Troubleshooting
22
3A6393D
Poor finish or irregular spray pattern
Inadequate atomizing air pressure
Adjust air needle valve on applicator
(see your applicator manual)
Dirty, worn, or damaged spray
applicator
Service spray applicator (see your
applicator manual)
Motor powered but nothing comes
out of hose
Pump is packed out with dry or cured
material
Disassemble and Clean the pump
Hose is packed out with dry or
Reverse hose and try to push out bad
material cured material
Reverse hose and try to push out bad
material
Some materials may need only 1 in.
inner diameter fluid line all the way to
the applicator
Outlet check valve installed
backwards
Install the outlet check valve in the
proper orientation
Material is too thick to push through
the hose without packing out
Hose is too restrictive
Thin and mix material thoroughly to a
lower viscosity
Use a pump system priming fluid
(slime). Wet out the system.
Use a larger diameter hose
Problem
Cause
Solution
