Spraying
9.OpengunuidinletvalvesAandB.
Fusion Fusion
Fusion
Probler Probler
Probler
NOTICE NOTICE
NOTICE
Topreventmaterialcrossoveron
impingementguns,never never
never
openuid
manifoldvalvesortriggergunifpressures
areimbalanced.
10.Disengagegunpistonsafetylock.
Fusion Fusion
Fusion
Probler Probler
Probler
11.Pullguntriggertotestsprayonto
cardboard.Ifnecessary,adjustpressureand
temperaturetogetdesiredresults.
Spray Spray
Spray
Adjustments Adjustments
Adjustments
Flowrate,atomization,andamountofoverspray
areaffectedbyfourvariables.
•Fluid Fluid
Fluid
pressure pressure
pressure
setting. setting.
setting.
Toolittlepressure
resultsinanunevenpattern,coarsedroplet
size,lowow,andpoormixing.Toomuch
pressureresultsinexcessiveoverspray,high
owrates,difcultcontrol,andexcessive
wear.
•Fluid Fluid
Fluid
temperature. temperature.
temperature.
Similareffectstouid
pressuresetting.TheAandBtemperatures
canbeoffsettohelpbalancetheuid
pressure.
•Mix Mix
Mix
chamber chamber
chamber
size. size.
size.
Choiceofmixchamberis
basedondesiredowrateanduidviscosity.
•Clean-off Clean-off
Clean-off
air air
air
adjustment. adjustment.
adjustment.
Toolittleclean-off
airresultsindropletsbuildinguponthefront
ofthenozzle,andnopatterncontainment
tocontroloverspray.Toomuchclean-off
airresultsinair-assistedatomizationand
excessiveoverspray.
333023U 51