Graco 3A0732J Paint Sprayer User Manual


 
Operation
12 3A0732J
Adjust the Spray Pattern
NOTE: Use this procedure with air-assisted spray guns
only.
1. See F
IG
. 4. Close off pattern adjustment air by turn-
ing knob (AA) clockwise (in) all the way. This sets
gun for its widest pattern.
2. See F
IG
. 5. Set atomizing air pressure at about 5 psi
(0.35 bar, 35 kPa) when triggered. Check spray pat-
tern, then slowly increase air pressure until tails are
completely atomized and pulled into spray pattern.
Do not exceed 100 psi (0.7 MPa, 7 bar) air pressure
to gun.
3. See F
IG
. 4. For narrower pattern, turn pattern
adjustment valve knob (AA) counterclockwise (out).
If pattern is still not narrow enough, increase air
pressure to gun slightly or use different size tip.
Shutdown
Follow Pressure Relief Procedure, page 10.
Always flush the pump before the fluid dries on the dis-
placement rod. See Flush the Pump on page 13.
F
IG
. 4. Pattern Air Knob
ti6559A
OUT (narrower
pattern)
IN (wider
pattern)
AA
AA
F
IG
. 5. Spray Pattern Problems
no air
too little air
correct
amount of
air
TI0792A