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  9. Toro 30421 User manual

Toro 30421 User manual

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FormNo.3365-101RevA
SpeedControlKit
Groundsmaster®4000SeriesTractionUnit
ModelNo.30421
InstallationInstructions
Installation
1.Parkmachineonalevelsurface,shutengineoffand
lowercuttingunitstotheoor.
Steps2through10areformodels30410,30411,
30412and30413.
2.Removetheknobssecuringthecontrolpanel
housingtothecontrolpanelcompartment(Figure1).
Removethehousing.
3.Removetheplugfromtheswitchmountingholein
thecontrolpanel(Figure1).
Figure1
1.Controlpanelhousing3.Holeplug
2.Knob
4.Presstheswitchintothecontrolpanelmounting
hole.Positiontheswitchsothegreenlensisforward,
asshowninFigure2.
5.Locatethewireharnessunderthecontrolpanel.
Plugthewireharnessconnector,labeledcruise,into
theswitch.
6.Mountanewrelaytotheinsideofthecontrolpanel
compartment(Figure2)witha1/4x7/8inch
capscrewandlocknut.Thekitissuppliedwithtwo
relays,usetherelaythatmatchestheconnectoron
theharnessdescribedinthenextstep.Discardthe
remainingrelay.
7.Locatethebundledwireharness(labeledcruise)
underthecontrolpanel.Plugthesinglewireharness
connectorintotherelay.
8.Re-installthecontrolpanelhousingtothecontrol
panelcompartmentandsecureitwithknobs.
9.Disconnecttheupperhydraulichosefromthefront,
right,deckliftcylinder.
10.Undertheoorplateandabovetherightliftarm,
locatethetwoconnectorsonthewireharness.Plug
adiodeintoeachconnector(Figure2).Wiretiesmay
havetoberemovedtoaccesstheharness.Proceed
tostep20.
Figure2
1.Switch3.Diodes
2.Relay
Steps11through19areformodels30446,30447,
30448and30449
11.Removethe(2)screwssecuringtheplatetotheright
coverofthecontrolarm(Figure3).
©2010—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.OriginalInstructions(EN)
PrintedintheUSA.
AllRightsReserved
Figure3
1.Plate3.Controlarm
2.Rightcover4.Controlarmswitchpanel
andarmrest
12.Removethe(6)screwssecuringtherightcoverto
therightsideofthecontrolarm(Figure3).
13.Removetheangeheadscrewssecuringthecontrol
armswitchpanelandarmresttothecontrolarm
housing(Figure3).
14.Frominsidethecontrolarmswitchpanel,pressthe
plugoutoftheholeinthesideofthecontrolpanel
(Figure4).
Figure4
1.Plug2.Switch
15.Presstheswitchintothecontrolpanelmounting
hole.Positiontheswitchsothegreenlensisforward,
asshowninFigure4.
16.Locatethewireharnessunderthecontrolpanel.
Plugthewireharnessconnector,labeledcruise,into
theswitch.
17.Re-installthecontrolarmswitchpanelandarmrest.
18.Re-installthecovertotherightsideofthecontrol
arm.
19.Disconnecttheupperhydraulichosefromthefront,
right,deckliftcylinder.
Remainingstepsareforallmodels
20.Mounttheeldcorecoilandcoilmounttotheright
sideofthetractionunitframe,abovethefrontaxle,
with(4)1/4x7/8inchcapscrews,(4)locknutsand
(1)externaltoothlockwasherasshowninFigure5.
Note:Thelockwasheristobemountedbetween
thecapscrewheadandtheframe.
Note:Theshaftfromthecoilmountistobe
positionedtotherear.
21.Threadthesetscrewintotheclutchplateuntilit
contactstheclutchplatetab(Figure5).Tightenthe
jamnut.
22.Looselymounttheclutchplate,compressionspring
and(2)angebushingstotheframewitha1/2x
3.00inchcapscrewandjamnutwhileinsertingthe
clutchplateforkontothetractionpedalpivotand
theshaftfromthecoilmounttheslotintheclutch
plate(Figure5).Thetabontheclutchplateisto
betowardthecoil.Tightenthecapscrewuntilthere
isa.06"gapbetweentheclutchplateandthecoil.
Tightenthejamnut.
23.Plugtheharnessconnectorintothecoillead.
24.Connectthehydraulichosetotheliftcylinder.
Figure5
1.Coilmount5.Compressionspring
2.Fieldcorecoil6.Clutchplate
3.Capscrew&externaltooth
lockwasher
7.Setscrew
4.Flangebushing8.Jamnut
25.Mountaswitchtothelongerswitchbracketwith
(2)#6x1inchcapscrewsandlocknuts,asshown
inFigure6.Theswitchactuatoristoalignwiththe
leveronthebrakepivotrod.
2
Figure6
1.Longswitchbracket2.Switch
26.Looselymountthelongswitchbrackettotheright
sideofthetractionunitframewith(2)1/4x7/8
inchcapscrewsandlocknuts(Figure6).
27.Movetheswitchintotheleveronbrakepivotrod
untiltheswitchactuates,thentightenthebracket
mountingnuts.Donotover-tighten.
28.Repeattheprocedureonleftsideofthemachine
usingtheshortswitchbracketandtheswitch
(Figure7).
Figure7
1.Shortswitchbracket2.Switch
29.Routetheharnessconnectorsforwardtothe
switches.Plugtheconnectorsontotheswitches.
Important:Securetheharnesswirestothe
machinecomponentswithwireties.Makesure
thewiresdonotcontactanyhotormovingparts.
Important:Makesuretheswitchesactuate
withslightmotionofeithertherightorleft
brakepedal.
Operation
OperatingtheSpeedControl
1.Sitonseat,operatethemachineinthenormal
manner.
2.Positionthetractionpedalsothemachineis
operatingatthedesiredgroundspeed.
3.Holdthepedalinposition,depressthecruise
controlswitch.Theswitchwillilluminatewhenin
the"ON"position.
4.Withthecruisecontrolengaged,thetractionpedal
mustbeabletooverridethesystemwithmoderate
footforce.Iftoomuchforceisrequiredtooverride
system,proceedwiththefollowing:
•Loosenthejamnutsecuringthesetscrewinthe
clutchplate.
•Threadthesetscrewintotheclutchplateuntil
theproperoverridingforceisachieved.
•Tightenthejamnut.Checktheoperation.
5.Themachinewillnowoperatewiththetraction
pedalinthesetpositionortheoperatorcanchange
thepedalpositionbyapplyinganoverridingforce.
Todisengagethecontrol:
•Actuatethebrakepedal;thisbreakstheelectrical
circuitandallowsthenormaltractionpedal
operation.
or
•Depressthecruisecontrolswitch.
3