Service Manual

ProcedureforCuttingDeckMotorCaseDrainLeakageTest(continued)
CAUTION
Cuttingdeckbladeswillrotatewhencuttingdecksareloweredwith
PTOswitchinONposition.Keepawayfromcuttingdecksduring
testtopreventpersonalinjuryfromrotatingblades.Donotstand
infrontofthemachine.
4.Sitonseatandstarttheengine.Withenginerunning,increaseenginespeed
tohighidlespeedandreleasetheparkingbrake.Engagethecuttingdecks.
g031767
Figure75
5.Whilewatchingpressuregauge,slowlycloseowcontrolvalveontesteruntil
apressureof83bar(1200PSI)isobtained.
Note:Useagraduatedcontainer,specialtoolTOR4077,tomeasurecase
drainleakage(Figure75).
6.Haveasecondpersoncollecttheowfromthecasedrainlinefor15
seconds,thenmovethePTOswitchtoOFFandstoptheengine(Figure
75).Recordtestresults.
TESTRESULTS:Flowlessthan662ml(22.4ounces)(0.7GPM/2.6LPM)of
hydraulicuidin15seconds.
7.Ifowismorethan662ml(22.4ounces)(0.7GPM/2.6LPM)in15seconds,
themotoriswornordamagedandshouldberepairedorreplaced.
8.Aftertestingiscompleted,disconnecttesterfrommotorandhose.Reconnect
hosetothedeckmotor.Removecapfromteettingandreconnectcase
drainhosetoteetting.
HydraulicSystem:Testing
Page5–64
Groundsmaster
®
4000-D&4010-D
13202SLRevF