Toro 74797 - Cleaning the Cooling System; Fuel System Maintenance; Replacing the In-Line Fuel Filter

InstallingtheSparkPlug
Note:Ifatorquewrenchisnotavailablewheninstallinga
sparkplug,installausedsparkplugan1/8–1/4turnpast
ngertightandinstallanewsparkpluga1/2turnpastnger
tight.Ensurethesparkplugistightenedwithatorquewrench
assoonaspossible.
Tightenthesparkplug(s)to25–30N-m(18.5–22.1ft-lb).
B
A
25-30 N-m
18.5-22.1 ft-lb
g027960
C
D
Figure35
CleaningtheCoolingSystem
Cleantheairintakescreenfromgrassanddebrisbeforeeach
use.
1.Disengagetheblade-controlswitchandapplythe
parkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetheengineshroud.
4.Cleandebrisandgrassfromtheparts.
5.Installtheengineshroud.
FuelSystem
Maintenance
DANGER
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Performanyfuelrelatedmaintenancewhenthe
engineiscold.Dothisoutdoorsinanopenarea.
Wipeupanygasolinethatspills.
•Neversmokewhendraininggasoline,andstay
awayfromanopenameorwhereasparkmay
ignitethegasolinefumes.
ReplacingtheIn-LineFuel
Filter
ServiceInterval:Every100hours/Yearly(whichevercomes
rst)—Checkthein-linefuellter.
Every200hours/Every2years(whichevercomes
rst)—Replacethein-linefuellter.
Neverinstalladirtylterifitisremovedfromthefuelline.
1.Parkthemachineonalevelsurfaceanddisengagethe
blade-controlswitch.
2.Ensurethebrakeisengaged,stoptheengine,remove
thekey,andwaitforallmovingpartstostopbefore
leavingtheoperatingposition.
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