Airless DP6825, Operating Instructions Manual

Page: 20 / 22

DP-airless Page 20 of 22
Problem Cause Solution
Unit will not prime or has lost
prime Re prime Unit
No paint. Suction tube not
totally immersed in paint Immerse suction tube in paint
Suction set filter clogged. Clean filter.
Hopper screen clogged Clean screen.
Suction tube loose at inlet valve Clean connection and tighten
Inlet valve stuck Clean inlet valve
Outlet valve stuck. Clean outlet valve
Replace any worn parts.
Sprayer starts up but does
not draw in paint.
Inlet valve worn or damaged. Clean or replace
Pump is not primed. Prime pump.
Inlet screen is clogged . Clean debris off inlet screen and
make sure suction tube is immersed
in fluid.
Suction tube is not immersed in
paint. Make sure suction tube is immersed
in paint.
Suction tube is leaking. Tighten suction tube connection.
Inspect for cracks or vacuum leaks. If
cracked or damaged, replace suction
tube.
Prime/Spray Valve is worn or
obstructed with debris. Clean the valve or replace a new one.
Pump cycles but does not
build up pressure.
Pump check ball is stuck. Remove outlet fitting and clean outlet
check ball.
Pressure is set too low. Slowly turn Pressure Control Knob
clockwise to increase pressure
setting which will turn motor on to
build pressure.
Spray tip is clogged. Unclog spray tip
Fluid filter is clogged. Clean or replace fluid filter
Spray gun fluid filter is clogged. Clean or replace gun fluid filter,
Pump cycles, but paint only
dribbles or spurts when
spray gun is triggered.
Spray tip is too large or worn. Replace tip.