Toro 31598N - Servicing the Water Separator; Replacing the Fuel Filter

ServicingtheWaterSeparator
ServiceInterval:Beforeeachuseordaily—Drainthewater
separator.
Every500hours—Replacethefuel/waterseparator
element.
DrainingtheWaterSeparator
1.Placeacleancontainerunderthewaterseparator
(Figure62).
2.Openthedrainplugandoperatethepumptodrain
contaminates(Figure62).
Figure62
1.Water-separator-lter
canister
4.Flow-checkvalve
2.Primingpump5.Ventplug
3.Drainplug
3.Closethedrainplug.
ReplacingtheFuel-FilterElement
1.Placeacleancontainerunderthewaterseparator.
2.Drainsomefuelbylooseningtheventplugand
openingthedrainplug(Figure62).
3.Disconnectthewatersensor(electricalconnector)
fromthebottomofthewaterseparator.
4.Cleantheareawherethelterelementmountstothe
head.
5.Removethelterelementandbowl.
6.Removetheelementfromthebowlandcleanthe
mountingsurface.
7.CleantheO-ringglandonthebowl.
8.Applyacoatingofcleanfuelorengineoiltothenew
O-ringandelementseal.
9.Spinthebowlontothenewelement,thenspinthem
bothontothelterheadbyhandonly.
Note:Donotusetools.
10.Closethedrainplug.
11.Connectthewatersensor(electricalconnector)from
thebottomofthewaterseparator.
12.Withtheventplugstillloosened,operatetheprimer
pumpuntilthefuelpurgesattheventplug.
13.Closetheventplug,starttheengine,andcheckfor
leaks.
Note:Correctasnecessarywiththeengineoff.
ReplacingtheFuelFilter
ServiceInterval:Every500hours—Replacethefuel-lter
element
1.Cleantheareaaroundthefuel-lterhead(Figure63).
Figure63
1.Fuel-lterhead
2.Filter
2.Removethelterandcleanthelter-head-mounting
surface(Figure63).
3.Lubricatetheltergasketwithclean,lubricatingengine
oil;refertotheengineowner’smanual(includedwith
themachine)foradditionalinformation.
4.Installthedryltercanister,byhand,untilthegasket
contactsthelterhead,thenrotateitanadditional
1/2turn.
5.Loosenthebanjottingonthefuel-lterhousing
(Figure64).
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