Toro 4573 - Fuel System Maintenance; Draining the Fuel Tank; Replacing the Fuel Filter

FuelSystem
Maintenance
DrainingtheFuelTank
Drainthefueltankwhenyouwillnotbeusingthe
machineformorethan30days.
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areor
explosionfromgasolinecanburnyouand
othersandcandamageproperty.
•Draingasolinefromthefueltankwhenthe
engineiscold.Dothisoutdoorsinanopen
area.Wipeupanygasolinethatspills.
•Neversmokewhendraininggasoline,and
stayawayfromanopenameorwherea
sparkmayignitethegasolinefumes.
1.Parkthemachinesothattheleftfrontsideisslightly
lowerthantherightsidetoensurethatthefueltank
drainscompletely.
2.Disengagetheblades(PTO).
3.Settheparkingbrake.
4.Stoptheengineandwaitforallmovingpartstostop.
5.Removetheignitionkey.
6.Closethefuelshut-offvalvelocatedunderthefront
ofthefueltank.
7.Loosenthehoseclampatthefuellterandslideit
upthefuellineawayfromthefuellter(Figure26).
Figure26
1.Hoseclamp
3.Fuellter
2.Fuelline
8.Pullthefuellineoffthefuellter(Figure26).
9.Openthefuelshut-offvalveandallowthegasoline
todrainintoanapprovedfuelcontaineroradrain
pan.
Note:Nowisthebesttimetoinstallanewfuel
lterbecausethefueltankisempty.
10.Installthefuellineontothefuellter.
11.Slidethehoseclampclosetothefuelltertosecure
thefuelline(Figure26).
ReplacingtheFuelFilter
ServiceInterval:Every100hours/Yearly(whichever
comesrst)
Thebesttimetoreplacethefuellter(Figure26)is
whenthefueltankisempty.Neverinstalladirtyfuel
lterafterithasbeenremovedfromthefuelline.
1.Parkthemachineonalevelsurface.
2.Disengagetheblades(PTO).
3.Settheparkingbrake.
4.Stoptheengineandwaitforallmovingpartstostop.
5.Removetheignitionkey.
6.Closethefuelshut-offvalve(Figure27).
Figure27
1.Fuelshut-offvalve
7.Squeezetheendsofthehoseclampstogetherand
slidethemawayfromtheoldfuellter(Figure27).
8.Removetheoldfuellterfromthefuelline.
9.Installanewfuellterandmovethehoseclamps
closetoit.
10.Openthefuelshut-offvalve.
26