OPERATOR'S MANUAL

ENGINE
AccessoryDriveBelts
Youcanextendthereliabilityand
servicelifeofyourvehicle'sdrivebelts
withproperattentiontoinstallation,
andmaintenance.Neglectcould
causebeltfailure.Theresultcouldbe
thelossoftheelectricalorairsystem
aswellaspossibleenginedamage
fromoverheating.Soit'saverygood
ideatocheckyourbeltsfrequentlyand
replacethemassoonasyoudetect
trouble.
Followthisproceduretoinstallan
accessorydrivebelt:
1.Routethenewbeltaroundthe
pulleys,andthenrotatethe
automatictensionersothatthe
idlerpulleyswingstowardthe
beltrouting.Thefollowinggure
showsanexampleoftherotation
directiontoreleasethetensioner.
2.Slipthebeltaroundtheidler
pulleyattachedtotheautomatic
tensioner.
3.Releasetheautomatictensioner.
4.Checkthebeltalignmentoneach
pulley.Thebeltmustfallbetween
theangesofeachpulley.
CumminsBeltRouting
PACCARMXBeltRouting
5-95
5