Toro 30473 - Brake Maintenance; Adjusting the Parking-Brake Interlock Switch; Belt Maintenance; Checking the Alternator-Belt Tension

BrakeMaintenance
AdjustingtheParking-Brake
InterlockSwitch
1.Stopthemachine,movethemotion-controlleversto
theNEUTRAL-LOCKposition,settheparkingbrake,
andremovetheignitionkey.
2.Unlatchtheseatandpivotitforward.
Note:Ifyouneedadditionalaccessundertheseat,
youcanremovethesidepanels.
3.Loosenthe2jamnutssecuringtheparking-brake
interlockswitchtothemountingbracket.
Figure37
1.Brake-shaftsensor
3.Jamnut
2.4mm(5/32inch)
4.Parking-brakeinterlock
switch
4.Movetheswitchupordownonthebracketuntilthe
distancebetweenthebrake-shaftsensorandtheswitch
plungeris4mm(5/32inch)asshowninFigure37.
Note:Makesurethatthebrake-shaftsensordoesnot
contacttheswitchplunger.
5.Securetheswitchjamnuts.
6.Testtheadjustmentasfollows:
A.Ensurethattheparkingbrakeisengagedandyou
arenotsittingontheseat,thenstarttheengine.
B.MovethecontrolleversoutoftheNEUTRAL-LOCK
position.
Note:Theengineshouldstop.Ifnot,checkthe
adjustmentthatyoumadetotheswitch.
7.Lowertheseat.
BeltMaintenance
CheckingtheAlternator-Belt
Tension
ServiceInterval:Aftertherst10hours
Every100hours
1.Apply44N(10lb)offorcetothealternatorbelt,
midwaybetweenthepulleys.
2.Ifthedeectionisnot10mm(3/8inch),loosenthe
alternatormountingbolts(Figure38).
Figure38
1.Mountingbolt2.Alternator
3.Increaseordecreasethealternator-belttension.
4.Tightenthemountingbolts.
5.Checkthedeectionofthebeltagaintoensurethat
thetensioniscorrect.
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