Instructions / Assembly
- 52 -
Problem
Cause
Solution
Pump cycles but does
not build up pressure.
Pump is not primed.
Prime the pump.
Inlet screen is clogged
Clean the debris off the inlet screen and make
sure the suction tube is immersed in fluid.
Suction tube is not
immersed in paint.
Make sure the suction tube is immersed in the
paint.
Suction tube is leaking.
Tighten the suction tube connection. Inspect
the tube for cracks or vacuum leaks. If cracked
or damaged, replace the suction tube.
Spray/Prime Valve is worn
or obstructed with debris.
Have the sprayer serviced by a qualified repair
person.
Inlet valve check ball is
stuck.
Remove the suction tube and place a pencil
into the inlet section to dislodge the ball,
allowing the pump to prime properly.
Inlet valve check ball or
seat is dirty.
Remove inlet fitting. Clean or replace the ball
and seat.
Outlet check ball or seat is
dirty.
Remove the outlet fitting. Clean or replace the
ball and seat.
Pump cycles but paint
only dribbles or spurts
when the spray gun is
triggered.
Pressure set too low.
Slowly turn the Pressure Control Knob
clockwise to increase pressure setting.
Nozzle Spray Tip is
clogged.
Unclog the Nozzle Spray Tip.
Spray gun filter is clogged.
Clean or replace the filter in the spray gun.