Toro 74790 - Page 19

Understandingthe
Safety-InterlockSystem
WARNING
Ifsafety-interlockswitchesaredisconnected
ordamaged,themachinecouldoperate
unexpectedlycausingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdaily,andreplaceanydamaged
switchesbeforeoperatingthemachine.
Thesafety-interlocksystemisdesignedforthe
following:
•Topreventtheenginefromstartingunlessthe
tractionpedalisintheNEUTRALposition.
•Toautomaticallyensurethattheparkingbrakeis
engagedandthePTOisoffwhenstarting.
•Toshutofftheenginewheneverthetractionpedal
isnotintheNEUTRALpositionandyourisefrom
theseat.
•Toautomaticallyengagetheparkingbrakeand
disengagethePTO,whenyouriseoutoftheseat
withthetractionpedalintheNEUTRALposition.
•Toshutofftheenginewhenevertheparkingbrake
isnotengagedandyourisefromtheseat.
TestingtheSafety-Interlock
System
1.Whilesittingontheseat,movetheblade-control
switchtoOFF.
2.TurntheignitionkeytotheSTARTposition.
Note:Thestartershouldcrank.
3.PushtheSmartPark™switchtotheOFF
position.
Note:Thebrakeshoulddisengage,andthe
brakelightshouldturnoff.
4.Withbrakedisengagedandtractionpedalin
neutral,turntheignitionswitchtotheSTART
position.
Note:Thebrakeshouldautomaticallyengage,
theengineshouldcrank,andthebrakelight
turnson.
5.EngagethePTObypullinguponthe
blade-controlswitch.
6.Ensurethatthetractionpedalisinneutraland
turnignitionswitchtotheSTARTposition.
Note:ThePTOshoulddisengageandthe
engineshouldcrank.
7.Ensurethatthetraction-controlpedalisinthe
NEUTRALpositionandstarttheengine.
8.Raisefromtheseat.
Note:Theengineshouldremainrunning.
9.Returntotheseat,disengagetheparkingbrake
bypushingtheSmartPark™switchtotheOFF
position.
Note:Theengineshouldremainrunning.
10.Raisefromtheseat.
Note:Thebrakeshouldautomaticallyengage
andtheengineshouldremainrunning.
11.Returntotheseat,engagethebladesbypulling
upontheblade-controlswitch.
12.Raisefromtheseat.
Note:Thebladesshoulddisengageandthe
engineshouldremainrunning.
13.Returntotheseat,andpulltheblade-control
switchup.
Note:Thebladesshouldengage.
14.Pushdownontheblade-controlswitch.
Note:Thebladesshoulddisengage.
15.Engagethebladesbypullinguponthe
blade-controlswitch.
16.Movetractionpedaltoreverse.
Note:Thebladesshoulddisengage.
17.Engagethebladesbypullinguponthe
blade-controlswitch.
18.TurntheKeyChoice™switchtoONandrelease.
Note:Theoperatinginreverselightshould
illuminate.
19.Movethetractionpedaltoreverse.
Note:Thebladesshouldremainengaged.
20.PushthePTOswitchtotheOFFposition.
Note:Thebladesshouldturnoffandthe
reversewarninglightshouldturnoff.
21.Engagetheparkingbrakebypushing
SmartPark™switchtotheONposition.
Note:Thebrakeshouldengageandthebrake
lightshouldbeon.
22.Pushandreleasethetractionpedalineitherthe
forwardorreversedirection.
Note:Thebrakeshoulddisengageandthe
brakelightshouldturnoff.
23.Raisefromtheseat,andpushthetractionpedal
toeithertheforwardorreversedirection.
Note:Theengineshouldshutoff.
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