
Page 14 of 14
USE AND MAINTENANCE MANUAL
®
4.3 TROUBLESHOOTING
The chapter describes how to solve the most common problems which could affect the unit.
The problem is indicated by the following symbol: (
6
)
The possible cause is indicated by the following symbol: (
A
)
The possible solution is indicated by the following symbol: (
l
)
6
IRREGULAR FAN CLOSING?
A
Clogged cap air holes.
A
Damaged joint gasket.
l
Clean the air holes.
l
Replace the gasket.
6
UNEVEN JET?
A
Worn or dirty cap air holes.
A
Worn or dirty nozzle.
l
Clean the gun components carefully.
l
Replace damaged parts.
6
PAINT LEAKS OUT OF THE STUFFING BOX?
A
Worn stuffing box gasket.
A
Loose stuffing box nut.
l
Replace stuffing box.
l
Replace stuffing box nut.
6
PAINT LEAKS OUT OF NOZZLE WITHOUT PULLING THE LEVER?
A
Ball and ball seat dirty of dry paint.
A
Worn ball and ball seat.
A
Loose nozzle tip.
A
Dirty nozzle tip cone.
l
Clean the gun parts very carefully.
l
Replace both the ball and seat.
l
Tighten tip.
l
Clean cone and tighten tip.
6
AIR COMES OUT WHEN THE LEVER IS RELEASED?
A
The air valve rod does not slide.
A
Dirt inside the air valve body.
A
Air stuffing box nut too tight.
l
Lightly lubricate gun components.
l
Clean with care.
l
Loosen stuffing box nut.