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Operation
18 309298J
Operation
Pressure Relief Procedure
1. Turn off all the air to the spray gun except the cylin-
der air, which triggers the gun.
2. Turn off the fluid supply to the gun.
3. Trigger the gun into a grounded metal waste con-
tainer to relieve the fluid pressure.
4. Open the pump drain valve and all other drain
valves in the system, having a waste container
ready to catch the drainage. Triggering the gun to
relieve pressure may not be sufficient. Leave the
drain valve open until you are ready to spray again
5. Relieve fluid pressure in the fluid supply equipment
as instructed in its instruction manual.
6. Close the bleed-type master air valve on the main
air supply line to shut off the air. Leave the valve
closed until you are ready to spray again.
7. If you suspect that the spray tip or hose is still
clogged or that pressure is not fully relieved after fol-
lowing the steps above, very slowly loosen the hose
end coupling and relieve pressure gradually, then
loosen completely. Now clear the tip or hose
obstruction.
Operating Checklist
Check the following list daily, before operating the sys-
tem, to help ensure you of safe, efficient operation.
WARNING
Skin Injection Hazard
The system pressure must be manually
relieved to prevent the system from starting
or spraying accidentally. Fluid under high
pressure can be injected through the skin and cause
serious injury. To reduce the risk of an injury from
fluid injection, splashing fluid, or electric shock, follow
the Pressure Relief Procedure whenever you:
• are instructed to relieve the pressure
• stop spraying
• check or service any of the system equipment
• or install or clean the spray tip.
All operators are properly trained to safely
operate an automatic electrostatic air-assisted
spray system as instructed in this manual.
All operators are trained in the Pressure
Relief Procedure at left.
The warning sign provided with the gun is
mounted in the spray area where it can be
easily seen and read by all operators.
The system, the operator, and all persons
entering the spray area are properly
grounded. See Grounding on page 15.
The condition of the gun’s electrical compo-
nents has been checked as instructed in Elec-
trical Tests on page 29.
Ventilation fans are operating properly.
Workpiece hangers are clean and grounded.
All debris, including flammable fluids and rags,
is removed from the spray area.
All flammable fluids in the spray booth are in
approved, grounded containers.
All conductive objects in the spray area are
electrically grounded. The floor of the spray
area is electrically conductive and grounded.
The manifold exhaust tubes have been
checked for the presence of any fluid. See
Check for Fluid Leakage on page 28.