Working with the spray guns
05 / 2009
0351701
- PEA-T3XL
13
3.
Working with the spray guns
3.1
Optimizing the spray pattern
0301_Pulverwolke_peat.doc
•
Switch on the powder feed.
Caution
To minimize the wear on the consumables, the total feed air and dosage air must give
the following values:
•
for powder hose with an inner diameter of 11 mm:
between
3.5 and 5 Nm
3
/h
•
for powder hose with an inner diameter of 12 mm:
between
4.5 and 6 Nm
3
/h
The total feed air; dosage air and Tribo air should not exceed
7.5 Nm
3
/h
!
•
First open the atomizing air so that powder deposits are cleared from the deflector cone.
You can alter the size of the spray pattern during powdering by adjusting the atomizing air.
•
Adjust the powder volume and the powder speed on a test piece.
•
The Tribo air should only be opened far enough to attain a Tribo current indication of
approx. 3
μ
A.
Caution
Tribo air
must
be reduced or shut off if the Tribo current (charging current) exceeds
3.5
μ
A!
The charging current depends on the type of powder used and should be between 2.5 and
3.5
μ
A under ideal circumstances.
