Paccar PX-9 - Page 59

MAINTENANCEGUIDELINES
coolingsystem.Ifoperating
insub-freezingconditions,
a60/40mixofantifreeze
anddistilledwatermaybe
substituted.
°Alwaysdiluteantifreezeto
thecorrectconcentration
basedonfreezeprotection
beforeaddingittothecooling
system.Addingorusing100%
antifreezeinacoolingsystem
mayresultincoolingsystem
pluggingandoverheating
problems.
•DieselExhaustFluid(DEF)Level
–Check/T opUp:
NOTE
ItisrecommendedtotopupDEF
whenrefueling.See“EngineAf-
tertreatmentSystemsOperator’s
Manual”forDEFinformation.
•Checkforanysignsofuidleaks
•Ensureallaccesscaps/coversare
properlyinstalledandtight.
Every7,500mi(12,000km),250
Hours,or3months–Maintenance
Check
•AirCleanerRestriction-
Check/Correct
°Servicelterelementwhen
aircleanerrestrictiongauge
(option)locksintheextreme
highposition.
°Hose/Pipecondition-
deterioration/signsofleaking
°Hoseclamptorque
•ChargeAirPiping-Check/Correct
°Hose/Pipecondition-
deterioration/signsofleaking
°Hoseclampsfortightness
°Clearancetoother
components
•ChargeAirCooler-Check/Correct
(12/2014)Y53-1185-1B15-
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