Troubleshooting - Graco Sharpe Finex FX1000 Instructions-Parts List Manual

Troubleshooting

Troubleshooting
Problem
One side of air cap (1) dirty
or clogged.
a. Loose air cap (1).
b. Dried or damaged air cap
a. Atomization air pressure
b. Spraying a thin material
Air getting into paint stream.
a. Cup almost empty.
b. Dry needle packing (3-1
Spitting
c. Fluid nozzle (2) too loose. c. Tighten.
d. Dried material between
e. Damaged needle seal.
Other spray a. Gun not properly
pattern problems.
b. Sluggish needle (10).
Unable to get Pattern adjustment knob (5)
round pattern.
not seating properly.
Will not spray. a. No air pressure at gun.
b. Cup empty.
c. Fluid adjustment knob
d. Fluid too thick for gravity
6
Cause
(1) or fluid nozzle (2).
set too high.
in too wide of a pattern.
or 3-2).
nozzle (2) and gun body.
adjusted.
(8-2) turned too far
clockwise.
feed.
Solution
Clean air cap orifices. See page 5. Blow air
through orifices until clean. If air cap holes are
damaged, replace air cap.
a. Tighten.
b. Rotate air cap 180°.
If pattern follows air cap, problem is in air
cap. Clean and inspect. See page 5. If
pattern is not corrected, replace air cap.
If pattern does not follow the air cap, the
problem is with the fluid nozzle. Clean and
inspect the nozzle. See page 5. If the pat-
tern is not corrected, replace nozzle.
a. Reduce air pressure.
b. Increase material control by turning fluid
adjustment knob (8-2) counterclockwise,
while reducing spray width by turning pat-
tern adjustment knob (5) clockwise.
Or increase material viscosity.
a. Fill cup.
b. Loosen packing nut and put a few drops of
machine oil on packings (3-1 and 3-2).
Retighten nut (4).
d. Clean nozzle and front of gun. See page
5.
e. Replace seal. See page 7.
a. See page 4.
b. Clean and lubricate.
Clean or replace knob.
a. Check air supply and air lines.
b. Fill cup.
c. Adjust knob (8-2) counterclockwise.
d. Thin material.
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