Air Cap, Nozzle, And Needle; Air Valve And Needle Packings - Graco Sharpe Finex FX1000 Instructions-Parts List Manual

Problem
Fluid leaking from a. Packing nut (4) loose.
packing nut (4).
b. Packing (3-1 or 3-2) worn
Fluid nozzle (2) a. Dry packing (3-1 or 3-2). a. Lubricate.
dripping.
b. Sluggish needle (10).
c. Packing nut (4) too tight.
d. Worn fluid nozzle or
Thin, coarse a. Gun held too far from
finish.
b. Atomization air pressure
Thick, dimpled Gun held too close to
finish (resembling
surface.
orange peel).
Service
Preparation
1. Flush and clean gun before servicing.
2. Follow Pressure Relief Procedure, see
page 4.

Air Cap, Nozzle, and Needle

1. Unscrew air cap (1).
2. Trigger gun while you remove the nozzle
(2) with gun tool (27).
Trigger gun and use gun tool (27) when-
ever you tighten or remove the nozzle (2)
to avoid damage.
3. Remove fluid adjustment knob (8-2) and
spring (9).
4. Pull needle (10) out of the back of the gun.
312372E
Cause
or dry.
needle.
surface.
set too high.
Solution
a. Tighten, but not so tight as to grip needle.
b. Lubricate or replace.
b. Clean and lubricate.
c. Loosen.
d. Replace.
a. Hold gun about 6-8 inches (150-200 mm)
from surface.
b. Reduce air pressure.
Hold gun about 6-8 inches (150-200 mm)
from surface.

Air Valve and Needle Packings

1. Remove retaining rings (15), pin (16), and
trigger (17).
2. Remove packing nut (4) and fluid needle
packings (3-1 and 3-2).
3. Remove fluid needle guide (7).
4. Remove fluid adjusting guide (8-1).
5. Remove spring (18) and air valve (19).
6. Remove air valve seat (20) and o-ring.
7. Replace parts as needed.
8. Assemble gun in reverse order. Lubricate
needle and o-rings. Be sure to trigger gun
when installing nozzle (2).
Service
7