CheckingtheAir-intakePiping
ServiceInterval:Beforeeachuseordaily—Checkthe
air-intakepipingforwear,damage,and
loosefasteners.
Every250hours—Checktheair-intakepipingfor
wear,damage,andloosefasteners.
Inspecttheair-intakepipingforwear,damage,andloose
clamps(Figure68).
Figure68
1.Charge-airpipe(left)
•Replacealldamagedpipes,andtightenlooseclampsto
preventtheairsystemfromleaking.
Note:Torquethelooseclampsto8N-m(72in-lb).
•Checkforcorrosionundertheclampsandhoses.
Corrosioncanallowcorrodeddebrisanddirttoenter
theintakesystem.Disassembleandcleanthecleanthe
componentsasnecessary.
ReplacingtheAir-cleanerElements
Important:Donottrytocleanadirtyprimaryor
secondaryair-cleanerelement.
1.Removetheleftsidepanel;refertoRemovingtheSide
Panels(page44).
2.Unlatchthe4latchesthatholdtheair-cleanercover
andremovethecover(Figure69).
Figure69
1.Airpre-cleaner
4.Secondaryair-cleaner
element
2.Air-cleanerhousing5.Primaryair-cleaner
element
3.Latch(4)
6.Air-cleanercover
3.Removetheprimaryandsecondaryair-cleanerelements
fromtheair-cleanerhousing(Figure69).
4.Useacleandampclothtocleantheinsideofthe
cleanerhousing(Figure69).
5.Inspecttheprimaryair-cleanerelement,andreplaceit
ifitisdamagedorexcessivelydirty.
6.Inspectthesecondaryair-cleanerelementandreplace
itifitisdamaged.
Note:Replacethesecondaryair-cleanerelementafter
youhavereplacedtheprimaryair-cleanerelement3
timesoriftheair-cleanerrestrictionindicatorcomes
onwhiletheengineisrunningandyouhavealready
replacedprimaryair-cleanerelement.
7.Ifyoureplacetheelement(s),writethecurrentdate
andtheenginehoursonthenewair-cleanerelement(s)
withapermanentmarkingpen.
8.Insertthesecondaryair-cleanerelementintothe
air-cleanerhousing.
9.Inserttheprimaryair-cleanerelementintothe
air-cleanerhousing.
10.Securetheair-cleanercovertotheair-cleanerhousing
withthe4latchesonthehousing(Figure69).
11.Installtheleftsidepanel;refertoInstallingtheSide
Panels(page45).
12.Starttheengineandchecktherestrictedair-cleaner
indicator;refertoCheckingtheRestrictedAir-Cleaner
Indicator(page26).
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