Exmark QSS708GEM42200 - Safety Interlock System

Operation
TheSafetyInterlockSystem
WARNING
Ifsafety-interlockswitchesaredisconnected
ordamaged,themachinecouldoperate
unexpectedlycausingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
daily,andreplaceanydamagedswitches
beforeoperatingthemachine.
UnderstandingtheSafety-interlock
System
Thesafety-interlocksystemisdesignedforthe
following:
•Topreventtheenginefromstartingunlessthe
traction-controlpedalisintheneutralposition.
•Toautomaticallyensurethattheparkingbrakeis
engagedandthePTOisoffwhenstarting.
•Tostoptheenginewheneverthetraction-control
pedalisnotintheneutralpositionandyourise
fromtheseat.
•Toautomaticallyengagetheparkingbrakeand
disengagethePTO,whenyouriseoutofthe
seatwiththetraction-controlpedalintheneutral
position.
•Tostoptheenginewhenevertheparkingbrakeis
notengagedandyourisefromtheseat.
TestingtheSafetyInterlockSystem
Testthesafetyinterlocksystembeforeyouusethe
machineeachtime
1.Whilesittingontheseat,withtheparkingbrake
disengaged,movethetraction-controlpedal
forwardto“ON”.
2.Trystartingtheengine.
Note:Theengineshouldnotcrank.
3.Whilesittingontheseat,movetheblade-control
switchto“OFF”.
4.Turntheignitionkeytothe“START”position.
Note:Thestartershouldcrank.
5.PushtheSmartParkswitchtothe“OFF”position.
Note:Thebrakeshoulddisengage,andthebrake
lightshouldturnoff.
6.Withbrakedisengagedandtractionpedalin
neutral,turntheignitionswitchtothe“START”
position.
Note:Thebrakeshouldautomaticallyengage,
theengineshouldcrank,andthebrakelightwill
turnon.
7.EngagethePTObypullinguponthe
blade-controlswitch.
8.Ensurethetraction-controlpedalisinneutraland
turnignitionswitchtothe“START”position.
Note:ThePTOshoulddisengageandtheengine
shouldcrank.
9.Ensurethetraction-controlpedalisintheneutral
positionandstarttheengine.
10.Raisefromtheseat.
Note:Theengineshouldremainrunning.
11.Returntotheseat,disengagetheparkingbrake
bypushingtheSmartParkswitchtothe“OFF”
position.
Note:Theengineshouldremainrunning.
12.Raisefromtheseat.
Note:Thebrakeshouldautomaticallyengage
andtheengineshouldremainrunning.
13.Returntotheseat,engagethebladesbypulling
upontheblade-controlswitch.
14.Raisefromtheseat.
Note:Thebladesshoulddisengageandthe
engineshouldremainrunning.
15.Returntotheseat,andpullthebladecontrol
switchup.
Note:Thebladesshouldengage.
16.Pushdownontheblade-controlswitch.
Note:Thebladesshoulddisengage.
17.Engagethebladesbypullinguponthe
blade-controlswitch.
18.Movetraction-controlpedaltoreverse.
Note:Thebladesshoulddisengage.
19.Engagethebladesbypullinguponthe
blade-controlswitch.
20.TurntheKeyChoice
®
switchto“ON”andrelease.
Note:Theoperatinginreverselightshould
illuminate.
21.Movethetraction-controlpedaltoreverse.
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