Graco Project Series Owner's Manual page 30

Cordless handheld airless sprayers
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Troubleshooting
Spray Pattern Diagnostics
Problem
Spray pattern is pulsating:
Spray pattern has tails:
Spray pattern has
dripping/sagging:
30
Operator is moving too
fast while spraying
Spray Tip is clogged
Material is difficult to
atomize
ti15524a
Sprayer is too far from
target surface
Incorrect Spray Tip for
application of material
Speed Control is set too
low
Incorrect Spray Tip for
application of material
ti15526a
Material may need to be
thinned
Material not compatible
with sprayer
Spray Tip is worn or
damaged
Operator is moving too
slowly while spraying
Sprayer is too close to
target surface
Holding Trigger while
changing spray direction
Speed Control is set too
high
Spray Tip is worn or
damaged
Cause
Slow speed of movement.
See Clear Tip Clogs, page 18.
On models with Speed Control,
increase speed until desired
pattern is achieved. See
Spraying, page 15.
Hold sprayer farther away from
surface. See Spraying, page
15.
Install a different size Spray Tip.
See Reversible Spray Tips,
page 17.
On models with Speed Control,
increase speed until desired
pattern is achieved. See
Spraying, page 15.
Install a different size Spray Tip.
See Reversible Spray Tips,
page 17.
Thin material following paint
manufacturer's
recommendations.
Change to different material.
Replace Spray Tip.
Move sprayer faster when
spraying.
Move sprayer away from
surface. See Spraying, page
15.
Release Trigger when changing
directions. See Spraying, page
15.
On models with Speed Control,
decrease speed until desired
pattern is achieved. See
Spraying, page 15.
Replace Spray Tip.
Solution
3A4749D

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