Toro 41593 - Changing the Pressure Filter; Pump Maintenance; Adjusting the Actuators

ChangingthePressureFilter
ServiceInterval:Every400hours
1.Movethemachinetoalevelsurface,shutoffthe
sprayerpump,shutofftheengine,andremovethekey
fromthestarterswitch.
2.Alignadrainpanunderthepressurelter(Figure73).
Figure73
1.Filterhead4.Bowl
2.O-ring(bowl)5.O-ring(drainplug)
3.Filterelement6.Drainplug
3.Rotatethedrainplugcounterclockwiseandremoveit
fromthebowlofthepressurelter(Figure73).
Note:Allowthebowltodraincompletely.
4.Rotatethebowlcounterclockwiseandremoveitlter
head(Figure73).
5.Removetheoldpressurelterelement(Figure73).
Note:Discardtheoldlter.
6.ChecktheO-ringforthedrainplug(locatedinsidethe
bowl)andtheO-ringforbowl(locatedinsidethelter
head)fordamageandwear(Figure73).
Note:ReplaceanydamagedorwornO-ringsforthe
plug,bowl,orboth.
7.Installthenewpressurelterelementintothelter
head(Figure73).
Note:Ensurethatthelterelementisrmlyseated
intothelterhead.
8.Installthebowlontothelterheadhandtight(Figure
73).
9.Installtheplugintothebowlhandtight(Figure73).
PumpMaintenance
InspectingthePump
ServiceInterval:Every400hours/Yearly(whichevercomes
rst)—Inspectthepumpdiaphragmand
replaceifnecessary(seeanAuthorized
ToroServiceDistributor).
Every400hours/Yearly(whichevercomes
rst)—Inspectthepumpcheckvalvesandreplace
ifnecessary(seeanAuthorizedToroService
Distributor).
Note:Thefollowingmachinecomponentsareconsidered
partssubjecttoconsumptionthroughuseunlessfound
defectiveandarenotcoveredbytheWarrantyassociatedwith
thismachine.
HaveanAuthorizedToroServiceDistributorcheckfollowing
internalpumpcomponentsfordamage:
•Pumpdiaphragm
•Pumpcheckvalvesassemblies
Replaceanycomponentsifnecessary.
AdjustingtheActuators
Thefollowingprocedurecanbeusedtoadjustthelengthof
theactuatorrods.
1.Extendtheboomstothesprayposition.
2.Removethecotterpinfromthepivotpin(Figure74).
G013780
1
4
2
3
5
Figure74
1.Actuator
4.Cotter
2.Actuatorrod5.Pin
3.Boom-pivot-pinhousing
3.Liftupontheboomandremovethepin(Figure74).
Slowlylowertheboomtotheground.
4.Inspectthepinforanydamage,replaceifnecessary.
57