Graco 3A4803A, Operation, Parts

Page: 39 / 44

Troubleshooting
3A4803A 39
Spray pattern is too wide: Sprayer is too far away
from target surface.
Move sprayer closer to surface.
Incorrect spray tip for
application of material.
Install different size spray tip.
See Spray Tip Installation ,
page 24.
Spray pattern “spits” at the
beginning or end of pattern:
Excess material has
accumulated on spray tip
guard assembly or spray
tip is partially clogged.
Clean spray tip guard. See
Clear Tip Clog , page 17.
Spray tip not inserted
completely into spray tip
guard.
See Spray Tip Installation ,
page 24.
Spray tip is worn. Replace spray tip. See Spray
Tip Installation , page 24.
Sprayer is dirty Flush sprayer.
Front valve has reached
the end of its life.
Replace front valve assembly.
Spray tip continues to drip or ooze
material after trigger is released:
Spray tip is worn. Replace spray tip. See Spray
Tip Installation , page 24.
Spray tip not inserted
completely into spray tip
guard.
See Spray Tip Installation ,
page 24.
Material leaks around spray tip
guard or spray tip handle
Spray tip seal and seat are
damaged or not properly
installed.
See Spray Tip Installation ,
page 24.
Problem Cause Solution
ti30016a