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Summary of Contents for DÖRR EcoGun 249
- Page 1 EcoGun 249 Manual Air Spray Gun Pressure-Feed Operation manual MSG00014EN, V01 www.durr.com N36200007V...
- Page 2 Validity range of the document This document describes the following prod- ucts: N36200007V EcoGun 249 Hotline and Contact If you have queries or would like technical information, please contact your dealer or sales partner. 2/40 EcoGun 249 - MSG00014EN 12/2016...
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Page 3: Table Of Contents
Order........38 6.7.1 Safety recommendations. . 11 6.7.2 General notes....11 6.7.3 Rinsing spray gun..... 11 Cleaning and maintenance..12 Safety recommendations..12 Cleaning....... 14 Maintenance......15 7.3.1 Maintenance schedule..15 7.3.2 Lubrication......15 12/2016 EcoGun 249 - MSG00014EN 3/40... -
Page 4: Product Overview
Medium risk situation that can lead to serious injuries or death. The spray gun is intended for surface coating. Compressed air is used to apply material. The coating material is fed through lines. The spray gun is handheld. 4/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 5: Intended Use
Use compressed air quick couplings Intended Use exclusively for water-based materials. The spray gun EcoGun 249 is used exclu- Staff qualification sively for hand guided spraying coating of surfaces. Compressed air is used to apply material. WARNING! The material is fed via a pressure line. -
Page 6: Personal Protective Equipment
The scope of supply includes the following Do not use any sources of ignition and no components: open light. Spray gun Do not smoke. Tool kit Ä 11.2 “Tools” Follow safety data sheets. 6/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 7: Handling Of Packaging Material
Lines, seals and screw connections must For water-based materials, be designed to conform to the spray gun you can also use compressed requirements Ä 10 “Technical data”. air quick couplings. The workplace must have a technical ventilation. 12/2016 EcoGun 249 - MSG00014EN 7/40... -
Page 8: Commissioning
Left turn: Flat jet maximum Right turn: less material You can turn the flat jet con- Left turn: more material trol continuously and adjust Tighten the locknut (1). the spray pattern from flat to round jet. 8/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 9: Operation
(1-component paints and 2-component paints) and water-based ones, if higher outflow rates are required. Coating materials with abrasive additives (coating materials containing zinc and aluminum, enamel, glaze) can also be applied. 12/2016 EcoGun 249 - MSG00014EN 9/40... -
Page 10: Changing The Air Cap
3. Place the air cap (1). 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 Protective equipment: Protective workwear Protective gloves 10/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 11: Guiding The Spray Gun
– Use only the rinsing agents that are compatible with the components and Fig. 9: Removing the air cap the material. 2. Loosen cap nut (1). – Refer to safety data sheet of mate- rial manufacturer. 12/2016 EcoGun 249 - MSG00014EN 11/40... -
Page 12: Cleaning And Maintenance
11. Tighten cap nut (1). can be the consequence. – Ensure the technical ventilation is operational. – Observe the safety data sheets. – Wear specified protective clothing. 12/40 EcoGun 249 - MSG00014EN 12/2016... - Page 13 – Do not use any thinner spray guns. cause light injuries. – Do not use high pressure for – Remove and install set screw. cleaning agents. 12/2016 EcoGun 249 - MSG00014EN 13/40...
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Page 14: Cleaning
11. Insert and tighten nozzle (2). Tightening torque: 10 Nm 12. Release trigger lever (3). 13. Place the air cap (1). 14. Tighten cap nut (1). Fig. 11: Disassembling the air cap and nozzle 14/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 15: Maintenance
– Observe order of replacement steps concerned components any way. (needle – nozzle). – Observe order of assembly steps (nozzle – needle). – Always replace nozzle and needle at the same time. 12/2016 EcoGun 249 - MSG00014EN 15/40... - Page 16 Property damage due to improper han- assembled and disassembled with dling the needle. Mechanical load can damage needle and – Do not excessively tighten compo- nozzle. nents. – Handle with care during installation and dismantling. 16/40 EcoGun 249 - MSG00014EN 12/2016...
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Page 17: Defects Table
Air cap is misaligned. tion Ä 6.5 “Alignment of the air cap”. Clean and check air cap. Replace air Spray jet is bent or tapered. Bores in air cap are cap if defective Ä 7.2 “Cleaning”. soiled. 12/2016 EcoGun 249 - MSG00014EN 17/40... - Page 18 Tighten cap nut and nozzle Cap nut or nozzle is Ä “Cleaning the air cap und nozzle”. not properly tight- ened. Replace needle gland Ä 8.3.3 Needle gland worn “Replacing needle gland seal”. out. 18/40 EcoGun 249 - MSG00014EN 12/2016...
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Page 19: Troubleshooting
15. Set and screw-in set screw (6) with the locknut (5). 16. Tighten locknut (5). Fig. 12: Disassemble needle and nozzle (standard version). 1. Loosen locknut (5). 2. Unscrew and remove set screw (6) with the locknut (5). 12/2016 EcoGun 249 - MSG00014EN 19/40... - Page 20 15. Insert and tighten nozzle (2). Tightening torque: 10 Nm 16. Place the air cap (1). 17. Tighten cap nut (1). 18. Push needle spring and bearing (3) on the needle. 20/40 EcoGun 249 - MSG00014EN 12/2016...
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Page 21: Replacing Valve Seal
10. Push in installation wrench (8) carefully backwards and out from the housing. into the gun housing from the back. 6. Remove valve pin (1). 11. Push in dismantled needle (9) through the installation wrench (8) into the gun housing. 12/2016 EcoGun 249 - MSG00014EN 21/40... -
Page 22: Replacing Needle Gland Seal
(10) from behind into the housing. tion called “Ceramic version”. Press-in seal. 19. Pull out installation wrench (8). ð The seal (10) remains in the housing. Fig. 19: Assemble seal of the bushing. 22/40 EcoGun 249 - MSG00014EN 12/2016... - Page 23 3. Remove needle gland (2) with spring guide (3) and gland spring (4). 4. Replace worn out or defective compo- nents. Fig. 22: Disassemble gland bolt 2. Loosen gland bolt (1) and remove it. 12/2016 EcoGun 249 - MSG00014EN 23/40...
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Page 24: Set Delay Time
11. Install the needle. Ä 8.3.1 “Replace needle and nozzle.”. 8.3.4 Set delay time Protective equipment: Protective workwear 24/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 25: Disassembly And Disposal
5. Install needle Ä 8.3.1 “Replace needle Protective gloves and nozzle.”. 1. Rinse the spray gun Ä 6.7 “Rinsing”. 2. Disconnect the compressed air supply and material feed. Secure against recon- nection. 3. Disconnect all lines. 12/2016 EcoGun 249 - MSG00014EN 25/40... -
Page 26: Disposal
Nozzle diameter 4 mm Uncertainty K 5 dB (with LG air cap) 10.5 Operating values Detail Value Max. air pressure 6.9 bar Air pressure, optimum 2.5 to 3.5 bar Material pressure, max. 6.9 bar 26/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 27: Compressed Air Quality
Compression Stainless steel springs Materials in contact Stainless steel with material Seals in contact PTFE with material Seals without mate- POM, PE, PTFE rial contact Replacement parts, tools and accessories 11.1 Replacement parts 12/2016 EcoGun 249 - MSG00014EN 27/40... - Page 28 Replacement parts, tools and accessories Fig. 26: Exploded view 28/40 EcoGun 249 - MSG00014EN 12/2016...
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Page 29: O-Ring 33.3X1.6
Ceramic gland bolt Air connection 3/8'' UNI M01220001 Material connection M14x1.5 M01220002 Needle Ä “Overview - Air caps and nozzles” Needle spring M68010250 Bearing Locknut Locknut automotive Set screw M41260005 Paint pipe G3/8'’ UNI M34040030 12/2016 EcoGun 249 - MSG00014EN 29/40... -
Page 30: Trigger
Seal M08280058 Control bush Safety washer Trigger Trigger pin Control screw Rotary control Color ring Screw Overview - Air caps and nozzles Nozzle sets consist of needle and nozzle with or without air cap. 30/40 EcoGun 249 - MSG00014EN 12/2016... - Page 31 * - Nozzle and needle hardened. Nozzle sets with air cap LS Nozzle diameter Item no. Material no. 1.4 mm* 1, 2, 21 M09800145 1.8 mm* M09800146 2.2 mm* M09800147 * - Nozzle and needle hardened. 12/2016 EcoGun 249 - MSG00014EN 31/40...
- Page 32 M09800058 1.8 mm M09800059 2.0 mm M09800060 2.2 mm M09800061 2.8 mm M09800086 4.0 mm M09800087 1.4 mm* M09800082 1.8 mm* M09800083 2.2 mm* M09800084 2.8 mm* M09800085 * - Nozzle and needle hardened. 32/40 EcoGun 249 - MSG00014EN 12/2016...
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Page 33: Denomination
Repair kit needle seal N36960023 Denomination Item no. Quantity Needle gland Spring guide Gland spring Gland bolt Repair kit needle seal ceramic N36960104 Denomination Item no. Quantity Packing washer Ceramic needle gland Ceramic gland bolt 12/2016 EcoGun 249 - MSG00014EN 33/40... -
Page 34: Needle Spring
Quantity Trigger Safety washer Trigger pin Closure set N36960044 Denomination Item no. Quantity Needle spring Bearing Locknut Set screw Closure set automotive N36960140 Denomination Item no. Quantity Needle spring Bearing Locknut automotive Set screw 34/40 EcoGun 249 - MSG00014EN 12/2016... -
Page 35: Item No
Flat jet control set (tool-adjustable) M21210005 Denomination Item no. Quantity Seal Control bush Control screw automotive Flat jet control set (yellow color ring) N36960121 Denomination Item no. Quantity Control screw Seal Control bush Rotary control Color ring (yellow) Screw 12/2016 EcoGun 249 - MSG00014EN 35/40... -
Page 36: Tools
Item no. Quantity Cleaning brush Monkey wrench Installation wrench Assembly rod Screw wrench W09010021 Denomination Item no. Quantity Screw wrench SW5.5/7 11.3 Accessories The complete overview of the accessories is available from the Dürr Webshop. 36/40 EcoGun 249 - MSG00014EN 12/2016... - Page 37 Push-on nipple for quick-action coupling, pivoted and rotat- M01300006 able D7.2 d10/12 Push-on nipple for quick-action coupling, pivoted and rotat- M01300005 able D5 d8/11 (US) Push-on nipple for quick-action coupling, pivoted and rotat- M01300007 able D7.5 d11/13 (ASIA) 12/2016 EcoGun 249 - MSG00014EN 37/40...
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Page 38: Order
– Use exclusively original replacement parts. Ordering replacement parts, tools and accessories as well as information on prod- ucts that are listed without order number. Ä “Hotline and Contact” 38/40 EcoGun 249 - MSG00014EN 12/2016... - Page 39 12/2016 EcoGun 249 - MSG00014EN 39/40...
- Page 40 Dürr Systems AG Application Technology Carl-Benz-Str. 34 74321 Bietigheim-Bissingen www.durr.com Original operation manual Transmission and duplication of this document, as well as use and sharing of its contents are not permitted without express written approval. Violations will be liable for compensation for damages. All rights in the event of a patent grant or design registration are reserved.
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