Graco Inc. 288896 Benutzerhandbuch

1. Turn off air and fluid supply.

2. Hold a metal part of the gun firmly to 

a grounded metal pail. Trigger the gun 
to relieve pressure.

1. Rotate air cap to change spray pattern 

direction.

2. For maximum fluid flow and to prevent 

premature fluid nozzle wear, turn fluid 
adjustment knob (8-2) counterclockwise 
until no trigger restriction is felt. Then turn 
knob out 1/2 turn more.

3. If further fluid flow restriction is needed, 

use different size needle/nozzle/air cap 
combination.

If necessary, fluid adjustment knob (8-2) 
can be turned clockwise to reduce volume 
of fluid output. However, continuously 
spraying with fluid adjustment knob closed 
causes accelerated abrasive wear on fluid 
needle and trigger/air valve shaft interface.

4. Pressure Feed only: Adjust fluid pressure 

to achieve desired fluid flow rate.

5. Test spray pattern and atomization 

while holding gun about 6 to 8 inches 
(150 to 200 mm) from test piece. 

a. If pattern is too wide, turn pattern 

adjustment knob (5) clockwise to 
narrow pattern.

b. To create a round pattern, turn pattern 

adjustment knob (5) fully clockwise. 

c. If pattern is too narrow, turn knob (5) 

counterclockwise.

d. Check atomization. Increase gun 

air supply pressure in 5 psi (34 kPa, 
0.3 bar) increments until you have 
the desired atomization. 

For the best results:

•

Keep gun perpendicular to surface and 
consistent distance of about 6 to 8 inches 
(150 to 200 mm). Do not angle the gun as 
you spray. 

•

Use smooth, even strokes, with about 50% 
overlap.

•

HVLP Guns: Use a slightly slower hand 
movement and make fewer passes than 
you would with a conventional air spray 
gun. Take care to avoid runs or sags.

Do not exceed maximum working air pressure 
shown on front cover. Read warnings.

If fluid adjustment knob (8-2) is turned in 
all the way, the gun emits only air.