30
PEA-C4-HiCoat
OPERATING MANUAL
VERSION 05/2012
ORDER NUMBER DOC 390829
7.7
PERFORMING A COLOR CHANGE
In the case of a color change, powder residues must be thoroughly removed from all parts
carrying powder. In the following only the procedure for the powder spray gun is described.
Note:
During a color change, the nozzle system does not necessarily have to be disassembled.
Procedure:
1.
Switch off the powder coating system after an automatic fl ushing and secure it
against being switched back on.
2.
In case no automatic fl ushing is used, purge the gun manually and remove any
powder residues from it before switching off the system.
- Disconnect the powder hose from the spray gun.
- Blow through the spray gun using the air gun and thus remove any powder
residues.
- Switch
off the system and secure against unauthorized reactivation.
3.
Before starting to connect the powder hose again, all parts carrying powder must be
thoroughly cleaned.
4.
The spray gun is ready for use again.
Dust formation!
Danger of poisoning.
Danger due to escaping dust, contamination of device and device
components.
Before starting cleaning or other manual work, the high-voltage
must be shut down and locked to prevent it from being switched
back on!
During every color change, the suction system of the booth and
the fi lter cleaning system must remain activated!
WARNING
CAUTION
Color carry-over!
If the cap nut is not screwed on tightly up to the stop position, the colors may smear.