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Summary of Contents for DÖRR EcoGun 249
- Page 1 EcoGun 249 Manual spray boiler pistol Operation manual MSG00014EN, V02 N36200007V www.durr.com...
- Page 2 Validity range of the document This document describes the following product: N36200007V EcoGun 249 Hotline and Contact If you have queries or would like technical information, please contact your dealer or sales partner. 2/44 EcoGun 249 - MSG00014EN 05/2023...
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Page 3: Table Of Contents
33 6.7.1 Safety recommendations... 13 12.1 Spare parts......33 6.7.2 General notes....13 12.2 Tools........38 6.7.3 Purging spray gun..... 13 12.3 Accessories......39 Cleaning........15 12.4 Order........40 Safety recommendations..15 Cleaning....... 16 05/2023 EcoGun 249 - MSG00014EN 3/44... -
Page 4: Product Overview
Fig. 1: Overview injuries or death. Air cap Cap nut WARNING! Material connection Flat jet control Medium risk situation that can lead to Locknut serious injuries or death. Material flow control Air connection Air control 4/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 5: Intended Use
Intended Use - Device category 2 for gas T60 °C - Surface temperature, max. 60°C The EcoGun 249 spray gun is used exclu- sively for manual coating of surfaces. Com- - Specific operating conditions for pressed air is used to apply material. -
Page 6: Staff Qualification
In addition to the knowledge of the various to noise. specialist fields, the mechanic has knowl- edge of regulations and safety measures when working in potentially explosive areas. Dürr Systems offers special product training for Ä “Hotline and Contact”. 6/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 7: Residual Risks
Contact with it Do not smoke. can cause burns. Ground the spray gun. Do not touch hot surfaces. Before carrying out any work: – Let components cool down. – Wear protective hand gloves. 05/2023 EcoGun 249 - MSG00014EN 7/44... -
Page 8: Transport, Scope Of Supply And Storage
Product only store when in a clean and dry condition. Store in a dust-free place. Do not expose to aggressive media. Protect from solar radiation. Avoid mechanical vibrations. Temperature: 10°C to 40°C Relative humidity: 35% to 90% 8/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 9: Assembly
2. Create a trial spray pattern on a test work piece. Fig. 2: Assembly 2. Connect lines. Ensure correct assign- ment. 1 - Material 2 - Atomizer air Commissioning Protective equipment: Protective gloves Safety boots Protective workwear Eye protection 05/2023 EcoGun 249 - MSG00014EN 9/44... - Page 10 Characteristic curves The characteristic curves show the air flow rate for various nozzle sets and air caps for different air pressures. 10/44 EcoGun 249 - MSG00014EN 05/2023...
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Page 11: Operation
Chemical reactions can cause explosions. Serious injury and death could be the consequence. Only use purging agents and cleaning agents that do not contain any halo- genated hydrocarbons. 05/2023 EcoGun 249 - MSG00014EN 11/44... -
Page 12: Changing The Air Cap
4. Align the air cap as required Ä 6.5 “Alignment of the air cap”. 5. Tighten cap nut (1). Alignment of the air cap Personnel: Operator + additional qualification explosion pro- tection Protective equipment: Protective workwear Protective gloves 12/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 13: Guiding The Spray Gun
The distance can vary for effect coatings. Purging spray gun: After end of work Before every change of material Prior to cleaning Prior to dismantling Before a long time of non-use Before placing in storage 05/2023 EcoGun 249 - MSG00014EN 13/44... - Page 14 8. Connect the compressed air hose to the spray gun. 9. Operate trigger lever until no more rinsing agent flows out. Final work 10. Place the air cap (1). 11. Tighten cap nut (1). 14/44 EcoGun 249 - MSG00014EN 05/2023...
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Page 15: Cleaning
Spare parts not compliant with the specifi- cations of the ATEX directives can cause explosions in an explosive atmosphere. Serious injury and death could be the con- sequence. Use exclusively original spare parts. 05/2023 EcoGun 249 - MSG00014EN 15/44... -
Page 16: Cleaning
1. Purge spray gun Ä 6.7 “Purging”. the cleaning bath. – Use only electrically conductive 2. Separate material hose and air hose from containers. the spray gun. – Ground the container. – Do not use ultrasound baths. 16/44 EcoGun 249 - MSG00014EN 05/2023... - Page 17 ð The needle is pushed backwards so that it will not be damaged during dis- assembly of the nozzle. 4. Unscrew nozzle (2) and remove using monkey wrench. 5. Release the trigger lever (3). 05/2023 EcoGun 249 - MSG00014EN 17/44...
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Page 18: Maintenance
Spare parts not compliant with the specifi- cations of the ATEX directives can cause explosions in an explosive atmosphere. Serious injury and death could be the con- sequence. Use exclusively original spare parts. 18/44 EcoGun 249 - MSG00014EN 05/2023... - Page 19 – Only place those parts in the cleaning bath, which are suitable for the cleaning bath. – Use only electrically conductive containers. – Ground the container. – Do not use ultrasound baths. 05/2023 EcoGun 249 - MSG00014EN 19/44...
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Page 20: Maintenance Schedule
Observe order of replacement steps Recommended lubricant: SYN- (needle – nozzle). THESO GLEP 1 Ä 11.9 “Operating and auxiliary materials” Observe order of assembly steps (nozzle – needle). Always replace nozzle and needle at the same time. 20/44 EcoGun 249 - MSG00014EN 05/2023... - Page 21 Property damage due to improper han- mechanical pressure. dling Avoid collisions of components to be Mechanical load can damage needle and assembled and disassembled with the nozzle. needle. Do not excessively tighten compo- nents. 05/2023 EcoGun 249 - MSG00014EN 21/44...
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Page 22: Defects Table
Replace the valve pin or valve seat Spray gun is losing air with Valve pin or valve seat Ä 9.3.2 “Replace valve set”. non-actuated trigger. is defective or worn. 22/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 23: Troubleshooting
Ä “Cleaning the air cap und nozzle”. spray pattern quality is bad. properly tightened Replace needle gland Ä 9.3.3 Needle gland worn out “Replace needle gland”. Troubleshooting 9.3.1 Replace needle and nozzle. Protective equipment: Protective workwear Protective gloves 05/2023 EcoGun 249 - MSG00014EN 23/44... - Page 24 6. Loosen cap nut (1). 7. Remove air cap (1). 8. Unscrew nozzle (2) and remove using monkey wrench. 9. Replace worn out or defective compo- nents. Assembly 10. Insert and tighten nozzle (2). Tightening torque: 15Nm 24/44 EcoGun 249 - MSG00014EN 05/2023...
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Page 25: Replace Valve Set
1. Disassemble air cap, nozzle and needle 5. Push trigger lever through. Ä 9.3.1 “Replace needle and nozzle.”. ð The valve pin (1) is pushed a little backwards and out from the housing. 6. Remove valve pin (1). 05/2023 EcoGun 249 - MSG00014EN 25/44... - Page 26 (10) into the gun housing. 13. Push trigger lever through. ð The seal on the inside is pushed onto the installation wrench (10). 14. Pull out needle (11). Fig. 15: Disassemble valve seat 26/44 EcoGun 249 - MSG00014EN 05/2023...
- Page 27 (in front of the O- Ring) with contact adhesive (e.g. Loc- tite 454). Immediately push the seal with the installation wrench (10) into the housing. Press in seal. 23. Pull out installation wrench (10). 05/2023 EcoGun 249 - MSG00014EN 27/44...
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Page 28: Replace Needle Gland
3. Remove needle gland (2) with spring 34. Install air cap, nozzle and needle guide (3) and gland spring (4). Ä 9.3.1 “Replace needle and nozzle.”. 9.3.3 Replace needle gland Protective equipment: Protective workwear 28/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 29: Set Delay Time
The delay time can be set only with multi-part, hardened needles. Personnel: Operator + additional qualification explosion pro- tection Protective equipment: Protective workwear Protective gloves 05/2023 EcoGun 249 - MSG00014EN 29/44... -
Page 30: Disassembly And Disposal
5. Install needle Ä 9.3.1 “Replace needle and nozzle.”. 1. Rinse the spray gun Ä 6.7 “Purging”. 2. Disconnect the compressed air supply and material feed. Secure against recon- nection. 3. Disconnect all lines. 30/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 31: Disposal
Connection Nominal width – ≤ -3°C at 7bar absolute – ≤ +1°C at 9bar absolute 3/8" UNI (for BSP Material thread and NPSM – ≤ +3°C at 11bar absolute thread) / M14x1.5 G 1/4'' 05/2023 EcoGun 249 - MSG00014EN 31/44... -
Page 32: Type Plate
Stainless steel springs Ignitable coating materials Non-inflammable coating materials Materials in contact Stainless steel with material Do not use halogen - hydrocarbon PTFE Seals in contact with based material. material PTFR with 25% coal 32/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 33: Spare Parts, Tools And Accessories
Spare parts, tools and accessories Spare parts, tools and accessories 12.1 Spare parts Fig. 24: Exploded view 05/2023 EcoGun 249 - MSG00014EN 33/44... - Page 34 Needle spring Ä “Closure set N36960044” and Bearing Ä “Valve set automo- Locknut tive N36960140” Locknut automotive Set screw Paint pipe 3/8'’ UNI M34040030* Paint pipe M14x1.5 M34040016* Hose connection Ä 12.3 “Accessories” 34/44 EcoGun 249 - MSG00014EN 05/2023...
- Page 35 Set (Blue Color Ring) Seal N36960111” Control bush Rotary control Color ring Screw Safety washer Trigger set: N36960043 Trigger Trigger pin * Material connection M01220002 (19) and paint pipe support bracket M19023637 (29) are necessary for assembly. 05/2023 EcoGun 249 - MSG00014EN 35/44...
- Page 36 10 LP 10 LP 2, 20 M09800055 1.2mm 12 LP 12 LP M09800056 1.4mm 14 LP 14 LP M09800190 1,4 mm* 14 LD M09800082 1.8 mm* 18 LD M09800083 2.2 mm* 22 LD M09800084 36/44 EcoGun 249 - MSG00014EN 05/2023...
- Page 37 Set screw Valve set automotive N36960140 Description Item no. Quantity Needle spring Bearing Locknut automotive Set screw Flat Jet Control Set (Blue Color Ring) N36960111 Description Item no. Quantity Control screw Seal Control bush 05/2023 EcoGun 249 - MSG00014EN 37/44...
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Page 38: Tools
Rotary control Color ring Screw 12.2 Tools Tool kit N36960045 Fig. 25: Tools Description Item no. Quantity Cleaning brush Monkey wrench Installation wrench Assembly rod Screw wrench W09010021 Description Item no. Quantity Screw wrench SW5,5/7 38/44 EcoGun 249 - MSG00014EN 05/2023... -
Page 39: Accessories
Quick change coupling for air G1/4" - external N40030046 threads Quick change coupling for paint G3/8" - external N40040062 threads Push-on nipple for quick change coupling for M58940013 paint G3/8" - internal threads DIN cup 4mm N08010047 05/2023 EcoGun 249 - MSG00014EN 39/44... -
Page 40: Order
Serious injury and death could be the con- sequence. Use exclusively original spare parts. Ordering spare parts, tools and accessories as well as information on products that are listed without order number Ä “Hotline and Contact”. 40/44 EcoGun 249 - MSG00014EN 05/2023... - Page 41 05/2023 EcoGun 249 - MSG00014EN 41/44...
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- Page 44 Dürr Systems AG Application Technology Carl-Benz-Str. 34 74321 Bietigheim-Bissingen Germany +49 7142 78-0 www.durr.com Translation of the original operation manual MSG00014EN, V02 The distribution and reproduction of this document as well as the use and com- munication of its contents are not permitted without express written approval. Violations will be liable for damages.
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