WAGNER ProSpray 27 Operating Manual page 39

Type of malfunction
Coating material exits
at the top of the paint
section
Increased pulsation at
the spray gun
Poor spray pattern
Unit loses power
ProSpray 27 • 31
Possible cause
Upper packing is worn.
Piston is worn.
Incorrect high-pressure hose
type.
Tip worn or too large.
Pressure too high.
Tip is too large for the coating
material which is to be sprayed.
Pressure setting incorrect.
Volume too low.
Coating material viscosity
too high.
Pressure setting too low.
g
Measures for eliminating the malfunction
Remove and replace packing.
Remove and replace piston.
Only use WAGNER original-high-pressure hoses
in order to ensure functionality, safety and durability.
Replace tip.
Turn pressure regulator knob to a lower number.
Replace tip, see Tip table on Page 47.
Turn pressure regulator knob until a satisfactory
spraying pattern is achieved.
Clean or replace all filters.
Thin out according to the manufacturer's instructions.
Turn pressure regulator knob to a higher number.
Remedy in case of faults
37