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」MAINTENANCEuNusuAL
1.Keepsandanddustoutofthehydraullc
systembykeepingthereservoirfiliercap
tightandservicingthehydraulicsystem
flltersfrequently.2.
2.Thefuelsystemshouldbekeptfreeof
sandanddustbykeepingthetankfi目er
captightandservicingthefueIfilters
frequently.3.
3.Theenginebreathersandaircieaner
shouldalsobeservicedfrequentlyto
preventsandanddustfromenteringthe4.
engine.TheengineoiiandoiIfiltershould
bechangedatsho貢erthannormaI
intervaistoensureacleanoilsupPlyto
theenglne'smovingParts.5.
4.Whenlubricatingthemachine,thoroughly
cleaneachgreasefittingbeforeattaching
thegreasegun.Pumpgenerousamounts
ofgreaseintoa
lubricationpoints,using6.
thefreshgreasetopumpoutold.
5.Adequategroundbearingsupportmaybe
requiredforthetrackswhenoperatingin
softsand.Bealedlforsignsoftrack
diggingintosandduringoperations.It
maybenecessarytobackoffandfHIin膿
areawheretracksdigin.
Theincreasedfrequencyoflubrication
andservicediscussedaboveshouldbe
determinedbyobservationsmadeatthe
worksite.Inspectionwi睦determinehow
bngittakesforIubricants,breathersand
fiiterstoaccumuIateunacceptabIe
amountsofsandordust.Thefrequency
oflubricationandsen!iceshouldbe
adjustedaccordingly.
■HighHumidityorSaltwater
Insomebcations,suchascoasta!areas,
themachinemaybeexposedtothe
deterbratingeffectsofsalt,moisture,or
both.ToprotectexposedmetaI[ic
surfaces,wiring,paintandotheritems,
keepthemdryandwellIubrlcatedwhere
saItorhighhumidityareencountered.
FoIlowtherecommendationsbe[owwhen
operatingintheseconditions.
1.Makefrequentinspectionsforrustand
corrosionsandremovethemassoonas
theyaredetected.Dryandpaintexposed
su「facesa杜e「
beenremoved.
WherepaintmaynotbeappIied,suchas
onpollshedormachinedsurfaces,coat
theareawithgreaseorlubricanttorepeI
water.
Keepbearingsandtheir
surfacesweIIlubricatedto
entryofwater.
Neverusesaltwaterinthecoolingsystem.
lntemaIcorrosionwilloccurandallparts
wiIIhavetobereplaced.
HosedownthemachineperiodicaIIy
whenworkinginsaltwater.[fnecessary,
useanoiisoakedclothtocleanmoving
parts.
1fthemachineissubmerged,besureitis
neversubmergedinwaterdeeperthan
upPercrawlerbeIt、
1fthemachineexceedsthisIimit,
disassemble,cleanandlubricatethe
iower.
HighAltitudes
Variationsinaltitudeaiterthefueトair
mixturebumedintheengineandaffect
theengine噛sperformance.Athigh
altitudes,atmosphericpressuresare
lowerandlessoxygenisavailablefor
combustionofthefuel.Above1500meter、
theenginefueIsettingmayhavetobe
changedtoensureproperperformance.
Consultenginemanufacturershouldthis
problemanse.
Keepingtheaircleanercleanandfreeof
obstructionswi"helpa11eviatehigh
altitudeproblems.
Athighaltitudes,closelymonitorthe
enginetemperatureforoverheating.
4‑29
rustandcorrosionhave
surrounding
preventthe
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