Graco 3A0732J Adjust the Spray Pattern, Shutdown, No air Too little air Correct Amount Air

Operation

Adjust the Spray Pattern

NOTE: Use this procedure with air-assisted spray guns only.

1.See FIG. 4. Close off pattern adjustment air by turn- ing knob (AA) clockwise (in) all the way. This sets gun for its widest pattern.

AA

OUT (narrower	AA
pattern)

IN (wider pattern)

ti6559A

FIG. 4. Pattern Air Knob

2.See FIG. 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 FIG. 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.

no air	too little air	correct
		amount of
		air	TI0792A

FIG. 5. Spray Pattern Problems

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.

12 3A0732J