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Lubrication
WARNING
Alwaysstopengine,
disconnectspark
plug,and ground
againstengine
before cleaning,
lubricating or
doinganykindof
maintenanceon your
machine.
points before
reassembly.
*Model464Shown
Figure 5-1
/
/*Model464 Shown
Figure 5-2
General Recommendations
1. Alwaysobservesafetyruleswhen performing
anymaintenance.
2. Thewarrantyon this chippershredderdoes not
coveritemsthathavebeensubjectedto operator
abuseornegligence.Toreceivefull valuefrom war-
ranty,operatormustmaintainthe chippershredder
as instructedhere.
3. Changingof engine-governedspeedwill void
enginewarranty.
4. Alladjustmentsshouldbe checkedat leastonce
eachseason.
5.
Periodicallycheckallfastenersand makesurethese
aretight.
_ WARNING:Alwaysstopengine,
disconnect spark plug, and ground
against enginebefore cleaning,
lubricating or doingany kind of
maintenanceon your machine.
1. Lubricatethe releaserodand springwith lightoil once
a season.See Figure5-1.
2. Lubricatethe pivot pointson the hopperassemblywith
lightoil oncea season.See Figure5-1.
3. Lubricatethe pivot pointson the dischargechute with
lightoil oncea season.See Figure5-1.
4. Followtheaccompanyingenginemanualfor lubrica-
tion scheduleandinstructionfor engine lubrication.
Engine Care
1. Maintainoil levelas instructedin enginemanual.
2. Serviceaircleanerevery25 hoursundernormal
conditions.Cleaneveryfewhoursunderextremely
dustyconditions.Referto engine manual.
3. Cleansparkplugand resetthegaponce a season.
Checkenginemanualfor correctplugtype and gap
specifications.
4. Cleanengineregularlywith a cloth or brush. Keepthe
coolingsystem(blowerhousingarea) cleanto permit
properaircirculation.Removeall grass,dirt and
combustibledebrisfrommufflerarea.
Removing The Flail Screen
If the dischargeareabecomesclogged,removetheflail
screenandcleanarea as follows:
1. Stopthe engineand makecertain the chippershred-
derhas cometo a completestop.
2. Disconnectsparkplug wirefrom sparkplug and
groundagainsttheengine.
3. a. Removethe bagand two wingknobson eachside
of the chutedeflector.See Figure5-2.
b. Liftthe chute deflectorupto keepitoutof theway.
c. Removethetwo hairpinclipsfromeach clevispin
whichextendthroughthe housingandremovepins.
d. Removetheflail screenfrom insidethe housing
andcleanthe screenby scrapingor washingwith
water.See Figure5-2.
4. Reinstallthe screen,makingcertainto reassemblethe
flail screenwiththecurvesidedown.
5. Reattachthe chute deflectorwiththe hardware
previouslyremovedand connectthe bag to unit.
Sharpening Or Replacing Chipper
Blades
1. Disconnectthe spark plugwire and groundagainstthe
engine.
2. Removetheflail screenas instructedinthe previous
section.
3. Removethechipperchute by removingthree hexnuts
andwashers.
4. Removethechipperchute supportbrace(Model
Series460)fromthe frameby removingthe hexbolts.
5. Rotateimpellerassemblyby handuntilyoulocateone
of twochipperbladesinthe chipperchute opening.
12
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