Operator's Manual

AdjustingtheSideShield

Thecoringheadsideshieldsshouldbeadjustedsothatthe

bottomridesbetween25to38mm(1to1-1/2inches)from

theturfwhileaerating.

1.Loosentheboltsandnutssecuringthesideshieldto

frame(Figure39).

Figure39

1.Sideshield

2.Adjusttheshieldupordownandtightenthenuts.

ReplacingtheTurfGuards

Allturfguards(Figure40)shouldbereplacedifbrokenor

worntolessthan1/4inchthickness.Brokenturfguardscan

catchandtearturfcreatingundesirabledamage.

Figure40

1.Turfguard

AdjustingHoleSpacing

Theforwardholespacingisdeterminedbythetractor'sgear

ratio(orthehydrostatictractionpedal).Changingtheengine

speeddoesnotchangetheforwardholespacing.

Thelateralholespacingisdeterminedbythenumberoftines

inthetineheads.

CoringHeadTiming

TheunitizedcoringheaddesignoftheProCoreaerators

providesindustryleadingsmoothoperationwhiletakingout

theguessworkoftiming.

ProCore864(Figure41)

Thisunithasapatentpendingtimingcon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,twocounterweightsareaddedatthe#1position

onthepulleyandthe#8position.

Note:Thenumberscastintothecrankarmswillnotalign

withtheraisedindicatormarkonthebearinghousingsfor

theProCore864.

Figure41

ProCore1298(Figure42)

Thisunitiscomprisedof2independentcoringheadswith6

armseach.Thetimingofeithercoringheadisnotdependent

ontheadjacentcoringhead.Thetimingmarksareeasily

identiedbythenumberscastintothecrankarmcastings

andtheraisedlocatoronthebearinghousings.The#1arm

alwaysstartswiththedrivepulley.