Type
RA-2 HV3
Operating Instructions
DOK-208-GB.doc
No. 0920-..,
0921-...
Automatic spray gun
RA-2 HV3
for adapter with
material
pressure regulator,
article no.
0909-080-0681
0921-090-2370 0921-090-2369 0921-090-2372 0921-090-2371
3. Assembly
The assembly of the automatic spray gun type RA-2 HV3 depends on the intended
application. We recommend the screw connection with the retaining bolt, art. no. 6922-080-
1256 as a standard fixing system. Further mounting/assembly options are shown in the
diagram 140-0019 - e.g. mounting on the adapters (101 to 103).
Note
If the automatic spray gun is not adequately secured, it may become loose during operation
- e.g. due to vibrations. There is also a risk of displacement due to recoil. Under certain
circumstances, the coating substance may escape in an uncontrolled manner.
Caution
Assembly should be performed by suitably trained personnel only!
4. Startup
4.1 Connections
Control air to input (St); (symbol stamped next to connection)
Circular jet air to input (R); (symbol stamped next to connection)
Flat jet air to input (F); (symbol stamped next to connection)
Material connection to input (M); (symbol stamped next to connection)
Caution
Compressed air and material feed should only be connected up by suitably trained
personnel! Ensure that the pressures and temperatures listed under "Technical Data" are
not exceeded!
Notes
Air and material feed are connected via internal threads (e.g. nipple or nozzle-type
connection depending on application). If you not sure about the best connection method,
consult your supplier or Krautzberger GmbH.
Material feed can be effected via a container (under the intrinsic hydrostatic pressure of
the coating substance), a pressurised container or pumps. Circulation connection is
possible (e.g. when applying settling coating substances).
In the case of material feed under pressure (e.g. from pressure containers or via pumps),
5
ensure that the material feed is interrupted if the atomiser air pressure falls rapidly due