Operator's Manual

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Ahydrauliccouplerisnotcompletely
connected.
1.Checkandtightenallcouplers.
2.Ahydrauliccouplerisdamaged.
2.Check/replacethecoupler(s).
3.Thereisanobstructioninahydraulic
hose
3.Findandremovetheobstruction.
4.Anauxiliaryvalveonthemachineis
notopening.
4.Repairthevalve.
5.Theboomendbearingfailed.
5.Replacethebearing.
6.Thediggingchainistootight.6.Adjustthediggingchain.
7.Thereissandbuildupintoothrootof
thedrivesprocket.
7.Raisethetrencherandrunthechain
backwards,thenreducethechain
tension.
8.Thereisahydraulicmotororchain
drivefailure.
8.ContactyourAuthorizedService
Dealer.
Thechaindoesnotturn.
9.Thesensorswitchneedstobe
replaced(ProSneak365)oradjusted
(ProSneak360).
9.Replaceoradjustthesensorswitch.
ToadjusttheswitchrefertoChecking
andAdjustingtheSensorSwitch.
1.Theteethareworn.1.Replaceanywornteeth.
2.Thereisarestrictioninaquickcoupler
orhose.
2.Checkthehosesandcouplersand
repairanyproblemsfound.
3.Thehydraulicsystemistoohot.
3.Shutdownthemachineandallowthe
systemtocool.
Thetrencherdoesnotdigfastenough.
4.Thereliefvalveissetbelow
specications.
4.ContactyourAuthorizedService
Dealer.
Thechainturnsinthewrongdirection.1.Thehydraulichosesareinstalled
incorrectly.
1.Disconnectthehosesandinstallthem
inthecorrectpositions.
1.Thellplugisleaking.1.Lookformoisturearoundthellplug.
Ifpresent,changetheoil,andreplace
theplugandtheplugO-ring.
2.Thereisano-ringfailureonthemotor.2.ContactyourAuthorizedService
Dealer.
Thebearingcaselubeiscontaminated.
3.Thereisasealfailure.3.ContactyourAuthorizedService
Dealer.
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