Troubleshooting
30
313034G
Pressure is set at maximum but can-
not achieve a good spray pattern.
Reversible spray tip is in UNCLOG
position.
Rotate arrow-shaped handle on
spray tip so it points forward in
SPRAY position, page 14.
Spray tip is too large for sprayer.
Select smaller spray tip.
Spray tip is worn beyond capability of
sprayer.
Replace spray tip.
Extension cord is too long or not
heavy enough gauge.
Replace extension cord. Grounding
and Electrical Requirements, page 7.
Spray gun fluid filter is clogged.
Clean or replace spray gun fluid filter,
page 22.
InstaClean fluid filter is clogged.
Clean or replace InstaClean fluid fil-
ter, page 22.
Inlet screen is clogged.
Clean debris off inlet screen.
Pump valves are worn or plugged
with debris.
Check for worn pump valves.
a.
Prime sprayer with paint
b.
Trigger gun momentarily.
When trigger is released,
pump should cycle momen-
tarily and stop. If pump con-
tinues to cycle, pump valves
may be worn.
c.
Remove valves and check for
debris.
Material is too thick.
Thin material.
Hose is too long (if extra section is
added).
Remove section of hose.
Spray gun stopped spraying.
Suction tube is leaking.
Tighten suction tube connection.
Inspect for cracks or vacuum leaks.
Spray tip is clogged.
Unclog spray tip, page 14.
When paint is sprayed, it runs down
the wall or sags.
Coat is going on too thick.
Move gun faster.
Choose a tip with smaller hole size.
Choose tip with wider fan.
Make sure gun is far enough from
surface.
When paint is sprayed, coverage is
inadequate.
Coat is going on too thin.
Move gun slower.
Choose tip with larger hole size.
Choose tip with narrower fan.
Make sure gun is close enough to
surface.
Fan pattern varies dramatically while
spraying.
OR
Sprayer does not turn on promptly
when resuming spraying.
Pressure control switch is worn and
causing excessive pressure variation.
Take sprayer to Graco/M
AGNUM
authorized service center.
Problem
Cause
Solution
Summary of Contents for 24N808
Page 41: ...Notes 313036H 7 Notes ...
