Toro GrandStand 74589 - Servicing the Fuel Filter; Servicing the Electronic Fuel-Injection System

ServicingtheFuelFilter
ReplacingtheFuelFilter
ServiceInterval:Every800hours/Yearly(whichevercomes
rst)
Donotinstalladirtylterifitisremovedfromthefuelline.
Note:Wipeupanyspilledfuel.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Closethefuelshut-offvalve(behindtheoperator
cushion).
4.Squeezetheendsofthehoseclampstogetherandslide
themawayfromthelter(Figure50).
G008963
12
3
Figure50
1.Filter3.Fuelline
2.Hoseclamp
5.Removethelterfromthefuellines.
6.Installanewlterandmovethehoseclampscloseto
thelter.
7.Openthefuelshut-offvalve.
8.Checkforfuelleaksandrepairifneeded.
9.Wipeupanyspilledfuel.
ServicingtheElectronic
Fuel-InjectionSystem
Thismachinecontainsanelectronicfuel-injectionsystem.It
controlsthefuelowunderdifferentoperatingconditions.
Theelectronic-controlunit(ECU)continuouslymonitorsthe
operationoftheEFIsystem.
Ifaproblemorfaultwithinthesystemisdetected,the
malfunction-indicatorlight(MIL)isilluminated.TheMILis
theredlightlocatedintheconsolepanel.
OncetheMILilluminates,initialtroubleshootingchecks
shouldbemade.
Ifthesechecksdonotcorrecttheproblem,furtherdiagnosis
andservicingbyanAuthorizedServiceDealerisnecessary.
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