Toro 41235 - Inspecting the Nylon Pivot Bushings; Cleaning; Cleaning the Flowmeter; Cleaning the Suction Strainer

3.Oncetheoriginalpositionoftheactuatorisrecovered,
closethemanualreliefvalve.Torquethevalveto
1.1-2.1ft-lb(1.5-2.9N⋅m).
InspectingtheNylonPivot
Bushings
ServiceInterval:Every400hours/Yearly(whichevercomes
rst)
1.Positionthesprayeronalevelsurface,settheparking
brake,stopthepump,stoptheengine,andremovethe
ignitionkey.
2.Extendtheboomstothespraypositionandsupport
theboomsusingstandsorstrapsfromalift.
3.Withtheweightoftheboomsupported,remove
theboltandnutsecuringthepivotpintotheboom
assembly(
Figure53).Removethepivotpin.
G002017
2
3
1
4
4
5
Figure53
1.Pivotpin4.Nylonbushing
2.Bolt5.Pivotbracket
3.Nut
4.Removetheboomandpivotbracketassemblyfrom
thecenterframetoaccessthenylonbushings.
5.Removeandinspectthenylonbushingsfromthefront
andbacksidesofthepivotbracket(Figure53).Replace
anydamagedbushings.
6.Placeasmallamountofoilonthenylonbushingsand
installthemintopivotbracket.
7.Installtheboomandpivotbracketassemblyintothe
centerframe,aligningtheopenings(
Figure53).
8.Installthepivotpinandsecureitwiththeboltandnut
removedpreviously.
Repeattheprocedureforeachboom.
Cleaning
CleaningtheFlowmeter
ServiceInterval:Every200hours/Yearly(whichevercomes
rst)(Moreoftenwhenusingwettable
powders)
1.Thoroughlyrinseanddraintheentiresprayingsystem.
2.Removetheowmeterfromthesprayerandushit
withcleanwater.
3.Removetheretainerringontheupstreamside
(Figure54).
G012934
8
7
9
1
4 5
2
3
6
5
Figure54
1.Modiedangedbody
6.Turbinestudassembly
2.Rotor/magnetassembly7.Cableclamp
3.Hub/bearingassembly
8.Threadscrew
4.Hubassembly(with
keywayup)
9.Sensorassembly
5.Retainingring10.Flow-reducingsleeve
4.Cleantheturbineandtheturbinehubtoremovemetal
lingsandanywettablepowders.
5.Inspecttheturbinebladesforwear.
Note:Holdtheturbineinyourhandandspinit.It
shouldspinfreelywithverylittledrag.Ifitdoesnot,
replaceit.
6.Assembletheowmeter.
7.Usealowpressure(5psior50kPa)airjettoensure
thattheturbinespinsfreely.Ifitdoesnot,loosenthe
hexstudonthebottomoftheturbinehubby1/16of
aturnuntiltheturbinespinsfreely.
CleaningtheSuctionStrainer
ServiceInterval:Beforeeachuseordaily
1.Positionthesprayeronalevelsurface,settheparking
brake,stopthepump,stoptheengine,andremovethe
ignitionkey.
44