Toro Groundsmaster 30345 - Adjusting the Parking-Brake-Interlock Switch

Adjustingthe
Parking-Brake-Interlock
Switch
1.Shutofftheengineandremovethekeyfromthe
keyswitch.
Note:Donotengagetheparkingbrake.
2.Removetheknobfromtheparking-brakerod
andthescrewsfromthesteering-towercover
(Figure70).
g035079
Figure70
1.Steering-towercover3.Switch-mountingscrews
2.Parking-brakeknob/rod4.Cover-mountingscrews
3.Slidethecoverupthesteeringshafttoexpose
theparkingbrakeswitch(Figure71).
4.Loosenthescrewsandnutsthatsecurethe
parkingbrakeswitchtotheleftsideofthe
steeringtower(Figure70).
5.Alignthepaddleoftheparkingbrakerodwith
theswitchplunger(Figure71).
g001239
Figure71
1.Parking-brakeinterlock
switch
2.Paddle(parking-brake
rod)
6.Pressdownontheparking-brakerodandpush
uptheswitchuntilthecompressedlengthofthe
switchplungeris0.7mm(0.030inches);refer
toFigure71.
Note:Thisisthedistancebetweenthe
brake-rodpaddleandtheswitch-plunger
housing.
7.Tightentheswitch-mountingscrewsandnuts.
8.Withtheparkingbrakeengaged,usea
multimetertomeasurecontinuitythroughthe
switch;whenthepositionoftheswitchiscorrect,
youshouldmeasurecontinuitythroughswitch
circuit.
Note:Ifthereisnocontinuity,movetheswitch
downslightlyuntilthereiscontinuity.
9.Checktheoperationoftheparkingbrake
interlockswitchasfollows:
A.Engagetheparkingbrake.
B.Pressthetractionpedalwhiletheengineis
runningandthePTOswitchisintheOFF
position;Theparkingbrakeinterlockswitch
isoperatingcorrectlyiftheengineshutsoff
within2seconds.
Important:Iftheenginedoesnotstop,
theinterlocksystemisnotoperating
correctly.Youmustrepairtheinterlock
systembeforeoperatingthemachine.
10.Installthesteering-towercoverandbrake-rod
knob.
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