Toro 41198 Multi-Pro 1250 - Adjusting the Boom Actuator

necessary.(seeanAuthorizedToro
ServiceDistributor)
Every400hours/Yearly(whichever
comesrst)—Inspectthepump
checkvalvesandreplaceifnecessary.
(seeanAuthorizedToroService
Distributor)
Note:Thefollowingmachinecomponentsare
consideredpartssubjecttoconsumptionthroughuse
unlessfounddefectiveandarenotcoveredbythe
Warrantyassociatedwiththismachine.
HaveanAuthorizedToroServiceDistributorcheck
followinginternalpumpcomponentsfordamage:
•Pumpdiaphragm
•Pressuredampenerbladder
•Pumpcheckvalvesassemblies
Replaceanycomponentsifnecessary.
AdjustingtheAirPressureinDampener
Theairpressureinthedampeneronthepumpissetat
15psi(1bar)bythemanufacturer.Therecommended
pressureinthedampeneris1/3ofthesprayingpressure.
Ifusingaspraypressuregreaterthan45psi(3.1bar)
adjustthedampeneraccordingly.
G010597
Figure69
ChangingthePumpDriveGearbox
Fluid
ServiceInterval:Every400hours/Yearly(whichever
comesrst)
1.Positionthesprayeronalevelsurface,settheparking
brake,stopthepump,stoptheengine,andremove
theignitionkey.
2.Placeapanunderthedrainplugonthepumpdrive
gearbox(Figure70).
Figure70
1.Pumpdrivegearbox3.Drainplug
2.Filltube
3.Removethellpluganddrainplug(Figure70),
allowingtheoiltodrainintothepan.
4.Installandtightenthedrainplugwhentheuid
stopsdraining.
5.Addapproximately1quart(1L)ofMobilSHC634
SyntheticLubricanttothelltube.
Important:UseonlyMobilSHC634Synthetic
Lubricantorequivalentsyntheticuidinthe
gearbox.Non-syntheticoilsmaybreakdown
causingdamagetothepumpgearbox.
6.Installthellplug.
AdjustingtheBoomActuator
ServiceInterval:Every400hours—Checkboom
actuatorhydraulicoilforairbubbles.
1.Positionthesprayeronalevelsurface,lowerthe
boomsintothesprayposition.
2.Settheparkingbrake,stopthepump,stopthe
engine,andremovetheignitionkey
3.Attempttolifttheboombyapplyingamoderate
amountofpressure(justenoughtolifttheboom
manually)whileobservingtheactuatorrod.Ifthe
actuatorrodexhibitsmovementrefertobelow .
4.Repeattheprocedurefortheopposingboom.
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