Graco WB3000 Instructions - Parts Manual page 29

3. Check gun resistance. See
Test Gun Resistance, page
4. Follow all steps under
5. Follow all steps under
Check Gun Electrical Grounding, page
Reading must be less than 100 ohms.
6. Connect the exhaust tube and secure with the
clamp provided.
7. Flush if needed. See
To reduce the risk of a skin in-
jection injury, always follow the
Pressure Relief Procedure, page
before removing or installing the spray tip, air
cap, or tip guard.
8. The fluid output and pattern width depend
on the size of the spray tip, the fluid
viscosity, and the fluid pressure. Use the
Spray Tip Selection Chart, page
for selecting the appropriate spray tip for your
application.
9. Align the spray tip tab with the groove in the air
cap. Install the tip.
10. Install the air cap and retaining ring. Orientate
the air cap and tighten the retaining ring securely.
3A2497C
36.
Grounding, page 21.
23.
Flushing, page 31.
26,
71, as a guide
11. Close the atomizing air adjustment valve (G) and
the fan air adjustment valve (F).
12. Check that the ES On-Off switch is OFF (O).
13. Start the pump. Set the fluid regulator to 400 psi
(2.8 MPa, 28 bar).
14. Spray a test pattern. Examine the particle size in
the center of the pattern (tails will be removed
in step 18). Increase the pressure in small
increments. Spray another pattern. Compare
particle size. Continue increasing pressure until
the particle size remains constant. Do not exceed
3000 psi (21 MPa, 210 bar).
15. Turn ON (I) the ES On-Off switch.
Operation
29