Krautzberger A 20 Operating Instructions Manual
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Krautzberger A 20 Operating Instructions Manual

Automatic spray gun
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Operating instructions
GB
Automatic spray gun A 20
T-Dok-657-GB-Rev. 3
200-0381 ￭ 200-0404 ￭ 200-0405 ￭ 200-0406 ￭ 200-0407
Translation of the original operating instructions

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  • Page 1 Operating instructions Automatic spray gun A 20 T-Dok-657-GB-Rev. 3 200-0381 ￭ 200-0404 ￭ 200-0405 ￭ 200-0406 ￭ 200-0407 Translation of the original operating instructions...
  • Page 2 Thank you for selecting a Krautzberger product. This product has been manufactured following state-of-the-art manufacturing procedures and extensive quality assurance measures. We promise you a product of the highest quality. If you have questions, requests or suggestions, please contact us. We are always glad to assist you.

  • Page 3: Table Of Contents

    ENGLISH Automatic spray gun A 20 Table of contents Function and identification....................5 Function........................5 Identification......................... 6 Using this operating manual..................... 7 Information about the operating manual..............7 Symbols in this operating manual................7 Personnel requirements....................9 Personal protective equipment..................9 Safety and responsibility....................
  • Page 4 Safety........................48 12.2 Disassembly......................48 12.3 Disposal........................48 Technical data........................49 13.1 Dimensions and weight.................... 49 13.2 General specifications..................... 49 13.3 Tightening torques for material nozzles..............49 13.4 Dimensions......................50 Declaration of incorporation................... 51 Notes..........................52 Index..........................54 GB–4 mail@krautzberger.com, www.krautzberger.com...

  • Page 5: Function And Identification

    ENGLISH Automatic spray gun A 20 1 Function and identification Function Automatic spray guns are used for automatic coating/marking of surfaces Dosing of fluids Placement of adhesive or marking points Typical spray media are paints, dyes, adhesives, glazes, enamels, release agents, etc.

  • Page 6: Identification

    HVLP nozzle system * 200-0407 Adapter 200-0381 Operating manual T-Dok-657 * HVLP = High Volume Low Pressure Serial number The serial number of the automatic spray gun is located on the main element. It serves as a unique identifier. GB–6 mail@krautzberger.com, www.krautzberger.com...

  • Page 7: Using This Operating Manual

    ENGLISH Automatic spray gun A 20 2 Using this operating manual Information about the operating manual Knowledge of the fundamental safety instructions and safety regulations is a basic require- ment for safe handling and defect-free operation of the product. This operating manual contains the most important information about enabling safe operation of the product.
  • Page 8 Warning signs Type of danger Warning – danger zone. Additional markings The following markings are used in this manual to highlight operating instructions, outcomes, lists, references, and other elements: Identification Explanation Step-by-step instructions ð Results of procedural steps GB–8 mail@krautzberger.com, www.krautzberger.com...

  • Page 9: Personnel Requirements

    ENGLISH Automatic spray gun A 20 Identification Explanation References to sections in this manual and other applicable docu- ments Lists without specified order [Button] Operating elements (e.g. buttons, switches), display elements (e.g. signal lights) ‘Display’ Screen elements (e.g. pushbuttons, assignment of function keys)
  • Page 10 Safety goggles Safety goggles are used to protect the eyes from airborne components and splashes of liquid. Protective clothing Protective clothing are tight fitting work clothes with low tear resistance, with tight sleeves, and without any protruding parts. GB–10 mail@krautzberger.com, www.krautzberger.com...
  • Page 11 ENGLISH Automatic spray gun A 20 Safety shoes Safety shoes protect the feet against crushing, falling parts or slipping on slippery ground. Safety helmet The helmet protects the head from falling parts and oscillating loads on the one hand, and it can protect it from injuries in cramped situations on the other.

  • Page 12: Safety And Responsibility

    Do not use sharply abrasive, chemically aggressive, very hot or very cold spray fluids without first consulting with and receiving approval from Krautzberger GmbH. Adhere to the safety data sheets of the spray fluid manufacturer. Only use the manufacturer's OEM parts.

  • Page 13: General Safety Instructions

    ENGLISH Automatic spray gun A 20 Ä Chapter Only operate the automatic spray gun while adhering to the values specified in ( 13 ‘Technical data’ on page 49). Make sure that the connected compressed air is oil-free and free from solid matter.

  • Page 14: Residual Risks

    Frost, etc. Residual risks The automatic spray gun made by Krautzberger GmbH has been manufactured based on state-of- the-art technology and generally accepted technical safety regulations. Nonetheless, its use can pose a threat to the life or health of users or third parties, damage the automatic spray gun itself or cause other property damage.

  • Page 15: Transport, Storage, And Packaging

    ENGLISH Automatic spray gun A 20 4 Transport, storage, and packaging Transport The automatic spray gun is protected by cardboard packaging. The cardboard packaging can be reused for storage. Storage Store the automatic spray gun under the following conditions: Store the automatic spray gun in the original packaging.

  • Page 16: Overview

    Connection of material circulation line (output "M")* Flat jet air regulator "F" on underside of the adapter (also optionally available as a manual regulator)* Round jet air regulator "R" on underside of adapter (also optionally available as a manual reg- ulator)* GB–16 mail@krautzberger.com, www.krautzberger.com...
  • Page 17 ENGLISH Automatic spray gun A 20 * optional / dependent on configuration The connections are marked with letter abbreviations. 200-0381 ￭ 200-0404 ￭ 200-0405 ￭ 200-0406 ￭ 200-0407 GB–17...

  • Page 18: Installation

    Operate the automatic spray gun with processed, dried compressed air (air quality pursuant to DIN ISO 8573-1: quality class 4). Vibration and recoil forces may occur on the automatic spray gun during the operation. Ensure sufficient fastening. Never point the compressed air at living beings. GB–18 mail@krautzberger.com, www.krautzberger.com...

  • Page 19: Installing The Automatic Spray Gun

    ENGLISH Automatic spray gun A 20 Installing the automatic spray gun Changing the installation position of the automatic spray gun To change the installation position of the automatic spray gun, the retaining bolt ( Fig. 4/2) can be screwed into the adapter ( Fig. 4/1) from the other side.

  • Page 20: Changing The Main Elements

    Turn the lever ( Fig. 5/3) to the unlocking position. Insert the main element ( Fig. 5/1) with the clamp bolts ( Fig. 5/2) into the adapter ( Fig. 5/4) and let them snap in. Turn the lever ( Fig. 5/3) to the locking position. GB–20 mail@krautzberger.com, www.krautzberger.com...

  • Page 21: Nozzle Fixing (Optional)

    ENGLISH Automatic spray gun A 20 6.4.2 Screw-type design Removing the main elements Fig. 6: Mounting and removing the main elements Loosen the screw ( Fig. 61). Remove the main element ( Fig. 6/2) from the adapter ( Fig. 6/3).
  • Page 22 Operating instructions T-Dok-657-GB-Rev. 3 Loosen cap nut. NOTICE! Property damage due to incorrect operation! – The flat jet nozzle may only be turned anti-clockwise. Turn flat jet nozzle anti-clockwise to the desired position. Tighten cap nut again. GB–22 mail@krautzberger.com, www.krautzberger.com...

  • Page 23: Connecting The Automatic Spray Gun

    ENGLISH Automatic spray gun A 20 Connecting the automatic spray gun Ä Chapter 6.7 ‘Connection scheme’ on page 24. See also WARNING! Danger of injury due to improper connection! When the material supply is pressurised, e.g. from pressure containers or with pumps, the range of the fluid jet can increase by a multiple in case of atomiser air failure.

  • Page 24: Connection Scheme

    Air and fluid supply Fig. 9: Connection scheme Compressed-air connection Ball cock Oil-water separator Pressure controller for the atomiser air Solenoid valve for the control air Pump Return pressure control Container Atomiser air Control air Fluid connection Circulation connection (optional) GB–24 mail@krautzberger.com, www.krautzberger.com...

  • Page 25: Operation

    ENGLISH Automatic spray gun A 20 7 Operation Safety Personnel: User Specialised personnel Protective equipment: The selection of the protective equipment depends on the medium used by the owner. The infor- mation provided by the medium manufacturer indicated on the safety data sheet must be adhered to in order to ensure the proper selection of protective equipment.

  • Page 26: General Information About Initial Start-Up / Commissioning

    Do not use highly abrasive, chemically aggressive, very hot or very cold spray media without first consulting Krautzberger GmbH. Adhere to the safety data sheets of the spray medium manufacturer. Only operate the automatic spray gun while adhering to the values specified in ( Ä...

  • Page 27: Adjusting The Spray Pattern

    ENGLISH Automatic spray gun A 20 WARNING! Sound pressure level Depending on the operating conditions, the sound pressure of the device may cause hearing damage. Take suitable action to reduce the impact of the existing sound pressure level. The owner is responsible for the type and implementation of suitable measures, which may depend on the local conditions.
  • Page 28 The spray gun should be as close to the workpiece as possible Always spray in the extraction direction Optional design of the flat and round jet regulator Optional design: Flat jet regulator ( Fig. 10/5) and round jet regulator ( Fig. 10/4) for adjust- ment by hand. GB–28 mail@krautzberger.com, www.krautzberger.com...
  • Page 29 ENGLISH Automatic spray gun A 20 Fig. 10: Adjusting the spray pattern Open the needle stroke adjustment by turning the adjustment nut ( Fig. 10/1). To do so, turn the adjusting nut anti-clockwise. Close the flat jet regulator ( Fig. 10/2) completely with a hexagon screwdriver.

  • Page 30: Adjusting The Needle Stroke

    Push in the needle stroke adjustment screw ( Fig. 11/1) to fasten it again. Shutting down 7.6.1 Temporary shut-down Fig. 12: Shutting down End the spray process by switching off the control air (connection "St", Fig. 12/1). The atomiser air (connection "Z") is automatically closed in the automatic spray gun. GB–30 mail@krautzberger.com, www.krautzberger.com...
  • Page 31 ENGLISH Automatic spray gun A 20 7.6.2 Long-term shut-down Ä Chapter 6.7 ‘Connection scheme’ Close the air supply for control air and atomiser air ( on page 24). Close the material supply and switch off the fluid pressure pump or the pressure container if necessary.

  • Page 32: Maintenance

    The level of wear depends on the abrasiveness of the spray medium used. Escaping air and spray medium as well as the deterioration of the spray pattern are signs that parts are worn. Contact Krautzberger Customer Care should you have any questions about main- tenance work and maintenance intervals.
  • Page 33 ENGLISH Automatic spray gun A 20 Interval Maintenance work Personnel before performing any Clean the automatic spray gun ( Ä Chapter 8.3 Qualified personnel maintenance work ‘Cleaning the automatic spray gun’ on page 34). if needed Change the material nozzle and air nozzle ( Ä...

  • Page 34: Cleaning The Automatic Spray Gun

    35) and clean with a soft brush. Do not use hard or sharp-edged objects. We rec- ommend our brush set. See the last page for contact information. Slightly grease sliding parts with special Krautzberger grease. The special grease can be purchased from Krautzberger GmbH (contact data see last page). GB–34...

  • Page 35: Changing The Fluid Nozzle And The Air Nozzle

    ENGLISH Automatic spray gun A 20 Changing the fluid nozzle and the air nozzle Removing the nozzles Fig. 13: Fluid nozzle and air nozzle Loosen cap nut ( Fig. 13/1). Remove the air nozzle ( Fig. 13/2). Unscrew the fluid nozzle ( Fig. 13/3) with a fork wrench.

  • Page 36: Changing The Fluid Needle

    Pull out the control piston ( Fig. 14/2) from the main element ( Fig. 14/5) using the screw ( Fig. 14/1). Fig. 15: Pulling the fluid needle out of the control piston Unscrew the screw ( Fig. 156). GB–36 mail@krautzberger.com, www.krautzberger.com...
  • Page 37 ENGLISH Automatic spray gun A 20 CAUTION! Risk of injury due to fluid needles! Remove the spring ( Fig. 15/5) and the fluid needle ( Fig. 15/4) from the control piston ( Fig. 15/3). WARNING! Risk of injury through the use of incorrect spare parts! Check the condition of the seals ( Fig.
  • Page 38 Hook the locking part ( Fig. 17/3) into the screws ( Fig. 17/1). Tighten the screws ( Fig. 171) evenly. After assembly, check the tight fit of all parts. Check moving parts to make sure they run easily. GB–38 mail@krautzberger.com, www.krautzberger.com...
  • Page 39 The tools contained in the "Servicing tool kit 2" can be used for all the work described in this chapter. The "Servicing tool kit 2" can be purchased from Krautzberger GmbH. See the last page for contact data. 200-0381 ￭ 200-0404 ￭ 200-0405 ￭ 200-0406 ￭ 200-0407...

  • Page 40: Changing The Seals

    Check the condition of the O-rings ( Fig. 18/5 and 6) on the clamping screw ( Fig. 18/4) and replace if necessary. Check the condition of the leak seal ( Fig. 18/3) in the clamping screw ( Fig. 18/4) and replace if necessary. GB–40 mail@krautzberger.com, www.krautzberger.com...
  • Page 41 ENGLISH Automatic spray gun A 20 Installing the needle seals WARNING! Risk of injury through the use of incorrect spare parts! Install the leak seal ( Fig. 18/3) in the clamping screw ( Fig. 18/4) and, in doing so, pay attention to the correct installation position.
  • Page 42 Servicing tool kit 2 The tools contained in the "Servicing tool kit 2" can be used for all the work described in this chapter. The "Servicing tool kit 2" can be purchased from Krautzberger GmbH. See the last page for contact details. NOTICE! Lightly grease springs, threads and seals with the "Krautzberger special grease"...

  • Page 43: Troubleshooting

    ENGLISH Automatic spray gun A 20 9 Troubleshooting Personnel: Qualified personnel If the fault is not included in the following tables or if it cannot be eliminated with the measures described, contact Krautzberger Customer Care. Spray pattern Error Cause Remedy...
  • Page 44 35) Spray pattern change Air distributor ring Remove air dis- after reassembly. installed wrong tributor ring and Atomisers for round install correctly and flat jets can no longer be regulated separately GB–44 mail@krautzberger.com, www.krautzberger.com...

  • Page 45: Customer Care

    ENGLISH Automatic spray gun A 20 Customer Care Krautzberger GmbH Customer service Stockbornstr. 13 65343 Eltville am Rhein +49 6123 - 698151 customercare@krautzberger.com 200-0381 ￭ 200-0404 ￭ 200-0405 ￭ 200-0406 ￭ 200-0407 GB–45...

  • Page 46: Spare Parts

    Designation – Item number according to spare parts list – Quantity – Desired shipping method (post, freight, sea, air, express) – Delivery address A complete spare part overview is available on the website of Krautzberger GmbH: www.krautzberger.de GB–46 mail@krautzberger.com, www.krautzberger.com...

  • Page 47: Accessories

    Accessories A wide range of accessories is available for the automatic spray gun. For further information, visit us on the Internet (www.krautzberger.com) or contact your Krautzberger specialist dealer, consul- tant or our office staff. Here are a few examples: Air nozzles...

  • Page 48: Disassembly And Disposal

    Sort remaining components based on the respective material and dispose of them accord- ingly. Properly dispose of potential spray media residue separately from the device. If in doubt, obtain information about environmentally-appropriate disposal from the local authorities or specialised disposal companies. GB–48 mail@krautzberger.com, www.krautzberger.com...

  • Page 49: Technical Data

    ENGLISH Automatic spray gun A 20 Technical data 13.1 Dimensions and weight Specification Value Unit Width Height without manual regulator for flat and round jet air Height with manual regulator for flat and round jet air Length Connection for spray medium G 1/8 "...

  • Page 50: Dimensions

    Operating instructions T-Dok-657-GB-Rev. 3 13.4 Dimensions Fig. 22: Dimensions, side view Fig. 23: Dimensions, front view GB–50 mail@krautzberger.com, www.krautzberger.com...

  • Page 51: Declaration Of Incorporation

    ENGLISH Automatic spray gun A 20 Declaration of incorporation Fig. 24: Declaration of incorporation 200-0381 ￭ 200-0404 ￭ 200-0405 ￭ 200-0406 ￭ 200-0407 GB–51...

  • Page 52: Notes

    Operating instructions T-Dok-657-GB-Rev. 3 Notes ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ GB–52 mail@krautzberger.com, www.krautzberger.com...
  • Page 53 ENGLISH Automatic spray gun A 20 ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ 200-0381 ￭ 200-0404 ￭ 200-0405 ￭ 200-0406 ￭ 200-0407...

  • Page 54: Index

    Troubleshooting table ..........43 GB–54 mail@krautzberger.com, www.krautzberger.com...
  • Page 55 ENGLISH Automatic spray gun A 20 User qualification ..........9 Weight .
  • Page 57 Krautzberger GmbH Stockbornstrasse 13 D-65343 Eltville am Rhein, Germany Hotline: +49 (0) 6123 698-222 Head Office: +49 (0) 6123 698-0 Fax: +49 (0) 6123 698-200 Email: mail@krautzberger.com Internet: www.krautzberger.com © Krautzberger GmbH 2019 © Krautzberger GmbH 2019...

This manual is also suitable for:

200-0404200-0405200-0406200-0407200-0381

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