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REITER AGR-08-N Operating Manual

Automatic spray gun for conventional and for low-pressure atomization
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Operating Manual
Automatic spray gun AGR-08 for
conventional and AGR-08-N for
low-pressure atomization
Product No.: S-AGR08GB (Translation)
Issue:
05/15 - 3
REITER GmbH + Co. KG
Oberflächentechnik
Berglenstraße 23 - 25
D-71364 Winnenden
Phone:
+49 (0) 71 95 / 185 - 0
Telefax: +49 (0) 71 95 / 185 - 30
Internet: www.reiter-oft.de

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  • Page 1 Operating Manual Automatic spray gun AGR-08 for conventional and AGR-08-N for low-pressure atomization Product No.: S-AGR08GB (Translation) Issue: 05/15 - 3 REITER GmbH + Co. KG Oberflächentechnik Phone: +49 (0) 71 95 / 185 - 0 Berglenstraße 23 - 25...
  • Page 2 Contents of the Operating Manual Chapter 1 General Chapter 2 Safety Regulations Chapter 3 Technical Data Chapter 4 Transport (not assigned) Chapter 5 Function Description (not assigned) Chapter 6 Installation (not assigned) Chapter 7 Commissioning and Operation Chapter 8 Maintenance Chapter 9 Spare Parts Chapter 10...
  • Page 3 Because every system is designed differently, the automatic spray gun AGR-08 must only be placed in operation by personnel authorised by REITER. To better understand this device and to achieve optimum error-free operation for an extended pe- riod, please read this operating instruction carefully.
  • Page 4 The system is designed only for the use according to the operating area described in chapter 1.2 „Operating Area“. Any other use is considered improper and REITER can not be held liable for any possible damage. Copyright The copyright for this operating manual is retained by REITER GmbH + Co. KG Oberflächentech- nik.
  • Page 5 Safety Regulations Table of Contents Explanation of symbols and special directions ..............1 2.1.1 Symbol of working safety ....................1 2.1.2 Directions for “Attention“ ....................1 Basic safety instructions ....................1 Instructions......................... 2 Work stations ........................2 Cleaning ..........................2 Requirement for the entering of spray booth ..............

  • Page 6: Safety Regulations

    Safety Regulations Instructions Persons who work with the spraying device must be instructed about dangers before beginning their activities. This instruction must be repeated and documented at least once per year. Work stations Danger! Danger of fire and explosion! • Smoking and open flames are strictly prohibited in areas prone to fire and explosion.
  • Page 7 Safety Regulations Explosive areas (DIN EN 12215) The categorization of danger zones is a significant component of the safety concept for explosion protection. The ignition protection type of equipment and components integrated into the spray booth depends on the limit of concentration for flammable substances by technical ventilation. If the concentration of flammable substances is limited to less than 25% of the LEL, the in- side of the spray booth, including ambient and exhaust air lines, together with external areas formed around permanent openings at a distance of up to 1 m should be categorised as Zone...
  • Page 8 Safety Regulations Example of zone categorization in a spray booth with open access side (spraying stand) Categorization of danger zones into Zone 1 or Zone 2 Example of zone categorization in a spray booth that is open on top S-AGR08gb02 05/15 - 3 Page 4 of 4...
  • Page 9 Designs ..........................1 Technical data ........................2 3.2.1 Automatic gun AGR-08 and AGR-08-N................2 Designs The automatic spray gun AGR-08 is available in different designs. They differ in the use of a variety of components and/or in the material flow.

  • Page 10: Technical Data

    Technical Data Technical data 3.2.1 Automatic gun AGR-08 and AGR-08-N Spray system: AGR-08 conventional air atomization AGR-08-N Low-pressure air atomization Max. pressures: 0 to 14 bar material (MAT) 6 bar control air (CYL) 9 bar atomiser air (ATOM) and fan air (FAN) Switching times: <...
  • Page 11 Commissioning and Operation Table of Contents Commissioning ........................1 Usage conditions ....................... 2 Tools and other materials required..................2 Fastening onto intermediate plates (if available) ............... 2 7.4.1 Intermediate plate AGR...................... 2 Adjusting the jet geometry ....................3 7.5.1 Distance to workpiece ......................3 Commissioning Supply line (VL) Return line (RL)
  • Page 12 Commissioning and Operation Usage conditions Operating temperature: max. 80°C Ambient temperature: max. 40°C Tools and other materials required The following tools are required for installing and removing the automatic spray gun AGR-08: • Hexagon socket head wrench, size 4 • Gun grease (part no. 65026530) for the o-ring-wetting while placing the gun. Fastening onto intermediate plates (if available) 7.4.1 Intermediate plate AGR Note!
  • Page 13 Commissioning and Operation Adjusting the jet geometry Note! The gun has a variable jet geometry to produce a round or flat spray pattern. You should only work with clean, dry, filtered, oil-free air. Position 1. Select a suitable air flap. for vertical spray pattern Position the air distributing ring to produce the desired jet geometry. Make the appropriate setting for the atomiser air. Make the appropriate setting for the horn air. Position for horizontal spray pattern...

  • Page 14: Table Of Contents

    Maintenance Table of Contents Required tools and lubricants .................... 1 8.2 Removing gun ........................1 Dismantling of the automatic gun..................2 8.4 Reassembly of the automatic gun..................6 8.4.1 Possible sources of error for the reassembly..............10 8.5 Maintenance of needle set ....................11 8.6 Assembly device for spraying system AGR-08 (option) ........... 13 Faults ..........................14 Note: The air cap can be replaced on the automatic spray gun AGR-08 without removing it from the system.

  • Page 15: Dismantling Of The Automatic Gun

    Maintenance Dismantling of the automatic gun • Rinse the automatic gun Attention! • Secure the gun against restarting • Wear protection clothes (glases and gloves) • Notice the generally applicable accident prevention regulations Loosen and remove the gun with a hexagon socket head wrench, size 4 from the interme- diate plate or the adapter. 2. Loosen and remove the cover (19). 3. Loosen and remove the three screws (18) and remove the end plate (17). S-AGR08gb08 05/15 - 3 Page 2 of 15...
  • Page 16 Maintenance 4. Sliding head holder (11) backwards from the spray head (8). Remove paint needle (13), small compression spring (16), big compres- sion ring (15) and spring pin (14). Remove two Viton O-rings (10) from the spray head holder for fan air and atomizing air. Attention: Risk of injury! Needle can be very sharp. S-AGR08gb08 05/15 - 3 Page 3 of 15...
  • Page 17 Maintenance 5. Press piston (12) by hand or with a blunt tool from the head holder (11). 6. Loosen retaining ring (1) by hand and remove it together with the air cap (3) and the air cap gasket (2). 7. Loosen nozzle (4) with socket wrench or nut SW 13 and remove it together with the air dis- tributing ring (7) and the two gaskets (6). S-AGR08gb08 05/15 - 3 Page 4 of 15...
  • Page 18 Maintenance 8. Unscrew the needle packing with a Torx wrench TO40. Attention: This applies only to the standard packing of plastic. Clean all individual parts with a suitable detergent and dry. Gaskets and packing should be changed fundamentally during disassembly. Check all parts for damage or wear, and replace them with new original spare parts from the com- pany Reiter. S-AGR08gb08 05/15 - 3 Page 5 of 15...

  • Page 19: Reassembly Of The Automatic Gun

    Maintenance Reassembly of the automatic gun Lay out all components and the required tools on a clean level surface. 2. Mount the spray head (8) into the greased standard needle set (9) with 0.8 Nm or mount the special package made in stainless steel with Kalrez o-rings into the spray head (8) and tighten with a suitable tool with 3.0 Nm. 3. Wet gaskets (6) with little fat and put it in the air distribution ring (7). Attention: The gaskets are different. The smaller diameter is in the air distributing ring.
  • Page 20 Maintenance 4. Turn gun to 180° (needle up), place fluid noz- zle and tighten it to 30 Nm. Place air cap and tighten it manually with retaining ring. Little gun grease on the threads facilitates subse- quent removal. 5. Wet slightly two o-rings (10) from not solvent resistant Viton, for fan air and atomizing air with gun grease and insert into the head hold- er (11). Attention: Too much grease can be carried away by the fan air and atomizing air and reflected in painting/coating on the work- piece.
  • Page 21 Maintenance 8. Grease tip of the paint needle (13) with gun grease and insert through the piston (12) into the needle set. Push manually careful for- wards towards the nozzle. 9. Place greased spring pin (14) and the two compression springs – small (16), large (15) – which are inserted into each other, on the paint needle (13). 10. Close housing with end plate (17). 11. Tighten the three screws with an Allen key with 4.5 Nm. S-AGR08gb08 05/15 - 3 Page 8 of 15...
  • Page 22 Maintenance 12. Grease necessarily cover (19) and end plate (17) in order to facilitate subsequent disman- tling. 13. Grease solvent resistant Kalrez o-rings (20) on the gun bottom with gun grease. Place it on the adapter – or left to see in the photo – on the intermediate plate and tighten with an Al- len key size 4. S-AGR08gb08 05/15 - 3 Page 9 of 15...

  • Page 23: Possible Sources Of Error For The Reassembly

    Maintenance 8.4.1 Possible sources of error for the reassembly Mount two gaskets (6) with air distributing ring (7). Essential to maintain correct position and seat! Insert the respective smaller diameter of the gaskets into the air distribution ring. Here the lower gasket is slipped! A visual check is necessary! Grease nozzle (4) and tighten with 30 Nm.

  • Page 24: Maintenance Of Needle Set

    Maintenance Maintenance of needle set 1. Unscrew the cover on the back. Loosen and remove the three Allen screws with an Allen key 4 mm. At reassembly please lubricate with grease (part no. 65026530). 2. Remove back gun cover. Remove the two springs and the spring pin and separate the spay head from the head holder by axial, manually carefully pulling. Attention: Risk of injury! Needle can be very sharp.
  • Page 25 Maintenance 4. Unscrew the worn standard needle set with a Torx 40 with light, axial pressure. Clean the spray head carefully before the new set is used. Lubricate the standard set (part no. 65077600, see image) with grease (part no. 65026530) and screw with a Torx 40 with 0,8 Nm. Push out the special needle set Kalrez cpl. (part no. 63319030) from the nozzle side with a plastic pin (part no. 64004080) after the re- taining screw M12x1 and the paint nozzle was turned by using a Allen key 6 mm (the paint needle in the photo used here only for clarity. This is not to be used for installation). Clean the spray head carefully before the new set is used.

  • Page 26: Assembly Device For Spraying System Agr-08 (Option)

    Maintenance Assembly device for spraying system AGR-08 (option) Part no. 64076420 • Simple handling of the spay gun and those items • Fast nozzle change • No damage/deformation by vice jaws on the housing of the spray gun • Shortened maintenance times because atomizer need not be re-clamped for each operation Open and close the casing with a torque wrench Disassemble and reassemble paint nozzle Change the needle packing Insert piston S-AGR08gb08 05/15 - 3 Page 13 of 15...

  • Page 27: Faults

    Maintenance Faults Note! In case of faults determine the cause before disassembling to eliminate the error with as little main- tenance work as possible. Faults Possible causes Corrective action No uniform atomization or Nozzle stuck or damaged or Clean nozzle/air cap with spray pattern is not symmetri- deformed on the paint trailing suitable cleaning material or edge replace it Air cap holes are clogged in...
  • Page 28 Maintenance Faults Possible causes Corrective action Paint outlet at the air cap or Nozzle not properly tightened Maintain gun material outlet hole of the noz- or dirt on the sloping sealing surface Grease nozzle and tighten with 30 Nm Paint outlet between gun and Material seals (o-rings) dam- Replace o-rings or locking intermediate plate or gun aged on gun bottom or miss- adapter ing/damaged or overstretched locking...
  • Page 29 In case of damage resulting from the use of non-original spare parts and accessories, any liability or guarantee provided by REITER GmbH + Co. KG Oberflächentechnik is excluded. The stock keeping of spare parts is provision for any the validity of agreements involving system availability, service times and guarantee or systems performance.

  • Page 30: Spare Parts

    Spare Parts Disposal • For disposal clean the AGR-08 thoroughly of all media (paint, solvent) • Disposal of packaging and used parts must be made according to the rules and regulations of the country, in which the device was installed. Storage The automatic gun AGR-08 has to be stored in a dry and dust free area in its original packaging.

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Agr-08

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