Service Manual

ProcedureforCuttingDeckCircuitPressureTest
1
2
g275064
Figure71
1.PTOmanifold(front)2.Manifoldtestport
CAUTION
Preventpersonalinjuryand/ordamagetoequipment.Readall
WARNINGS,CAUTIONSandPrecautionsforHydraulicTestingatthe
beginningofthissection.
1.Parkmachineonalevelsurfacewiththecuttingdecksloweredandoff.
Makesurehydraulicoilisatnormaloperatingtemperature,engineisoffand
theparkingbrakeisapplied.
2.Install350bar(5000PSI)pressuregaugewithhydraulichoseattachedto
manifoldtestport(G)forthedecktobetested(Figure71).
CAUTION
Cuttingdeckbladeswillrotatewhencuttingdecksareloweredwith
PTOswitchinONposition.Keepawayfromdecksduringtestto
preventpersonalinjuryfromrotatingblades.Donotstandinfront
ofthemachine.
3.Startengineandincreaseenginespeedtohighidlespeed.Releasethe
parkingbrake.
4.Watchpressuregaugecarefullywhilemowingwiththemachine.
5.Cuttingdeckcircuitpressureshouldbeasfollowsandwillvarydepending
onmowingconditions:
LHDeck:69to207bar(1000to3000PSI)
CenterDeck:69to207bar(1000to3000PSI)
RHDeck:69to137bar(1000to2000PSI)
6.Disengagecuttingdecks.Shutoffengineandrecordtestresults.
7.Whentestingiscompleted,disconnectpressuregaugewithhosefrom
manifoldtesttting.Securedustcaptotesttting.
HydraulicSystem:Testing
Page5–58
Groundsmaster
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4100-D&4110-D
13203SLRevF