
theparkingbrakeisapplied.
2.LocatePTO(deck)manifoldtobetested(Figure73).Disconnecthydraulic
hoseatPTOmanifoldport(M1).
Note:Analternativetousingmanifoldport(M1)wouldbetodisconnectthe
inlethydraulichosetothedeckmotor.
3.Installtester(owandpressure)inserieswiththedisconnectedhoseand
PTOmanifoldport(M1)(ormotorinletifhosewasdisconnectedatdeck
motor).Makesuretheowcontrolvalveontesterisfullyopen.
HydraulicSystem:Testing
Page5–60
Groundsmaster
®
4100-D&4110-D
13203SLRevE