21
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.
Nozzle Spray Tip is too large or
worn.
Replace the Nozzle Spray Tip.
Pressure is set at maximum but
cannot achieve a good spray
pattern.
Nozzle Spray Tip is in the Unclog
position.
Relieve pressure and rotate the Nozzle
Spray Tip so the arrow is pointing away
from the handle.
Nozzle Spray Tip is too large for
the paint being sprayed.
Select a smaller Nozzle Spray Tip.
Nozzle Spray Tip is worn.
Replace the Nozzle Spray Tip.
Extension cord is too long or not
heavy enough gauge.
Replace the extension cord with a 12 AW G
cord.
Spray gun fluid filter is clogged.
Clean or replace the spray gun fluid filter.
Inlet screen is clogged.
Clean debris from inlet screen.
Pump valves are worn, or debris
is clogging the valves.
To check for worn pump valves: Prime the
sprayer with paint. Trigger the gun
momentarily. W hen the trigger is released,
the pump should cycle momentarily and
stop. If it continues to cycle, then the pump
valve may be worn.
Paint material is too thick.
Thin the paint material.
High pressure hose is too long.
If another hose section has been added,
remove the hose extension.
19802
V0.1
Содержание 19802
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