Graco 3A1698F Operation Manual page 28

Problem
Spray pattern has dripping:
Spray pattern is too narrow:
ti15523a
Spray pattern is too wide:
ti15527a ti15527a
Spray pattern "spits" at the
end or beginning:
ti15525a ti15525a
Tip continues to drip or ooze
material after trigger is
released:
ti15528a
ti15528a
28
Cause
Sprayer is moving too slow for material.
Sprayer is too close to target surface.
Holding trigger while changing spray
direction.
Incorrect tip for application of
material.
Pressure control is too high or Hi/Lo Switch
is in Hi range.
Tip is worn or damaged.
Sprayer is too close to target surface.
Incorrect tip for application of material.
ti15523a
Tip is worn or damaged.
Sprayer is too far away from target surface.
Incorrect tip for application of material.
Excess material has accumulated on Spray
Tip/Guard Assembly.
Tip filter is partially clogged or damaged.
Tip/Guard Assembly not threaded com-
pletely onto sprayer.
Seat is worn.
Sprayer is worn out.
Tip filter is partially clogged or damaged.
Tip/Guard Assembly not threaded com-
pletely onto sprayer.
Seat is worn.
Needle valve is damaged or worn out.
Solution
Move sprayer faster while spraying.
Move sprayer away from surface 10 in. (25
cm)
Release trigger when changing directions.
See Reversible Tip Selection Chart, page
13.
Turn down pressure control or shift Hi/Lo
Switch to Lo range.
Replace tip. See Install Tip/Guard Assembly,
page 14.
Move sprayer away from surface 10 in. (25
cm)
See Reversible Tip Selection Chart, page
13.
Replace tip. See Install Tip/Guard Assembly,
page 14.
Move sprayer closer to surface.
See Reversible Tip Selection Chart, page
13.
See Shutdown and Cleaning, page 16.
Clean or replace filter. See page 15.
See Install Tip/Guard Assembly, page 14.
Replace Spray tip.
Replace sprayer.
Clean or replace filter. See page 15.
See Install Tip/Guard Assembly, page 14.
Replace Spray tip.
Replace needle valve.
Troubleshooting
3A1698F