Durr EcoGun 910 Manuale utente
EcoGun 910
Manual Air Spray Gun Gravity-Feed
MSG00003EN, V06
N36200003V
www.durr.com
Operation manual
Information about the document
This document describes the correct han-
dling of the product.
Read the document prior to every activity.
Prepare the document for the application.
Pass on the product only together with
the complete documentation.
Always follow safety instructions, han-
dling instructions and specifications of
every kind.
Illustrations can deviate from the tech-
nical construction.
Validity range of the document
This document describes the following
product:
N36200003V
EcoGun 910
Hotline and Contact
If you have queries or would like technical
information, please contact your dealer or
sales partner.
05/2018EcoGun 910 - MSG00003EN2/32
TABLE OF CONTENTS
1 Product overview.......................... 4
1.1 Overview................................ 4
1.2 Short description.................... 4
2 Safety............................................. 4
2.1 Presentation of Notes............ 4
2.2 Intended Use.......................... 5
2.3 Residual risks......................... 5
2.4 Staff qualification.................... 6
2.5 Personal protective equip-
ment....................................... 6
3 Transport, scope of supply and
storage........................................... 6
3.1 Scope of delivery................... 6
3.2 Handling of
packaging material................. 7
3.3 Storage.................................. 7
4 Assembly....................................... 7
4.1 Requirements for the
Installation point..................... 7
4.2 Assembly............................... 7
5 Commissioning............................. 8
6 Operation....................................... 9
6.1 Safety recommendations....... 9
6.2 Checks................................. 10
6.3 Selecting air cap.................. 10
6.4 Changing the air cap............ 10
6.5 Alignment of the air cap....... 11
6.6 Guiding the spray gun.......... 12
6.7 Rinsing................................. 12
6.7.1 Safety recommendations.. 12
6.7.2 General notes................... 12
6.7.3 Rinsing spray gun............. 12
7 Cleaning and maintenance........ 13
7.1 Safety recommendations..... 13
7.2 Cleaning............................... 15
7.3 Maintenance........................ 15
7.3.1 Maintenance schedule...... 15
7.3.2 Lubrication........................ 15
8 Faults........................................... 16
8.1 Defects table........................ 16
8.2 Troubleshooting................... 17
8.2.1 Replace needle and
nozzle................................ 17
8.2.2 Replacing valve seal......... 19
8.2.3 Replace needle gland....... 20
9 Disassembly and Disposal........ 21
9.1 Safety recommendations..... 21
9.2 Disassembly......................... 21
9.3 Disposal .............................. 21
10 Technical data............................. 21
10.1 Weight................................ 21
10.2 Connections....................... 22
10.3 Operating conditions.......... 22
10.4 Emissions........................... 22
10.5 Operating values................ 22
10.6 Type plate.......................... 22
10.7 Materials used.................... 23
10.8 Operating and auxiliary
materials............................ 23
10.9 Material specification......... 23
11 Replacement parts and acces-
sories........................................... 24
11.1 Spare part.......................... 24
11.2 Tools.................................. 29
11.3 Accessories........................ 30
11.4 Order.................................. 31
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1 Product overview
1.1 Overview
Fig. 1: Overview
1 Cup connection
2 Flat jet control
3 Air cap conventional (CF)/LVLP (LF)
4 Self-adjusting needle package
5 Trigger
6 Air control
7 Locknut
8 Stop screw
9 Air connection
1.2 Short description
The spray gun is using compressed air to
coat surfaces. The spray gun is handheld.
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”
Spray width Ä 5 “Commissioning”
The spray gun uses a self-adjusting needle
package. This self-adjusts for the material
related wear of the sealing package.
2 Safety
2.1 Presentation of Notes
The following notes can appear in this
instructions manual.
DANGER!
High risk situation that can lead to serious
injuries or death.
WARNING!
Medium risk situation that can lead to
serious injuries or death.
CAUTION!
Low risk situations that can lead to minor
injuries.
NOTICE!
Situations that can lead to material
damage.
ENVIRONMENT!
Situations that can lead to environmental
damage.
Contains additional information and
recommendations.
Product overview
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2.2 Intended Use
The spray gun EcoGun 910 is used exclu-
sively for spraying water-based paint and
conventional solvent-based paint. It is hand
guided and uses compressed air.
The EcoGun 910 spray gun may only be
operated in the approved EX-zones and
within the approved technical data Ä 10
“Technical data”.
The EcoGun 910 spray gun is only intended
for use in application stations.
Misuse
There is a risk of death if not used properly.
Misuses include, e. g.:
Aiming the spray gun at humans or ani-
mals.
Atomization of fluid nitrogen
Combination of the spray gun with com-
ponents that are not approved by
Dürr Systems for operation.
Use of unapproved materials, see safety
data sheets
Making conversions or changes on your
own
Use of spray guns not conforming to the
device category in Ex zones.
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 the spray gun.
Only use conductive hoses.
Ensure that static electricity can be dis-
charged.
Use exclusively compressed air quick
couplings for water-based materials,
where it is not necessary to keep dis-
charging static electrical charges.
2.3 Residual risks
Explosion
Sparks, open flames and hot surfaces can
cause explosions in explosive atmospheres.
Serious injuries and death can be the conse-
quence.
Before carrying out any work, ensure a
non-explosive atmosphere.
Do not use sources of ignition and open
light.
Do not smoke.
Ground the product.
Ground the work piece.
Only use conductive lines.
Flammable coating materials and their deter-
gents and cleaning agents can cause a fire
or an explosion.
Ensure that the flashpoint of the fluid is at
least 15 K above the ambient tempera-
ture.
Note explosion group of the fluid.
Follow safety data sheets.
Ensure that forced ventilation and fire
protection equipment are in operation.
Do not use any sources of ignition and
open light.
Do not smoke.
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.
Follow safety data sheets.
Wear specified protective equipment.
Escaping material
Material escaping under pressure can cause
serious injuries.
Safety
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Before working on the product:
Disconnect the system with the product
from compressed air and material supply.
Relieve the lines.
Secure the system against reconnection.
Noise
The noise during normal operation may
cause severe hearing damage.
Wear hearing protection.
Do not spend more time then necessary
in the work area.
Hot surfaces
During normal operation the surfaces of
components can get extremely hot. Contact
with it can cause burns.
Before carrying out any work:
Check the temperature.
Do not touch hot surfaces.
Let components cool down.
Wear protective gloves.
2.4 Staff qualification
WARNING!
Inadequate qualification
Wrong estimation of dangers can cause
serious injury or death.
– Only sufficiently qualified persons may
execute all work.
– Some work requires additional qualifi-
cation. Additional qualifications are
marked with a “+”.
This document is intended for qualified per-
sonnel in the industry.
Operator
The operator is trained specifically for the
field of work in which he works.
Furthermore, the operator possesses the fol-
lowing knowledge:
Technical Measures for occupational
safety and health
The operator is responsible for the following
work:
Operate and monitor the system/ product.
Introduce measures in the event of faults.
Clean system/ product.
+ additional qualification explosion pro-
tection
In addition to the knowledge of the various
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”.
2.5 Personal protective equipment
When working in explosive areas, the pro-
tective clothing, including gloves, must meet
the requirements of DIN EN 1149-5. Foot-
wear must meet the requirements of EN ISO
20344. The insulation resistor must not
exceed 100 MΩ.
Wear the specified personal protective
equipment when working. Provide the fol-
lowing personal protective equipment:
3 Transport, scope of supply
and storage
3.1 Scope of delivery
The scope of supply includes the following
components:
Spray gun
Tool kit Ä 11.2 “Tools”
Inspect delivery on receipt for completeness
and integrity.
Transport, scope of supply and storage
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Report defects immediately Ä “Hotline and
Contact”.
3.2 Handling of packaging material
ENVIRONMENT!
Incorrect disposal
Incorrectly disposed packaging material
can damage environment.
– Dispose of material no longer required
in an environment-friendly manner.
–Observe local disposal specifications.
3.3 Storage
Requirements for the warehouse:
Do not store outdoors.
Store in a dry and 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%
4 Assembly
4.1 Requirements for the
Installation point.
It must be possible to disconnect the
compressed air supply to the spray gun
and secure it 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 technical venti-
lation.
Working environment and grounding
Flooring of the working areas must be anti-
static, according to DIN EN
50050-1:2014-03, measurement according
to DIN EN 1081:1998-04.
4.2 Assembly
Personnel:
Operator
+ additional qualification explosion pro-
tection
Protective equipment:
Protective workwear
Protective gloves
1. WARNING!
Sources of ignition may cause explo-
sions!
Ensure a non-explosive atmosphere.
Fig. 2: Assembly
2. Screw the feed cup onto the thread of the
cup connection (1).
3. Connect the air hose to the air supply (2).
4. Check air hose for correct connection.
Assembly
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5 Commissioning
Personnel:
Operator
+ additional qualification explosion pro-
tection
Protective equipment:
Protective gloves
Safety boots
Protective workwear
Eye protection
Respiratory protection device
Use ear protection
Requirements:
Feed cup and air hose have been con-
nected Ä 4.2 “Assembly”.
Fig. 3: Commissioning
1. Rinse the spray gun before filling it with
paint Ä 6.7 “Rinsing”:
use solvent for solvent-based paints
use water for water-based paints
2. Set air control lever (1) into vertical posi-
tion.
Setting the spray pattern
Fig. 4: Setting the material flow
1. Set the material flow.
Loosen locknut (1).
Turn set screw (2) in required direc-
tion.
Right turn: less material
Left turn: more material
Tighten the locknut (1).
Commissioning
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Fig. 5: Setting air flow
2. Set air flow.
Set air flow control lever (A) to “min-
imum”.
Increase flow slowly.
You can regulate the air continu-
ously from “minimum” (A) to
“maximum” (C).
3. Set the spray width by turning the flat jet
setting (1).
Right turn: Min. flat jet
Left turn: Max. flat jet
You can turn the flat jet continu-
ously 270° and adjust the spray
from flat to round jet.
Characteristic curves
The characteristic curves show the air flow
depending on the air pressure
Fig. 6: Characteristic curve
CF Conventional air cap
LF Air cap LVLP
6 Operation
6.1 Safety recommendations
WARNING!
Danger of explosion due to chemical
reactions
Material, halogenated hydrocarbon-based
rinsing agent or cleaning agent can chemi-
cally react with aluminum components of
the product. Chemical reactions can
cause explosions. Serious injuries and
death can be the consequence.
– Only use rinsing agents and cleaning
agents that do not contain any halo-
genated hydrocarbons.
NOTICE!
Material damage due to dried material
residues
If material residues dry in the product, that
can harm components.
– Rinse product immediately after each
use.
Operation
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6.2 Checks
1. Perform the 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 from a con-
ventional spray gun to a LVLP spray gun by
swapping the air cap.
Conventional air cap (CF)
The conventional air cap is used for decora-
tive surfaces and an application with more
focus on the atomization.
Conventional air cap features:
Mist arm
Fine atomization
Transfer rate > 65 %
Average air consumption 240 l/min
Air cap LVLP (LF)
The air cap LVLP is used for applications
requiring a good transfer rate and spray pat-
tern.
Air cap LVLP
Mist arm
Transfer rate > 75 %
Average air consumption 300 l/min
6.4 Changing the air cap
Personnel:
Operator
+ additional qualification explosion pro-
tection
Protective equipment:
Protective workwear
Protective gloves
Removing the air cap
Fig. 7: Loosen cap nut.
1. Loosen the cap nut (1) by a ¼ turn coun-
terclockwise.
Fig. 8: Removing the air cap
2. Remove the air cap (1).
Assembling the air cap
Fig. 9: Placing the air cap
3. Place the air cap (1).
Operation
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