Working with the spray guns
4.3
Performing a color change
0303_.doc
During a color change all parts carrying powder
must
be
thoroughly
cleaned of powder
residue. In the following only the procedure for the powder spray gun is described.
Hint
During a color change, the nozzle system does not necessarily have to disassemble.
Caution
If the outer nut is not screwed on tightly up to the stop position, the colors may smear.
•
Switch off the powder coating plant after automatic purging and secure it against
inadvertent switch on.
•
If you do not use automatic purging, flush the powder spray gun manually and clear any resi-
dues of powder before you shut down the plant.
-
Disconnect the powder hose from the spray gun.
-
Clear the spray gun using the air gun and clear any residues of powder.
-
Shut down the plant and secure it against inadvertent switch on.
•
Before you commence to connect the powder hose again, all parts carrying powder
must
be
thoroughly
cleaned.
The spray gun is ready for use again.
14
0390860
– PEA-C4-HiCoat-Enamel
05/2007
