Toro 4045 - Engine Maintenance Procedures; Crankcase Vent Tube Cleaning; Air Cleaning System Servicing; Air Cleaner Indicator Check

EngineMaintenance
CleaningtheCrankcase-vent
Tube
ServiceInterval:Beforeeachuseordaily—Checkthe
crankcase-venttubeandcleanitif
necessary.
1.Parkthemachineonalevelsurface,stoptheengine,
andremovetheignitionkey.
2.Openthefronthood.
3.Gentlypullthecrankcase-venttubeout(Figure115).
4.Cleantheendofthecrankcase-venttube(Figure115).
Figure115
1.Crankcaseventtube
ServicingtheAir-cleaning
System
Important:Donotremovetheelementsfromthe
machinetocheckfordirtylters;usethefollowing
procedureinstead.
Important:Donotreplacetheoldair-cleanerlterwith
alterthatismorethan5yearsold;checkthedateof
manufactureontheendcapoftheelement.
Note:Everytimeyouservicetheair-cleanersystem,ensure
thatallhoseconnectionsandangesareairtight.Replace
alldamagedparts.
•Checktheair-cleanerbodyfordamagewhichcouldcause
anairleak.Replaceitifitisdamaged.Checkthewhole
intakesystemforleaks,damageorloosehoseclamps.
Also,inspecttherubberintakehoseconnectionsattheair
cleanerandtheturbotomakesurethattheconnections
arecomplete.
•Servicetheair-cleanerlteronlywhen“CheckAirFilter”
isdisplayedonthescreen.Changingtheairlterbefore
itisnecessaryonlyincreasesthechanceofdirtentering
theenginewhenthelterisremoved.
•Besurethatthecoverisseatedcorrectlyandsealswith
theair-cleanerbody.
CheckingtheAir-cleanerIndicator
ServiceInterval:Beforeeachuseordaily
1.Starttheengine.
2.Checktherestricted,air-cleanerindicatoronthedisplay
screenasshowninFigure116.
1
ESC
2
3
4
5
6
7
8
OK
6
12
18
24
30
n/min
x 100
G021619
1
Figure116
1.Restrictedair-cleanerindicator
3.Replacetheair-lterelement(s)asfollows:
A.Replacetheprimary,air-cleanerlter;referto
ServicingtheAir-cleanerFilter(page87).
B.Repeatsteps1and2;iftherestrictedair-cleaner
indicatorisstillshownonthedisplayscreen,
replacethesecondary,air-cleanerlter;referto
ServicingtheAir-cleanerFilter(page87).
85