Toro 41593 - Bleeding Air from the Injectors; Servicing the Fuel Filters

Figure54
1.Ventplug
6.TurnthekeyinthestarterswitchtotheOnposition.
Note:Theelectricfuelpumpwillbeginforcingairout
aroundtheventplug.LeavekeyintheOnposition
untilasolidstreamoffuelowsoutaroundthevent
plug.
7.Tightenventplug(Figure54)andturnthestarter
switchtotheOffposition.
8.Alignthedrainpanunderthefuelinjectionpump
portionoftheengine(Figure55).
Figure55
1.Bleedscrew(fuel-injection-pump)
9.Opentheairbleedscrewatthefuelinjectionpump
(Figure55).
10.TurnkeyinstarterswitchtotheOnposition.
Note:Electricfuelpumpwillbeginoperation,thereby
forcingairoutaroundairbleedscrewonfuelinjection
pump.
11.LeavethekeyintheOnpositionuntilasolidstreamof
fuelowsoutaroundthebleedscrew(Figure55).
12.Tightenthebleedscrew(Figure55)andturnthekey
totheOffposition.
Note:Normally,theengineshouldstartafteryoubleedthe
fuelsystem.However,iftheenginedoesnotstart,theremay
beairtrappedbetweentheinjectionpumpandtheinjectors;
refertoBleedingAirfromtheInjectors(page45).
BleedingAirfromtheInjectors
Youshouldperformthisprocedureonlyafteryouhave
purgedtheairinthefuelsystemandtheenginedoesnotstart;
refertoBleedingtheFuelSystem(page44).
1.Alignadrainpanundertherightsideoftheengine
2.LoosenthetubenutattheNo.1fuelinjectornozzle
andholderassembly.
3.MovethethrottletotheFastposition.
4.TurnthekeyinthekeyswitchtotheStartposition
andwatchthefuelowaroundtheconnector.Turn
thekeytotheOffpositionwhenyouobserveasolid
owoffuel.
5.Tightenthetubenutsecurely.
6.Cleanresidualfuelfromareaaroundthefuelinjector
7.Repeatsteps2through6fortheremainingfuelinjector
nozzles.
8.Installtheforwardheatshield;refertoInstallingthe
EngineHeatShield(page39).
ServicingtheFuelFilters
ReplacingtheWaterSeparatorFilter
Canister
ServiceInterval:Every400hours
1.Removetheforwardheatshield;referto
2.Placeadrainpanunderthewater-separator-lter
canister(Figure56).
45