Toro Multi Pro WM - Inspecting the Nylon Pivot Bushings; Cleaning; Cleaning the Flow Meter

InspectingtheNylonPivot
Bushings
ServiceInterval:Every400hours/Yearly(whichever
comesrst)
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,shutoffthepump,shutoffthe
engine,andremovethekey.
2.Extendtheboomstothespraypositionand
supporttheboomsusingstandsorstrapsfrom
alift.
3.Withtheweightoftheboomsupported,remove
theboltandnutsecuringthepivotpintothe
boomassembly(Figure107).
g022367
Figure107
1.Nylonbushings3.Bolt
2.Pivotpin
4.Removethepivotpin.
5.Removetheboomandpivotbracketassembly
fromthecenterframetoaccessthenylon
bushings.
6.Removeandinspectthenylonbushingsfrom
thefrontandbacksidesofthepivotbracket
(Figure107).
Note:Replaceanydamagedbushings.
7.Placeasmallamountofoilonthenylon
bushings,andinstallthemintopivotbracket.
8.Installtheboomandpivotbracketassemblyinto
thecenterframe,aligningtheopenings(Figure
107).
9.Installthepivotpinandsecureitwiththebolt
andnutremovedpreviously.
Repeatthisprocedureforeachboom.
Cleaning
CleaningtheFlowmeter
ServiceInterval:Every200hours/Yearly(whichever
comesrst)(moreoftenwhenusing
wettablepowders).
1.Thoroughlyrinseanddraintheentirespraying
system.
2.Removetheowmeterfromthesprayerand
ushitwithcleanwater.
3.Removetheretainerringontheupstreamside
(Figure108).
g214630
Figure108
1.Flange(ow-meterbody)
7.Upstreamhubandbearing
(withkeywayup)
2.Downstreamhub(with
keywayup)
8.Turbinestud
3.Retainingring9.Wire-harnessclamp
4.Downstreamarrow
(ow-meterbody)
10.Flange-headscrew
5.Upstream
11.Sensorassembly
6.Rotor/magnet
4.Cleantheturbineandtheturbinehubtoremove
metallingsandanywettablepowders.
5.Inspecttheturbinebladesforwear.
Note:Holdtheturbineinyourhandandspin
it.Itshouldspinfreelywithverylittledrag.Ifit
doesnot,replaceit.
6.Assembletheowmeter.
7.Usealowpressure(50kPaor5psi)airjetto
ensurethattheturbinespinsfreely.
Note:Iftheturbinedoesnotspinfreely,loosen
thehexstudonthebottomoftheturbinehubby
1/16ofaturnuntilitdoesspinsfreely.
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