Service Manual

ProcedureforLift/LowerCircuitReliefPressureTest
2
3
4
1
g275068
Figure79
1.Gearpump3.Combinationmanifold
2.3
rd
sectiontesttting4.ReliefvalveRV2
2
1
g275069
Figure80
1.Combinationmanifold2.ReliefvalveRV2
Note:Beforeattemptingtocheckoradjustlift/lowercircuitreliefpressure,make
surethatcounterbalancepressureiscorrectlyadjusted(seeCounterbalance
Pressure(UsingPressureGauge)(page5–45)).
CAUTION
Preventpersonalinjuryand/ordamagetoequipment.Readall
WARNINGS,CAUTIONSandPrecautionsforHydraulicTestingatthe
beginningofthissection.
1.Parkmachineonalevelsurfacewiththecuttingdecksloweredandoff.
Makesurehydraulicoilisatnormaloperatingtemperature,engineisoffand
theparkingbrakeisapplied.
2.Raiseandsupportoperatorseat.
HydraulicSystem:Testing
Page5–66
Groundsmaster
®
4100-D&4110-D
13203SLRevF