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308603
Rev. G
INSTRUCTIONS-PARTS LIST
Texture Flexhead and Pole Spray Guns
100 psi (7 bar) Maximum Air and Fluid Working Pressure
Model 238080, Series B
Texture Flexhead Spray Gun
Model 238807, Series B
Pole Spray Gun
WARNING
Pressure Relief Procedure
To reduce the risk of serious bodily injury, including
electric shock and splashing fluid in the eyes, follow this
procedure whenever you stop spraying.
1. Shut off the pump or sprayer.
2. Trigger the gun.
3. Open the gun air valve.
4. Disconnect the power source.
Grounding
To reduce the risk of electric shock, proper electrical
grounding is essential. See your separate pump or
sprayer instruction manual, and consult your local
electrical codes for detailed grounding instructions.
Working Pressure
To reduce the risk of component rupture and serious
bodily injury, never exceed 100 psi (7 bar) AIR OR
FLUID WORKING PRESSURE to this gun. 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 could cause death, serious bodily injury
and/or substantial property damage.
The standard gun adjustment is to adjust the air
needle slightly behind the fluid tip. Fully open air valve
(3), while adjusting needle valve (5) for the minimum
air flow necessary for a good pattern.
Air bleeds from the gun nozzle whenever the gun air
valve (3) is open. Close the valve to stop the air, if
desired. Otherwise, it can stay open except during
priming.
To prevent material surge at the beginning of a spray
pattern, open valve (17) slowly while moving gun quickly.
Adjusting the spray pattern requires testing to balance
the pump pressure and the air to the gun, and using
the right tip size.
Spray Techniques
1. Test the spray pattern on cardboard. Hold the gun
18 – 30 in. (457 – 762 mm) from the surface. Use
this spraying distance for most applications.
2. Adjust fluid pressure until material flow is adequate.
3. Adjust the gun 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. Remember,
the larger the tip, the heavier the pattern.
5. Overlap each stroke 50%.
6. A circular, overlapping pattern may give the best
results, and is obtainable by grasping the flexhead
(2) and swinging the head around as the hose
flexes.
7. Use appropriate procedure for your sprayer:
a. TexSpray EXT HP, Compact HP and Twin
Tank EXT: Make sure air bleeds from the
aluminum tube when there is material pres-
sure.
b. RTX 1500:Turn air supply off when sprayer is
not in use.
NOTE: Adjust fluid pressure to lowest pressure need-
ed to maximize efficiency of gun adjustments.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
ECOPYRIGHT 1996, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001