Toro 41179 - Pump Maintenance

PumpMaintenance
InspectingthePump
ServiceInterval:Every400hours/Yearly(whichever
comesrst)—Inspectthepump
diaphragmandreplaceifnecessary.
(seeanAuthorizedToroService
Distributor)
Every400hours/Yearly(whichever
comesrst)—Inspectthepressure
dampenerbladderandreplaceif
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
Figure68
ChangingthePumpDriveGearbox
Fluid
ServiceInterval:Every400hours/Yearly(whichever
comesrst)
1.Positionthesprayeronalevelsurface,settheparking
brake,stopthepump,stoptheengine,andremove
theignitionkey.
2.Placeapanunderthedrainplugonthepumpdrive
gearbox(Figure69).
Figure69
1.Pumpdrivegearbox3.Drainplug
2.Filltube
3.Removethellpluganddrainplug(Figure69),
allowingtheoiltodrainintothepan.
54