Graco Magnum X5 Repair And Parts Manual page 16

Basic Troubleshooting
Problem
Pressure is set at maximum but
cannot achieve a good spray pattern.
Spray gun stopped spraying. Pump is
not cycling.
When paint is sprayed, it runs down
the wall or sags.
When paint is sprayed, coverage is
inadequate.
16
Cause
Spray tip is clogged.
Reversible spray tip is in UNCLOG
position.
Spray tip is too large for sprayer.
Spray tip is worn beyond capability of
sprayer.
Extension cord is too long or not
heavy enough gauge.
Spray gun fluid filter is clogged.
InstaClean fluid filter is clogged.
(ProX7 and ProX9 Only)
Inlet screen is clogged.
Pump valves are worn.
Material is too thick.
Hose is too long (if extra section is
added).
Spray tip is clogged.
Coat is going on too thick.
Coat is going on too thin.
Solution
Unclog spray tip, see Operation
manual 312001.
Rotate arrow-shaped handle on
spray tip so it points forward on gun.
Select smaller spray tip.
Replace spray tip.
Replace extension cord. See
Grounding and Electrical
Requirements, page 10.
Clean or replace spray gun fluid filter,
see Operation manual 312001.
Clean or replace InstaClean fluid
filter, see Operation manual 312001.
Clean debris off inlet screen.
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.
Thin material.
Remove extra section of hose.
Unclog spray tip, see Operation man-
ual 312001.
Move gun faster.
Choose a tip with smaller hole size.
Choose tip with wider fan.
Make sure gun is far enough from
surface.
Move gun slower.
Choose tip with larger hole size.
Choose tip with narrower fan.
Make sure gun is close enough to
surface.
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