Graco Project Series User Manual

Troubleshooting
3A4702E 31
Spray Pattern Diagnostics
Problem Cause Solution
Spray pattern is pulsating: Operator is moving too
fast while spraying
Slow speed of movement.
Spray Tip is clogged See Clear Tip Clogs, page 19.
Material is difficult to
atomize
On models with Speed Control,
increase speed until desired
pattern is achieved. See
Spraying, page 16.
Sprayer is too far from
target surface
Hold sprayer farther away from
surface. See Spraying, page
16.
Incorrect Spray Tip for
application of material
Install a different size Spray Tip.
See Reversible Spray Tips,
page 18.
Spray pattern has tails: Speed Control is set too
low
On models with Speed Control,
increase speed until desired
pattern is achieved. See
Spraying, page 16.
Incorrect Spray Tip for
application of material
Install a different size Spray Tip.
See Reversible Spray Tips,
page 18.
Material may need to be
thinned
Thin material following paint
manufacturer's
recommendations.
Material not compatible
with sprayer
Change to different material.
Spray Tip is worn or
damaged
Replace Spray Tip.
Spray pattern has
dripping/sagging:
Operator is moving too
slowly while spraying
Move sprayer faster when
spraying.
Sprayer is too close to
target surface
Move sprayer away from
surface. See Spraying, page
16.
Holding Trigger while
changing spray direction
Release Trigger when changing
directions. See Spraying, page
16.
Speed Control is set too
high
On models with Speed Control,
decrease speed until desired
pattern is achieved. See
Spraying, page 16.
Spray Tip is worn or
damaged
Replace Spray Tip.
ti15524a
ti15526a

Graco Project Series Specifications

General

Brand	Graco
Model	Project Series
Category	Paint Sprayer
Language	English