Operator's Manual
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
CAUTION
Ifyouleavethekeyinthekeyswitch,someonecouldaccidentlystarttheengineandseriously
injureyouorotherbystanders.
Removethekeyfromthekeyswitchanddisconnectthewiresfromthesparkplugsbefore
youdoanymaintenance.Setthewiresasidesothattheydonotaccidentallycontactthe
sparkplugs.
MaintenanceSafety
•Parkthemachineonalevelsurface,disengage
thetrencherhydraulics,lowertheboom,engage
theparkingbrake,shutofftheengine,andremove
thekey.Waitforallmovementtostopandallow
themachinetocoolbeforeadjusting,cleaning,
storing,orrepairingit.
•Cleanupoilorfuelspills.
•Donotallowuntrainedpersonneltoservicethe
machine.
•Usejackstandstosupportthecomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectthebatterybeforemakinganyrepairs.
•Keepyourhandsandfeetawayfromthemoving
parts.Ifpossible,donotmakeadjustmentswith
theenginerunning.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
•Donottamperwiththesafetydevices.
•UseonlygenuineTororeplacementparts.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst8hours
•Changetheengineoil.
Aftertherst50hours
•Checkandadjustthetracktension.
Beforeeachuseordaily
•Greasethemachine.(Greaseimmediatelyaftereverywashing.)
•Checktheengine-oillevel.
•Checktheconditionofandcleanthetracks.
•Testtheparkingbrake.
•Checktheconditionofthediggingteethandreplaceanythatarewornordamaged.
•Checkforloosefasteners.
Aftereachuse
•Removedebrisfromthemachine.
Every25hours
•Cleanthefoamair-cleanerelement(moreoftenindirtyordustyconditions)—Models
22972and22973only.
•Checkthebatteryelectrolytelevel.
•Checkthehydraulic-uidlevel.
•Checkthediggingchainforexcessivewearandpropertension.
Every40hours
•Greasethetrencherhousing.
Every100hours
•Checkthepaperair-cleanerelement(moreoftenindirtyordustyconditions)—Models
22972and22973only.
•Changetheengineoil.
•Replaceorcleanandgapthesparkplug(s).
•Checkandadjustthetracktension.
•Checkthehydrauliclinesforleaks,loosettings,kinkedlines,loosemounting
supports,wear,weather,andchemicaldeteriorationandrepairifnecessary.
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