Toro ProCore 864 - Adjusting the Side Shield; Replacing the Turf Guards; Coring Head Timing

AdjustingtheSideShield
Thecoringheadsideshieldsshouldbeadjustedso
thatthebottomridesbetween25to38mm(1to1-1/2
inches)fromtheturfwhileaerating.
1.Loosentheboltsandnutssecuringtheside
shieldtoframe(Figure39).
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Figure39
1.Sideshield
2.Adjusttheshieldupordownandtightenthe
nuts.
ReplacingtheTurfGuards
Allturfguards(Figure40)shouldbereplacedifbroken
orworntolessthan1/4inchthickness.Brokenturf
guardscancatchandtearturf,creatingundesirable
damage.
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Figure40
1.Turfguard
CoringHeadTiming
Theunitizedcoringheaddesignofthemachine
providesindustry-leadingsmoothoperationwhile
takingouttheguessworkoftiming.
ProCore864(Figure41)
Eachpairofcrankarmsjoinedthroughabearing
housingaretimed180degreesapart(i.e.arm
positions1-2,3-4,5-6,7-8).Theadjacentpairsareall
setwiththesametimingwhereasthelaterpairlags
by120degrees.Thesamepairofcouplingcastings
areusedbetweenalladjacentpairs(i.e.coupling
positions2-3,4-5,6-7).T ofurtherreduceoperating
vibration,2counterweightsareaddedatthe#1
positiononthepulleyandthe#8position.
Note:Thenumberscastintothecrankarmsdonot
alignwiththeraisedindicatormarkonthebearing
housingsfortheProCore864.
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Figure41
ProCore1298(Figure42)
Thisunitiscomprisedof2independentcoringheads
with6armseach.Thetimingofeithercoringhead
isnotdependentontheadjacentcoringhead.The
timingmarksareeasilyidentiedbythenumberscast
intothecrankarmcastingsandtheraisedlocatoron
thebearinghousings.The#1armalwaysstartswith
thedrivepulley.
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