Toro Multi Pro 1750 - Positioning the Agitation-Bypass-Valve Knob; Calibrating the Agitation-Bypass Valve

Figure107
1.Boom-section-bypassadjustmentknobs
12.Turnontheleftboomandturnofftherightboom.
13.Adjusttherightboom-bypassknob(Figure107)until
thepressurereadingisatthepreviouslyadjustedlevel
(typically2.75baror40psi).
14.Turnontherightboomandturnoffthecenterboom.
15.Adjustthecenterboom-bypassknob(Figure107)until
thepressurereadingisatthepreviouslyadjustedlevel
(typically2.75baror40psi).
16.Turnalltheboomsoff.
17.Turnthepumpoff.
Note:Calibrationisnowcomplete.
Positioningthe
Agitation-Bypass-ValveKnob
•TheagitationbypassvalveisinthefullOPENpositionas
showninFigure108.
•TheagitationbypassvalveisintheCLOSE(0)positionas
showninFigure108.
•TheagitationbypassvalveisinanINTERMEDIATE
(adjustedrelativetothepressuregaugeforthesprayer
system)positionasshowninFigure108.
Figure108
1.Open
3.Intermediateposition
2.Closed(0)
Calibratingthe
Agitation-BypassValve
ServiceInterval:Yearly
Selectanopenatareatoperformthisprocedure.
1.Fillthespraytankwithcleanwater.
2.Verifytheagitation-controlvalveisopen.Ifithasbeen
adjusted,openitcompletelyatthistime.
3.Settheparkingbrakeandstarttheengine.
4.SettherangeselectortoNEUTRAL.
5.SetthepumpswitchtotheONposition.
6.Presstheacceleratorpedaltoachievemaximumengine
speedandsetthethrottlelock.
7.Setthe3boom-sectionvalvestotheOFFposition.
8.Setthemaster-boomswitchtotheONposition.
9.SetthesystempressuretoMAXIMUM.
10.PresstheagitationswitchtotheOFFpositionandread
thepressuregauge.
•Ifthereadingremainsat6.9bar(100psi)the
agitation-bypassvalveisproperlycalibrated.
•Ifthepressuregaugereadsdifferentlycontinueto
thenextstep.
11.Adjusttheagitation-bypassvalve(Figure109)on
thebacksideoftheagitationvalveuntilthepressure
readingonthegaugeis6.9bar(100psi).
Figure109
1.Agitation-bypassvalve2.Master-boombypass
12.PressthepumpswitchtotheOFFposition,shiftthe
throttlelevertotheIDLEposition,andturntheignition
switchtotheOFFposition.
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