Spray Technique - Allpro 400E Operations Manual & Parts List

SPRAY TECHNIQUE

TOTAL SPRAYGUN MOVEMENT - arm movement - full sweep
TRIGGER
POINT
It is important to "trigger" the gun after gun movement
(arm movement) has started and release trigger (shut
gun off) before gun movement ends. Gun movement is
always longer than actual paint (spray) stroke. In that
manner, even blending and uniform paint coat thickness
is achieved over the entire surface. When the gun is in
motion as the trigger is pulled, it deposits an even
amount of paint.
Overlap the previous pass by half the width of the spray
pattern. Aim at the bottom of the previous pass.
TAILING
Adjust pressure control knob so that paint is completely
atomized from the spray gun. Insufficient pressure will
result in "tailing".
POOR PATTERN
Always use the lowest pressure possible to obtain
desirable results.
Test the spray pattern on a piece of cardboard or other
surface.
10
GOOD PATTERN
GOOD PATTERN
TRIGGER POINT
Spray with uniform strokes from left to right and from
right to left, holding stroke speed, distance, lapping,
and triggering as uniform as possible.
FOR EVEN PAINT COAT, OVERLAP
HALF THE WIDTH OF EACH PAINT
STROKE.
Too much pressure will result in excess fog and
overspray, excessive tip wear, and increased sprayer
wear and tear.
INSIDE CORNER
"Inside" and "outside" corners can be sprayed.
Aim the spray gun toward the center of the corner. The
spray pattern is divided in half, and the edges of the
spray pattern on both walls are the same.
FOG, OVERSPRAY
OUTSIDE CORNER