Operator's Manual

AdjustingtheSideShield
Thecoringheadsideshieldsshouldbeadjustedsothatthe
bottomridesbetween25to38mm(1to1-1/2inches)from
theturfwhileaerating.
1.Loosentheboltsandnutssecuringthesideshieldto
frame(Figure40).
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Figure40
1.Sideshield
2.Adjusttheshieldupordownandtightenthenuts.
ReplacingtheTurfGuards
Allturfguards(Figure41)shouldbereplacedifbrokenor
worntolessthan1/4inchthickness.Brokenturfguardscan
catchandtearturf,creatingundesirabledamage.
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Figure41
1.Turfguard
AdjustingHoleSpacing
Theforwardholespacingisdeterminedbythetractor'sgear
ratio(orthehydrostatictractionpedal).Changingtheengine
speeddoesnotchangetheforwardholespacing.
Thelateralholespacingisdeterminedbythenumberoftines
inthetineheads.
CoringHeadTiming
TheunitizedcoringheaddesignoftheProCoreaerators
providesindustry-leadingsmoothoperationwhiletakingout
theguessworkoftiming.
ProCore864(Figure42)
Thisunithasapatent-pendingtimingcongurationthat
makesuseoftheProCore648andProCore1298crankarm
castings.Eachpairofcrankarmsjoinedthroughabearing
housingaretimed180degreesapart(i.e.armpositions1-2,
3-4,5-6,7-8).Theadjacentpairsareallsetwiththesame
timingwherethelaterpairlagsby120degrees.Thesamepair
ofcouplingcastingsareusedbetweenalladjacentpairs(i.e.
couplingpositions2-3,4-5,6-7).Tofurtherreduceoperating
vibration,2counterweightsareaddedatthe#1positionon
thepulleyandthe#8position.
Note:Thenumberscastintothecrankarmswillnotalign
withtheraisedindicatormarkonthebearinghousingsfor
theProCore864.
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Figure42
ProCore1298(Figure43)
Thisunitiscomprisedof2independentcoringheadswith6
armseach.Thetimingofeithercoringheadisnotdependent
ontheadjacentcoringhead.Thetimingmarksareeasily
identiedbythenumberscastintothecrankarmcastings
andtheraisedlocatoronthebearinghousings.The#1arm
alwaysstartswiththedrivepulley.
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