DOK-208-GB.doc 1. Hazard and warning notes! Assembly of the automatic spray gun, type RA-2 HV3, and connection of the compressed air and material feed should be effected only by suitably qualified personnel! Check the mounting device and the connections from time to time! Always wear the protective equipment (e.g.
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Hazards which exceed those normally expected with the use of spraying equipment have not come to our attention in the handling of the automatic spray gun type RA-2 HV3. If, however, accidents or hazardous situations occur during practical applications, please notify us accordingly.
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Areas of application The automatic spray gun type RA-2 HV3 is used as part of a fully automatic spraying system or a spraying robot. All functions such as circular jet air, flat jet air and material discharge are externally controlled. All parts coming into contact with the material are made of stainless steel.
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0909-080-0681 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.
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No air or material must be discharged from the automatic spray gun type RA-2 HV3. Where present, open the adjusting nut (36) of the needle stroke adjuster (see section 5.2, Mode of operation/Spray profile adjustment)
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RA-2 HV3 under its intrinsic hydrostatic pressure. If material feed is effected under intrinsic hydrostatic pressure, the material pressure cannot be regulated.
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(setting parameters) without the knowledge of the set-up technician. The automatic spray gun type RA-2 HV3 is now ready for operation. Operation of the automatic spray gun type RA-2 HV3 / Correct preliminary air control flat jet air supply...
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Notes The automatic spray gun type RA-2 HV3 is never to be dismantled into its individual parts except when this is necessary for repair or maintenance purposes. When cleaning and during material change, the gun should be rinsed through using a detergent recommended by the supplier of the coating substance until it is discharged clear.
A cloth soaked in detergent is recommended for external cleaning. Disposal Following dismantling of the automatic spray gun type RA-2 HV3, the metal parts can be sorted and forwarded to a recycling process; the non-metal parts should be disposed of as special waste.
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Type RA-2 HV3 Operating Instructions 0920-.., 0921-... DOK-208-GB.doc Air nozzles standard design: brass, nickel plated special design: brass, PTFE coated Special equipment Material needle with puncture pin: to prevent the material nozzle from becoming blocked due to bonding of material particles, this material needle is fitted with a cylindrical pin (puncture pin) at the tip in front of the sealing cone.
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Type RA-2 HV3 Operating Instructions 0920-.., 0921-... DOK-208-GB.doc Examples for pneumatic circuitry of the automatic spray gun type RA-2 HV3 Analogue control Control of flat and circular jet air via proportional pressure regulating valves with analogue target value preset to...
In many cases it is possible to adapt the length and shape of the nozzle extension to the special requirements on the customer's premises. Ready-made nozzle extensions are also available (see Krautzberger GmbH order catalogue).
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Make: Krautzberger GmbH Serial no.: 0920-000, 0921-000 The automatic spray gun type RA-2 HV3 was developed, designed and produced in compliance with the EC Directive 89/392/EEC. The following harmonised standards were applied: EN 292, Safety of Machines, Plant and Equipment...
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Type RA-2 HV3 Operating Instructions 0920-.., 0921-... DOK-208-GB.doc 14. Operating malfunctions and spray profile defects Defect Cause Remedy Normal spray profile Excessive spray profile toward the top and bottom Soiled air nozzle Clean nozzles Soiled material nozzle Spray profile veers markedly to...
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