MAINTENANCE
UNUSUAL
1.Keepsandanddustoutofthehydraωic
systembykeepingthereservoirfi目ercap
tightandservicingthehydrauIicsystem
佃tersfrequently.2.
2.Thefuelsystemshou[dbekeptfreeof
sandanddustbykeepingthetankfil[er
captightandsen!icingthefueIfi[ters
frequently.3.
3.Theenginebreathersandaircleaner
shou[dalsobeservicedfrequentlyto
preventsandanddustfromenteringthe4.
englne.Theengineoilandoilfiitershould
bechangedatshorterthannormal
intervaIstoensureacleanoiIsupp[yto
theengine'smovingParts.5、
4.WhenIubricatingthemachine,thoroughly
cleaneachgreasefittingbeforeattaching
thegreasegun.Pump9enerousamounts
ofgreaseintoa旧ubricationpoints,using6.
thefreshgreasetopumpoutoId.
5.Adequategroundbearingsupportmaybe
requiredforthetrackswhenoperatingin
softsand.Bea]e丘forsignsoftrack
diggingintosandduringoperations.it
maybenecessarytobackoffandfi[Hn■
areawheretracksdigin.
TheincreasedfrequencyofIubrication
andservicediscussedaboveshouldbe
determinedbyobservationsmadeatthe
worksite.InspectionwiIIdeterminehow
IongittakesforIubricants,breathersand
filterstoaccumulateunacceptab[e
amountsofsandordust.Thefrequency
oflubricationandserviceshouldbe
adjustedaccordingly.
■HighHumidityorSaItwater
Insome[ocations,suchascoastalareas,
themachinemaybeexposedtothe
deterioratingeffectsofsalt,moisture,or
both.Toprotectexposedmetallic
surfaces,wiring,paintandotheritems,
keepthemdryandwe旧ubricatedwhere
saltorhighhumidityareencountered.
Followtherecommendationsbelowwhen
operatingintheseconditions.
sur「acesa杜errustandcorrosionhave
beenremoved.
Wherepaintmaynotbeapplied,suchas
onpo百shedormachinedsurfaces,coat
theareawithgreaseor[ubricanttorepeI
water.
Keepbearingsandtheirsurrounding
surfaceswe]Hubricatedtopreventthe
entryofwater.
Neverusesaltwaterinthecoolingsystem.
intemalcorrosionwi"occurandaHparts
willhavetobereplaced.
HosedownthemachineperiodicaHy
whenworkinginsaltwater.ifnecessary,
useanoilsoakedclothtocleanmoving
parts.
Ifthemachineissubmerged,besureitis
neversubmergedinwaterdeeperthan
upPercrawlerbe[t.
lfthemachineexceedsthislimit,
disassemb]e,c]eanandlubricatethe
lower.
HighA]titudes
Variationsinaltitudealterthefuei‑air
mixtureburnedintheengineandaffect
theengine'sperformance.Athigh
altitudes,atmosphericpressuresare
]owerand[essoxygenisavailab]efor
combustionofthefueI.Above1500meter
l
theenginefueIsettingmayhavetobe
changedtoensureproperperformance.
Consultenginemanufacturershou[dthis
prob[emanse、
KeepingtheaircleanercIeanandfreeof
obstructionswi口helpalIeviatehigh
a[titudeproblems.
Athighaltitudes,closelymonitorthe
enginetemperatureforoverheatlng.
1.Makefrequentinspectionsforrustand
corrosionsandremovethemassoonas
theyaredetected,Dryandpaintexposed
4‑29