Paccar PX-9 - Page 10

INTRODUCTION
blades,causingprematurefan
failure.
•Workareasshouldbedry,welllit,
wellventilated,freefromclutter,
loosetools,parts,ignitionsources
andhazardoussubstances.
•Wearprotectiveglassesand
protectiveshoeswhenworking.
•DONOTwearloose-ttingortorn
clothing.Tiebackand/ortuck
inlonghair.Removealljewelry
whenworking.
•Beforebeginninganyrepair,
disconnectthebattery(negative
(-)cable)anddischargeany
capacitors.
•Puta“DONOTOPERATE”tagin
theoperator'scompartmentoron
thecontrols.
•Allowtheenginetocoolbefore
slowlylooseningthecoolantller
captorelievethepressurefrom
thecoolingsystem.See“Cooling
System”onpage5-15formore
informationoncoolingsystem
maintenance.
WARNING!
Removingthellcaponahoten-
ginecancausescaldingcoolant
tosprayoutandburnyoubadly.
Iftheenginehasbeeninopera-
tionwithintheprevious30minutes,
beverycarefulinremovingthell
cap.Protectface,hands,andarms
againstescapinguidandsteam
bycoveringthecapwithalarge,
thickrag.DONOTtrytoremove
ituntilthesurgetankcoolsdown
orifyouseeanysteamorcoolant
escaping.Inanysituation,remove
thecapveryslowlyandcarefully.
Bereadytobackoffifanysteam
orcoolantbeginstoescape.
•Alwaysusewheelchocksor
properjackstandstosupportthe
vehicleorvehiclecomponents
beforeperforminganyservice
work.DONOTworkonanything
thatissupportedonlybylifting
jacksorahoist.Beforerestinga
vehicleonjackstands,besurethe
standsareratedfortheloadyou
willbeplacingonthem.
•Beforeremovingordisconnecting
anylines,ttings,orrelateditems,
relieveallpressureintheair,oil,
fuel,andcoolingsystems.Remain
alertforpossiblepressurewhen
disconnectinganydevicefroma
systemthatcontainspressure.
Highpressureoilorfuelcancause
deathorpersonalinjury.
•Alwayswearprotectiveclothing
whenworkingonanyrefrigerant
linesandmakesurethatthe
workplaceiswellventilated.
Inhalationoffumescancause
deathorpersonalinjury.To
protecttheenvironment,liquid
refrigerantsystemsmustbe
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6Y53-1185-1B1(12/2014)
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