GroundSpeedFormula
Formula
Courselength
m(ft)x60seconds
Coursetime(seconds)x
16.7m/minute(88ft/minute)
=
Groundspeed
kph(mph)
Example45.7m(150ft)x60seconds
19.7secondsx16.6m/minute
(88ft/minute)
=
8.4kph
(5.2mph)
UnderstandingtheEffectiveSprayPattern
Width
Note:Sprayerpressureregulator:2.8bar(40psi).
•Thenarrow-spraypattern(Figure38)onthe
machineis122cm(48inches)wide.
g027414
Figure38
Topviewofthenarrow-pattern-spraynozzle
1.Spraywidth=122cm(48
inches)
4.Spraydistance=36cm
(14inches)
2.Nozzle
5.Frontofthemachine
3.Sprayangle=120°
•Thewide-spraypattern(Figure39)onthismachine
is274cm(108inches)wide.
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Figure39
Topviewofthewide-pattern-spraynozzles
1.Spraywidth=274cm(108
inches)
4.Spraydistance=61cm
(24inches)
2.Nozzle5.Distancebetweenspray
nozzles=66cm(26
inches)
3.Sprayangle=120°6.Frontofthemachine
TestingtheSprayerNozzleDischarge
Operatorsuppliedequipment:Stopwatchcapable
ofmeasuring±1/10secondandacontainergraduated
in50ml(1oz)increments.
Note:Ensurethatthespraysystemiscleanand
thereis1/2tankofcleanwater.
1.Engagetheparkingbrakeandstarttheengine.
2.Setthepump/tankagitationswitchtotheON
position.
3.Pulltheagitationleverrearwardtostartthetank
agitation.
4.PlacethethrottletotheFASTposition.
5.PushtheagitationcontrolleverdowntotheOFF
position.
Note:Shutofftheagitationtoensureproper
spraypressureanddistribution.
6.Usethespray-pressurecontroltoadjustthe
sprayer-systempressureto40psi(2.8bar).
Note:Theredandwhitenozzlesinstalledon
thissprayerhaveanormaloperatingpressure
of40psi(2.8bar).
7.Alignthegraduatedcontainerundereachnozzle
for19.7seconds.
36