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
Aftertherst8hours
•Changetheengineoil.
Aftertherst50hours
•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,loosettings,kinkedlines,loosemounting
supports,wear,weather,andchemicaldeteriorationandrepairifnecessary.
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