Toro ProCore 864 - Understanding the Traction Unit Controls; Understanding the Principles of Operation; Practicing the Operating Procedures

g007304
Figure23
1.Depthadjusterinputshaft
3.Depthindicatordecal
2.Lockingplate4.Depthalignmentmark
4.Pushinonthesocketoruseyourhandtopress
onthelockingplate.
5.Rotatethedepthadjusterclockwisetoreduce
theaerationdepthorcounterclockwiseto
increasetheaerationdepth.(Figure23).
6.Rotatethedepthadjusterinputshaftuntilthe
desireddepthisattainedasshownonthedepth
indicatordecal(Figure23).
Note:17revolutionsofthedepthadjusterinput
shaftequalapproximately6.4mm(1/4inch)
depthchange.
UnderstandingtheTraction
UnitControls
Familiarizeyourselfwiththeoperationofthefollowing
tractionunitcontrolsbeforeoperatingthemachine:
•PTOengagement
•3pointhitch(raise/lower)
•Clutch
•Throttle
•Gearselection
•Parkingbrake
Important:Refertothetractionunitoperator's
manualforoperatinginstructions.
Understandingthe
PrinciplesofOperation
The3-pointhitchlinkageofthetractionunitliftsthe
machinefortransportandlowersitforoperation.
Powerfromthetractionunitpowertake-off(PTO)is
transmittedthroughdriveshafts,agearbox,anddrive
beltstoanumberofcrankshafts,whichdrivethetine
holdingarmsintotheturfsurface.
AsthetractionunittravelsforwardwiththePTO
engagedandthemachinelowered,aseriesofholes
arecreatedintheturf.
Thepenetrationdepthofthetinesisdeterminedby
theheightofthedepthcontrol.
Thedistancebetweentheaerationholesis
determinedbythegearratio(orhydrostatictraction
pedalposition)ofthetractionunitandthenumberof
tinesineachtinehead.
Note:Changingtheenginespeeddoesnotchange
holespacing.
PracticingtheOperating
Procedures
Important:WhenconnectingthePTO,ensure
thatthemachineisnotliftedhigherthanis
necessary.Liftingthemachinetoohighcauses
thePTOdriveshaftknucklestobreak(Figure24).
ThePTOcanoperateuptoanangleof25°,but
canneverexceeda35°anglewhenthemachine
isatitshighestposition,orsevereshaftdamage
mayoccur.
g194609
Figure24
1.Breakageoccurshere.
Beforeusingthemachine,ndaclearareaand
practiceoperatingthetractionunitwiththemachine
installed.
Important:Iftherearesprinklerheads,electrical
orcommunicationlines,orotherobstructionsin
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