Operator's Manual

PumpMaintenance
InspectingthePump
ServiceInterval:Every400hours/Yearly(whichevercomes
rst)—Inspectthepumpdiaphragmand
replaceifnecessary.(seeanAuthorized
ToroServiceDistributor)
Every400hours/Yearly(whichevercomes
rst)—Inspectthepressuredampenerbladderand
replaceifnecessary.(seeanAuthorizedToroService
Distributor)
Every400hours/Yearly(whichevercomes
rst)—Inspectthepumpcheckvalvesandreplace
ifnecessary.(seeanAuthorizedToroService
Distributor)
Note:Thefollowingmachinecomponentsareconsidered
partssubjecttoconsumptionthroughuseunlessfound
defectiveandarenotcoveredbytheWarrantyassociatedwith
thismachine.
HaveanAuthorizedToroServiceDistributorcheckfollowing
internalpumpcomponentsfordamage:
•Pumpdiaphragm
•Pressuredampenerbladder
•Pumpcheckvalvesassemblies
Replaceanycomponentsifnecessary.
AdjustingtheAirPressureinDampener
Theairpressureinthedampeneronthepumpissetat15psi
(1bar)bythemanufacturer.Therecommendedpressurein
thedampeneris1/3ofthesprayingpressure.Ifusingaspray
pressuregreaterthan45psi(3.1bar)adjustthedampener
accordingly.
G010597
Figure67
ChangingthePumpDriveGearbox
Fluid
ServiceInterval:Every400hours/Yearly(whichevercomes
rst)
1.Positionthesprayeronalevelsurface,settheparking
brake,stopthepump,stoptheengine,andremovethe
ignitionkey.
2.Placeapanunderthedrainplugonthepumpdrive
gearbox(Figure68).
G013853
1
2
3
Figure68
1.Fill-levelplug3.Drainplug
2.Filltube
3.Removethell-levelpluganddrainplug(Figure68),
allowingtheoiltodrainintothepan.
4.Installandtightenthedrainplugwhentheuidstops
draining.
5.Locategearboxvent/llhoseextendingupfromthe
gearbox.Removethecapfromthehose.
6.Addapproximately18-20ouncesofMobilSHC634
SyntheticLubricanttothelltubeoruntilthegear
lubricantbeginstoowoutofthell-levelport.
Important:UseonlyMobilSHC634Synthetic
Lubricantorequivalentsyntheticuidinthegear
box.Non-syntheticoilsmaybreakdowncausing
damagetothepumpgearbox.
7.Installthell-levelplugandvent/llhosecap.
AdjustingtheBoomActuator
ServiceInterval:Every400hours—Checkboomactuator
hydraulicoilforairbubbles.
1.Positionthesprayeronalevelsurface,lowerthebooms
intothesprayposition.
2.Settheparkingbrake,stopthepump,stoptheengine,
andremovetheignitionkey
3.Attempttolifttheboombyapplyingamoderate
amountofpressure(justenoughtolifttheboom
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