Operation

Set the Atomization Fluid Pressure

Atomization fluid pressure will vary based on the viscos- ity of the fluid, flow rate desired, and other system char- acteristics.

1.Turn off the turbine air (TA) and atomization air (A2).

2.Start the pump. Set the fluid regulator to 400 psi (2.8 MPa, 28 bar).

3.With the turbine air (TA) and atomization air (A2) turned off, spray a test pattern, holding the gun 12 in. (305 mm) from the surface. Examine the particle size. Do not be concerned about the presence of tails; they will be removed in step 6.

4.Increase the fluid pressure in small increments. Spray another pattern and compare the particle size. Smaller particle size indicates improved atomi- zation.

6.Turn on the atomization air (A2) and adjust the air pressure until the tails disappear.

See Spray Pattern Troubleshooting on page 32 to cor- rect spray pattern problems.

KV2

KV1

TA

CYL

A2

TI1739A

WARNING

Pressurized Equipment Hazard

To reduce the risk of an injury, never exceed the maximum working pressure of the low- est rated system component. Maximum working fluid pressure of this equipment is

3000 psi (21 MPa, 210 bar).

5.Continue to increase the fluid pressure and spray test patterns. Do not exceed 3000 psi (21 MPa, 210 bar) fluid pressure. When the particle size remains constant, the fluid is being atomized at the lowest

possible fluid pressure.

For improved atomization at lower fluid flow rates, change to a smaller tip orifice size.

Fig. 12. Manifold Air Connections

No Air

Too Little

Correct

 

Air

Amount of Air

Fig. 13. Eliminating Tails

20

309298J

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Graco Inc 309298J, 244592 Set the Atomization Fluid Pressure, Pressurized Equipment Hazard, Psi 21 MPa, 210 bar, Correct
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244592, PRO Auto Xs AA, TI1713A, 309298J specifications

Graco Inc is a renowned brand in the field of fluid handling systems and accessories, with a reputation for delivering high-quality products that serve a variety of industries, including automotive, construction, and manufacturing. Among their extensive lineup, the Graco 309298J, TI1713A, PRO Auto Xs AA, 244592 represents a significant advancement in spray technology, notably regarded for its efficiency and versatility.

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