TROUBLESHOOTING

TROUBLESHOOTING

Bad Patterns - Heavy at bottom or top.

Rotate air nozzle (71-02) 180 degrees. If the distortion follows the

air nozzle, then the problem is in the air nozzle.

To correct - Soak nozzle and air blow clean. Do not probe air

nozzle with anything harder than a wooden tooth pick.

If this

does not correct, replace with new air nozzle because chances are

that you have an out of round jet which is causing the problem.

If upon rotation of 180 degrees the distortion does not follow the

nozzle , then the problem is in the fluid tip (71-04-70).

To correct - Inspect tip - if it is cracked or dented, replace

because it will alwavs produce the same distortion. However, if it

is a case of dried paint on the inside or outside, a good cleaning

with a brush and solvent will remove, and the fluid tip will no

longer produce the distortion.

Bad Pattern - Split. fan (Hour glass effect)

Caused by excessive air pressure for the material to be sprayed.

To correct - Reduce pressure or narrow fan with 71-55X spray width

adjuster.

Splitting - Basically caused by air getting in the fluid stream.

To correct - Fluid tip (71-04-70) must be tight. Fluid needle

packing 71-11A must be tight.

If adequate tightening hinders travel

of fluid needle 71-03N, then replace packing 71-11A because it has

been allowed to become too dry.

Be sure that the fittings on the fluid are tight to the spray gun

as well as to the pressure vessel.