
Figure6
Operation
UsingtheControls
Foampaddleswitch—activatesthecompressor,generating
aowoffoamandairtotherightorleftboomsection
(Figure3).
Foamon/offswitch—activatesthecompressor,generating
aowoffoamtobothoftheboomsectionssimultaneously
(Figure4).
Indicatormarkings—locatedonthesideofthetank;they
indicatethesolutionlevelinthetank.
Foamregulatoradjustmentvalve—controlsthe
consistencyofthefoamsolution.Adjustingthevalvecontrols
theamountofsoapsolutiondeliveredtothefoamnozzles.
Increasingtheowresultsinlarger,morefrequentfoam
drops;decreasingtheowresultsinsmaller,lessfrequent
foamdrops(Figure7).
Note:Awaterymarkerconsistencymaybehelpfulonwindy
days.
Pressurereliefvalve—pulltheredtabonthetankcap
outwardtorelievepressureinthetank(Figure7).
FillingtheTankandAdjusting
theFoamDensity
Important:Flushthesystemwithcleanwaterafter
eachuse,especiallyafterusinghardwater.Donotapply
lubricatingoils,grease,orotherpetroleumproductsto
thecompressormotorassembly.
1.Ensurethatboththeleftandrightboomswitches
locatedontheconsoleareintheOffposition.
2.Pulloutontheredpressurerelieftab,andremovethe
blackcapfromthetank.
3.Pourtheproperamountwaterintothetank,andthen
addfoamconcentratethroughtheopeninginthetopof
thetankaccordingtothemanufacturer’sinstructions.
Important:ExtremepHlevels(hardnessor
softness)ofthewaterwillaffecttheamountof
foamconcentrateneeded.
4.Installthecaponthetankandtightenitbyhand.
5.Fortheinitialoperation,openthefoamdensity
adjustmentvalve1/8to1/4turn().
Figure7
1.Foamregulator
adjustmentvalve
2.Pressurereliefvalve
6.Startoperatingthemarkingsystemandmakeatest
patternontheground.
Note:Whenyourststartthemarkingsystem,allow
1to2minutesforthefoamtoowthroughtheline.
7.Adjustthefoamdensityadjustmentvalvetoobtainthe
desiredconsistencyandsprayasnormal.
Note:Ifyouleavethefoaminthelineformorethan
2hours,itmaybecomewatery.Beforeoperatingafter
abreakof2ormorehours,runthemachinefor1to2
minutestoremovetheexcesswater.
Ifthefoaminthemachineisverywatery,dothe
following:
A.Closethefoamdensityadjustmentvalve
completely.
B.Operatefor2minutes.
C.Wait1minuteandthenchecktheconsistencyof
thefoam.
D.Adjustthefoamtoachievethedesiredconsistency.
4