Graco Inc. 288592 Manuel D’Utilisation

Page de 12
Setup 
4
312106F
Setup
1. Shut off the air supply.
2. Connect a clean, dry, filtered air supply to 
the air inlet fitting (25). See page 10.
3. If this is the first time using the equipment, 
Operation
Pressure Relief Procedure
1. Turn off the gun air supply.
2. Trigger the gun to relieve pressure.
Spraying
1. Fill the cup with material. Do not fill past the 
shoulder on cup. 
2. Turn on the shop air to the gun and set 
atomizing pressure with the gun fully 
triggered. 
3. Adjust the pattern size and shape with the 
fluid adjust knob (8). Fluid adjust knob (8) is 
factory set for maximum needle trigger 
travel and material flow. Turn knob 
clockwise to reduce pattern size/ fluid flow 
and counterclockwise to increase it.
PERSONAL PROTECTIVE EQUIPMENT 
You must wear appropriate protective equipment when operating, servicing, or when in 
the operating area of the equipment to help protect you from serious injury, including 
eye injury, inhalation of toxic fumes, burns, and hearing loss. This equipment includes 
but is not limited to:
Protective eyewear 
Clothing and respirator as recommended by the fluid and solvent manufacturer
Gloves
Hearing protection
WARNING
Check that your shop air provides 
adequate air flow.
Use a minimum 3/8 in. (10 mm) ID air 
hose.
Set shop air pressure regulator (not 
supplied) according to paint manu-
facturer’s recommendation. See 
maximum pressures and compliant 
air pressures on page 2.
Make sure no air restrictions, such as 
low-volume cheater-valves, obstruct 
the air flow. If an air adjusting valve is 
desired, use a Graco Air Adjusting 
Valve (288744 or 234387).
Install a shutoff valve (not supplied) 
downstream of the air regulator to 
shut off gun air.
Install an inline air filter (not supplied) 
to clean and dry the gun air supply.
CAUTION
Excessive atomizing air pressure can 
increase over-spray, reduce transfer 
efficiency, and result in a poor quality finish. 
Regulatory agencies in certain states 
prohibit the operation of a spray gun above 
10 psi (69 kPa, 0.7 bar) atomizing air cap 
pressure.
See Troubleshooting, page 7, if you expe-
rience an irregular pattern.