Operator's Manual

Figure36
1.Sideshield
2.Adjustshieldupordownandtightennuts.
ReplacingtheTurfGuards
Allturfguards(Figure37)shouldbereplacedifbroken
orworntolessthan1/4inchthickness.Brokenturf
guardscancatchandtearturfcreatingundesirable
damage.
Figure37
1.Turfguard
AdjustingHoleSpacing
Theforwardholespacingisdeterminedbythetractor’s
gearratio(orthehydrostatictractionpedal).Changing
theengineRPMdoesnotchangetheforwardhole
spacing.
Thelateralholespacingisdeterminedbythenumber
oftinesinthetineheads.
CoringHeadTiming
TheunitizedcoringheaddesignoftheProCoreaerators
providesindustryleadingsmoothoperationwhiletaking
outtheguessworkoftiming.
ProCore864(Figure38)
Thisunithasapatentpendingtimingcongurationthat
makesuseoftheProCore648andProCore1298crank
armcastings.Eachpairofcrankarmsjoinedthrougha
bearinghousingaretimed180degreesapart(i.e.arm
positions1-2,3-4,5-6,7-8).Theadjacentpairsareallset
withthesametimingwherethelaterpairlagsby120
degrees.Thesamepairofcouplingcastingsareused
betweenalladjacentpairs(i.e.couplingpositions2-3,
4-5,6-7).Tofurtherreduceoperatingvibration,two
counterweightsareaddedatthe#1positiononthe
pulleyandthe#8position.
Note:Thenumberscastintothecrankarmswillnot
alignwiththeraisedindicatormarkonthebearing
housingsfortheProCore864.
Figure38
ProCore1298(Figure39)
Thisunitiscomprisedoftwoindependentcoringheads
withsixarmseach.Thetimingofeithercoringheadis
notdependentontheadjacentcoringhead.Thetiming
marksareeasilyidentiedbythenumberscastintothe
crankarmcastingsandtheraisedlocatoronthebearing
housings.The#1armalwaysstartswiththedrivepulley.
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