DÖRR EcoGun 249 Operation Manual Download

Page: 29 / 40

Item

Denomination

Quan-

tity

Material no.

Air cap

“Overview - Air

caps and nozzles”

Nozzle

O-ring 33.3x1.6

M08030814

O-Ring 9.3x1

M08030867

Housing

Seal, green

M08280056

Valve seat

M35010264

Valve pin

M49150004

Valve pin spring

Seal, black

M08280057

O-ring 13x1

M08030864

Bushing

M05010179

Needle gland

M08320005

Spring guide

Gland spring

Gland bolt

Packing washer

Ceramic needle gland

M08320006

Ceramic gland bolt

Air connection 3/8'' UNI

M01220001

Material connection M14x1.5

M01220002

Needle

“Overview - Air

caps and nozzles”

Needle spring

M68010250

Bearing

Locknut

Locknut automotive

Set screw

M41260005

Paint pipe G3/8'’ UNI

M34040030

Replacement parts, tools and accessories

12/2016

EcoGun 249 - MSG00014EN

29/40

Summary of Contents for EcoGun 249

Page 1: ...EcoGun 249 Manual Air Spray Gun Pressure Feed MSG00014EN V01 N36200007V www durr com Operation manual ...

Page 2: ...luded if the product is transferred Always follow specifications such as instructions for use and safety tips Images are there to help general under standing and can differ from the actual product 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...

Page 3: ...7 Cleaning and maintenance 12 7 1 Safety recommendations 12 7 2 Cleaning 14 7 3 Maintenance 15 7 3 1 Maintenance schedule 15 7 3 2 Lubrication 15 8 Faults 15 8 1 Safety recommendations 15 8 2 Defects table 17 8 3 Troubleshooting 19 8 3 1 Replace needle and nozzle 19 8 3 2 Replacing valve seal 21 8 3 3 Replacing needle gland seal 22 8 3 4 Set delay time 24 9 Disassembly and Disposal 25 9 1 Safety r...

Page 4: ...have a high proportion of abra sive ingredients for example enamel glaze These gun versions are hereafter called ceramic version Use a suitable nozzle set with air cap depending on the requirement Ä 6 3 Selecting air cap The following factors influence the spray jet and the result Alignment of the air cap Ä 6 5 Alignment of the air cap Material flow Ä 5 Commissioning Air pressure Ä 5 Commissioning...

Page 5: ... gun in areas with Ex zone 0 EX labeling II 2G T60 C X II Device group II all areas except mining 2G Device category 2 for gas T60 C Surface temperature max 60 C X Specific operating conditions for safe operation The following conditions must be observed for safe operation Ground spray gun and work piece Only use conductive air hoses Ensure that static electricity can be dis charged Use compressed...

Page 6: ...ition and no open light Do not smoke Follow safety data sheets Danger from harmful or irritant sub stances Contact with hazardous liquids or vapors can result in serious injury or death Ensure that the forced ventilation is operational Observe the safety data sheets Wear specified protective equipment Pressure Material can escape with high pressure and penetrate the body Death or serious injuries ...

Page 7: ...irements for the Installation point It must be possible to disconnect the compressed air supply to the spray gun against reconnection The compressed air supply must be adjustable Lines seals and screw connections must be designed to conform to the spray gun requirements Ä 10 Technical data The workplace must have a technical ventilation Working environment and grounding Flooring of the working are...

Page 8: ...ore material Tighten the locknut 1 Do not turn the set screw up to the mechanical stop The needle can then no longer move properly If the material quantity cannot be sufficiently reduced with the material flow control reduce the total air pressure or use a smaller nozzle set Set total air pressure Fig 4 Setting the total air and jet width 2 Set the total air pressure by turning the total air contr...

Page 9: ...he following checks during oper ation Check air connection for correct seat and leaks Check air car for cleanliness Check nozzle for cleanliness 6 3 Selecting air cap You can convert the spray gun for various uses by swapping the air cap Air cap LP The air cap LP is used for low viscosity up to 30 s DIN cups 4 mm solvent based coating materials single 1 component paints and 2 component paints and ...

Page 10: ...oving the air cap 1 Loosen cap nut 1 2 Remove the air cap 1 Assembling 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 6 5 Alignment of the air cap Protective equipment Protective workwear Protective gloves The position of the air cap determines the alignment of the spray pattern Fig 7 Air cap alignment 1 Lightly loosen cap nut 2 2 T...

Page 11: ...maged Use only the rinsing agents that are compatible with the components and the material Refer to safety data sheet of mate rial manufacturer 6 7 2 General notes When rinsing use fluid to remove inner soiling from components 6 7 3 Rinsing spray gun Protective equipment Use ear protection Eye protection Respiratory protection device Protective workwear Protective gloves Rinsing spray gun After en...

Page 12: ...re that the flashpoint of the cleaning agent is at least 5 K above the ambient temperature Pay attention to the explosion group of the material cleaning and rinsing agent Ensure that technical ventilation and fire protection equipment are in operation Do not use any sources of ignition and no open light Do not smoke Observe the safety data sheets WARNING Risk of injury from unsuitable replace ment...

Page 13: ...ing tension could cause the set screw to jump out unexpectedly and cause light injuries Remove and install set screw NOTICE Material damage due to unsuitable cleaning agent Unsuitable cleaning agents can damage the product Only use suitable cleaning agents approved by the material manufac turer Observe the safety data sheets Place heavily soiled components into a cleaning bath For cleaning baths u...

Page 14: ... Remove the air cap 1 3 Push trigger lever 3 through Keep it pressed ð The needle is pushed backwards so that it will not be damaged during dis assembly of the nozzle 4 Unscrew nozzle 2 using monkey wrench and remove 5 Release trigger lever 3 6 Clean air cap using cleaning agent and cleaning brush Ä 11 2 Tools 7 Wipe the cleaned air cap dry with a cloth 8 Clean the nozzle in the cleaning bath 9 Cl...

Page 15: ... grease O rings and seals Bearing Set screw and threads Needle gland Lever bearing Lubricate internal components at the time of maintenance work which include disassembly of the concerned components any way 8 Faults 8 1 Safety recommendations NOTICE Property damage due to improper replacement of needle and nozzle Replacing only the needle or only the nozzle could damage spray gun compo nents This ...

Page 16: ...le and nozzle Handle with care during installation and dismantling Do not subject the needle to any mechanical pressure Avoid collisions of components to be assembled and disassembled with the needle Do not excessively tighten compo nents Faults 12 2016 EcoGun 249 MSG00014EN 16 40 ...

Page 17: ...nd seal Needle gland seal worn out Replacing needle gland seal Ä 8 3 3 Replacing needle gland seal Needle gland loose Tighten needle gland sensitively Air escapes at the flat jet control Valve seal worn out Replacing valve seal Ä 8 3 2 Replacing valve seal Spray jet is distorted Air cap is misaligned Rotate air cap into the required posi tion Ä 6 5 Alignment of the air cap Spray jet is bent or tap...

Page 18: ...al air control Spray jet is split Material too thin Change material consistency Horn air pressure too high Decrease the horn air pressure via the flat jet control Air pressure too high Decrease the air pressure via the total air control Spray jet is uneven The spray pattern quality is bad Nozzle soiled or defective Clean and check the nozzle If nozzle is defective replace it along with the needle ...

Page 19: ... and nozzle standard version 1 Loosen locknut 5 2 Unscrew and remove set screw 6 with the locknut 5 3 Push trigger through ð The needle 3 is pushed a little back wards and out from the housing 4 Remove bearing and needle spring 4 5 Remove the needle 3 6 Loosen cap nut 1 7 Remove the air cap 1 8 Unscrew nozzle 2 using monkey wrench and remove 9 Replace worn out or defective compo nents Assembling 1...

Page 20: ...gun using the monkey wrench before twisting 8 Loosen the needle tip 6 using an instal lation wrench 9 Push trigger through ð The needle 7 is pushed a little back wards and out from the housing 10 Remove the needle 7 11 Replace worn out or defective compo nents Assembling 12 Push in needle 7 carefully into the housing 13 Secure needle 7 on the wrench mount in the center of the spray gun using the m...

Page 21: ...sh trigger through ð The valve pin 1 is pushed a little backwards and out from the housing 6 Remove valve pin 1 Fig 16 Disassemble seal of the bushing 7 Insert the assembly plug 6 in the bushing 4 8 Screw in set screw 7 in the bushing 4 using the assembly plug 6 ð The seal 5 is pushed out from the bushing 4 Fig 17 Disassemble seal 9 Push in assembly plug 6 carefully into the gun housing from the c...

Page 22: ...installation wrench 8 with seal into the bushing 4 Press in seal 22 Pull out installation wrench 8 ð The seal 5 remains in the bushing 4 23 Insert valve pin 1 24 Press in O ring 3 into the housing 25 Insert the compression spring 2 26 Screw in bushing 4 into the housing 27 Install air cap nozzle and needle Ä 8 3 1 Replace needle and nozzle 8 3 3 Replacing needle gland seal The disassembly and asse...

Page 23: ...r rectly Push in needle carefully into the housing 6 String gland bolt 1 7 String gland spring 4 8 String spring guide 3 9 String needle gland 2 10 Tighten gland bolt 1 sensitively If there are leakages in operation after you replace the needle gland seal you have to tighten the needle gland seal a little more 11 Install the needle Ä 8 3 1 Replace needle and nozzle Ceramic version Protective equip...

Page 24: ... in operation after you replace the needle gland seal you have to tighten the needle gland seal a little more 11 Install the needle Ä 8 3 1 Replace needle and nozzle 8 3 4 Set delay time Protective equipment Protective workwear Protective gloves Abrasive media wear out the needle If the needle wear is at an advanced stage you must adjust the delay time The delay time can only be set in spray guns ...

Page 25: ...r Material can escape with high pressure and penetrate the body The injury can look like a harmless cut wound Death or serious injuries may result If there are injuries seek medical attention immediately Before working on the product Disconnect the system with the product from compressed air and material supply Secure the system against recon nection Relieve the lines 9 2 Disassembly Protective eq...

Page 26: ...r with LS air cap 1 4 to 2 2 mm Nozzle diameter with LE air cap 2 8 mm Nozzle diameter with LG air cap 4 mm 10 2 Connections Connection Nominal width Material 3 8 UNI for BSP threads and NPSM threads MM14x1 5 Air 1 4 UNI for BSP threads and NPSM threads 10 3 Operating conditions Detail Value Maximum allowable mate rial temperature when operating with protective gloves 40 C Maximum allowable mate r...

Page 27: ...Material Housing Nickel plated alu minum Compression springs Stainless steel Materials in contact with material Stainless steel Seals in contact with material PTFE Seals without mate rial contact POM PE PTFE 10 9 Operating and auxiliary materials Material Material no Grease Tube Syn theso Glep1 100 g for seals and threads W32020010 10 10 Material specification Suitable material Water based or solv...

Page 28: ...Fig 26 Exploded view Replacement parts tools and accessories 12 2016 EcoGun 249 MSG00014EN 28 40 ...

Page 29: ...Bushing 1 M05010179 13 Needle gland 1 M08320005 14 Spring guide 1 15 Gland spring 1 16 Gland bolt 1 17 Packing washer 2 18 Ceramic needle gland 1 M08320006 19 Ceramic gland bolt 1 20 Air connection 3 8 UNI 1 M01220001 Material connection M14x1 5 1 M01220002 21 Needle 1 Ä Overview Air caps and nozzles 22 Needle spring 1 M68010250 23 Bearing 1 24 Locknut 1 25 Locknut automotive 1 26 Set screw 1 M412...

Page 30: ... 1 4 UNI 1 M01200003 35 Push on nipple for quick action coupling 1 Ä 11 3 Accessories 36 Push on nipple for quick action coupling 1 Ä 11 3 Accessories 37 Control screw automotive 1 38 Seal 1 M08280058 39 Control bush 1 40 Safety washer 1 41 Trigger 1 42 Trigger pin 1 43 Control screw 1 44 Rotary control 1 45 Color ring 1 46 Screw 1 Overview Air caps and nozzles Nozzle sets consist of needle and no...

Page 31: ... mm 1 2 21 M09800092 1 4 mm M09800093 1 6 mm M09800094 1 8 mm M09800095 2 0 mm M09800096 2 2 mm M09800097 1 4 mm M09800098 1 8 mm M09800099 2 2 mm M09800100 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 Replacement parts tools and accessories 12 2016 EcoGun 249 MSG00014...

Page 32: ...p Nozzle diameter Item no Material no 0 8 mm 2 21 M09800054 1 0 mm M09800055 1 2 mm M09800056 1 3 mm M09800088 1 4 mm for air cap LC M09800057 1 4 mm for air cap LP M09800190 1 6 mm 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 Replacement parts tools and ...

Page 33: ...g 9 1 Seal black 10 1 O ring 13x1 11 1 Assembly plug 1 Repair kit needle seal N36960023 Denomination Item no Quantity Needle gland 13 1 Spring guide 14 1 Gland spring 15 1 Gland bolt 16 1 Repair kit needle seal ceramic N36960104 Denomination Item no Quantity Packing washer 17 2 Ceramic needle gland 18 1 Ceramic gland bolt 19 1 Replacement parts tools and accessories 12 2016 EcoGun 249 MSG00014EN 3...

Page 34: ...gger 41 1 Safety washer 40 1 Trigger pin 42 1 Closure set N36960044 Denomination Item no Quantity Needle spring 22 1 Bearing 23 1 Locknut 24 1 Set screw 26 1 Closure set automotive N36960140 Denomination Item no Quantity Needle spring 22 1 Bearing 23 1 Locknut automotive 25 1 Set screw 26 1 Replacement parts tools and accessories 12 2016 EcoGun 249 MSG00014EN 34 40 ...

Page 35: ...et control set tool adjustable M21210005 Denomination Item no Quantity Seal 38 1 Control bush 39 1 Control screw automotive 37 1 Flat jet control set yellow color ring N36960121 Denomination Item no Quantity Control screw 43 1 Seal 38 1 Control bush 39 1 Rotary control 44 1 Color ring yellow 45 1 Screw 46 1 Replacement parts tools and accessories 12 2016 EcoGun 249 MSG00014EN 35 40 ...

Page 36: ...y wrench 2 1 Installation wrench 3 1 Assembly rod 4 1 Screw wrench W09010021 Denomination Item no Quantity Screw wrench SW5 5 7 1 11 3 Accessories The complete overview of the accessories is available from the Dürr Webshop Replacement parts tools and accessories 12 2016 EcoGun 249 MSG00014EN 36 40 ...

Page 37: ...tion M14x1 5 D6 d4 M58100104 Hose connection M14x1 5 D8 d6 M58100105 Push on nipple for quick action coupling Denomination Item no Material number Push on nipple for quick action coupling fixed D7 2 d10 12 EU 35 M01010185 Push on nipple for quick action fixed D5 d8 11 US M01010186 Push on nipple for quick action coupling fixed D7 5 d11 13 ASIA M01010187 Push on nipple for quick action coupling piv...

Page 38: ...nes can cause explosions in an explo sive atmosphere Serious injuries and death can be the consequence 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 Replacement parts tools and accessories 12 2016 EcoGun 249 MSG00014EN 38 40 ...

Page 39: ...12 2016 EcoGun 249 MSG00014EN 39 40 ...

Page 40: ...durr com 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 Dürr Systems AG 2016 www durr com ...

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