Troubleshooting

Spray Pattern Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Fluttering spray.

Insufficient fluid supply.

Adjust fluid regulator or fill fluid sup-

 

 

ply tank.

 

Air in paint supply line.

Check, tighten siphon hose connec-

 

 

tions, bleed air from paint line.

 

 

 

Spitting spray.

Worn seat (10, 41) or needle (12)

Inspect seat and needle for wear.

 

ball.

Replace if necessary. The gasket

 

 

(11) must be replaced whenever you

 

 

remove the seat from the gun.

 

Dirty spray tip (9).

Clean.

 

 

 

Swollen piston o-ring (22).

Replace o-ring. Do not immerse pis-

 

ton in solvent.

 

 

 

Irregular pattern.

Fluid build-up or spray tip partially

Clean spray tip; see Daily Gun Care,

 

plugged.

page 12.

 

 

 

Air cap loosening. (Sealant gun only)

Air cap (18) not properly tightened.

Tighten. See Reassembly, page 19,

 

Gasket (38) worn.

step 13.

 

 

 

 

Replace gasket.

 

 

 

16

311053C