Graco Series A Guide

313895A

Operation - Parts List

Texture Flex Head and Pole

Spray Applicators

U.S. Patent Pending

- For Water-Based Materials Only -

Model 24B945, Series A

Texture Flex Head Spray Applicator

Model 24B944, Series A

Pole Spray Applicator

1000 psi (6.9 MPa, 69 bar) Maximum Fluid Working Pressure

100 psi (0.7 MPa, 7 bar) Maximum Air Pressure

IMPORTANT SAFETY INSTRUCTIONS

Read all warnings and instructions in this

manual. Save these instructions.

Pressure Relief Procedure

To reduce the risk of serious bodily injury, including elec-

tric shock and splashing fluid in the eyes, follow this pro-

cedure whenever you stop spraying.

1. Shut off pump and sprayer.

2. Open sprayer drain valve.

3. Close applicator air valve.

Working Pressure

To reduce the risk of component rupture and serious

bodily injury, never exceed 1000 psi (69 bar) FLUID

WORKING PRESSURE to the applicator. Do not

exceed the maximum working pressure of any other

component in the system.

Fluid and Solvent Compatibility

Do not use 1,1,1-trichloroethane, methylene chloride,

other halogenated hydrocarbon solvents or fluids con-

taining such solvents in this equipment, which contains

aluminum and/or zinc parts. Such use could result in a

serious chemical reaction, with the possibility of explo-

sion, which would cause death, serious bodily injury

and/or substantial property damage.

Spraying

2313895A

Spraying

The spray pattern can be adjusted by changes to:

• Nozzle size

• Fluid and/or air flow

• Air needle position

• FineFinish disk size* (see next page)

The standard applicator adjustment is to adjust the air

needle slightly behind the fluid nozzle. Fully open the air

valve (3), while adjusting the needle valve (5) for the

minimum air flow necessary for a good pattern.

NOTE: Installing needle (20) too far forward can force

air back into fluid hose, stopping material flow.

Air bleeds from the applicator nozzle whenever the

applicator air valve (3) is open. Close the valve to stop

the air if desired. Otherwise, the air valve can stay open

during priming.

Adjusting the spray pattern requires testing to balance

the fluid flow and the air to the applicator, and requires

the correct nozzle size.

Spray Techniques

1. Test the spray pattern on cardboard. Hold the appli-

cator 18-30 in. (455-760 mm) from the surface. Use

this spraying distance for most applications.

2. Adjust fluid flow until material flow is adequate.

3. Adjust the applicator air flow valve (5) to achieve a

uniform round spray pattern.

4. Consider the size of aggregate in the material and

the coarseness of the spray pattern. Larger nozzles

allow heavier patterns.

5. Overlap each stroke 50%. A circular overlapping

pattern may give the best results, and is obtained by

grasping the flexhead (2) and swinging the head

around as the hose flexes.

When spraying small confined areas use the valve and

knob to make fine adjustments without adjusting the

pump.

Material Flow Adjustments

For a lighter spray pattern, adjust the air needle (20)

closer to the fluid nozzle and/or reduce the fluid flow.

For a heavier spray pattern, adjust the air needle (20)

farther back from the fluid tip and/or increase the fluid

flow.

NOTE: Withdrawing needle (20) too far can force air

back into fluid hose, stopping material flow.

Air Flow Valve Adjustment

To decrease air flow, turn valve knob (5) clockwise.

To increase air flow, turn valve knob (5) counterclock-

wise.

Check material and thin as needed to maintain the

proper consistency. The material may thicken as it sits

and could slow down application or affect the spray pat-

tern.

Flush and dry applicator thoroughly at the end of each

use.

Installing Nozzle Retaining Cap

1. Place nozzle retaining cap over top lip of applicator

housing.

(Optional)

2. Insert screwdriver through hole in tab of nozzle

retaining cap.

3. Push screwdriver head against notch on applicator

tip and pry nozzle retaining cap over lip until it snaps

into place.

ti14355a

Parts

313895A 3

Parts

9-15

16,22,23

24*

ti14353a

Ref. Part Description Qty.

1 HOSE, coupled, air 1

113377 Model 24B945 (Flex) 1

113601 Model 24B944 (Pole) 1

2 HOSE or TUBE, fluid, with swivel 1

123247 Model 24B945 (hose) 1

191633 Model 24B944 (tube) 1

3 15B565 VALVE, ball, air 1

4 190807 BRACKET, valve, air 1

5 112779 VALVE, needle, air 1

6 113114 LOCKNUT, 1 in. npt 1

8 24B956 SPRAYHEAD (includes 10-14,

16-21)

9 16A443 NOZZLE, 3/16 in. (optional) 1

10 16A444 NOZZLE, 1/4 in. 1

11 16A445 NOZZLE, 5/16 in. 1

12 16A446 NOZZLE, 3/8 in. 1

13 16A447 NOZZLE, applicator, 7/16 in. 1

14 16A448 NOZZLE, applicator, 1/2 in. 1

15 16A449 NOZZLE, applicator, 9/16 in.

(optional)

16 16A405 CAP, tip retaining, medium 1

17 16A247 HOUSING, spray gun 1

18 100085 SCREW 1

19 104282 O-RING 1

20 190947 NEEDLE, air 1

21 M70895 BUSHING 1

22 16A420 CAP, nozzle retaining, soft

(optional)

23 16A421 CAP, nozzle retaining, hard

(optional)

24 16A246 ADAPTER, fine finish* 1

25 289874 COUPLER, quick disconnect 1

26 119394 FITTING, air 1

* FineFinish disks and caps are provided in Kit 287227

(optional) see manual 310617.

Ref. Part Description Qty.

All written and visual data contained in this document reflects the latest product information available at the time of publication.

Graco reserves the right to make changes at any time without notice.

This manual contains English. MM 313895

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Japan, Korea

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441

www.graco.com

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