TW Gema OptiSelect User manual

En
Operating instructions and spare parts list
OptiSelect
Manual powder gun

V 07/07
Documentation OptiSelect manual powder gun
© Copyright 2006 ITW Gema AG
All rights reserved.
This publication is protected by copyright. Unauthorized copying is pro-
hibited by law. No part of this publication may be reproduced, photocop-
ied, translated, stored on a retrieval system or transmitted in any form or
by any means for any purpose, neither as a whole nor partially, without
the express written consent of ITW Gema AG.
OptiTronic, OptiGun, EasyTronic, EasySelect, OptiFlow and Super-
Corona are registered trademarks of ITW Gema AG.
OptiMatic, OptiMove, OptiMaster, OptiPlus, MultiTronic and Gematic are
trademarks of ITW Gema AG.
All other product names are trademarks or registered trademarks of their
respective holders.
Reference is made in this manual to different trademarks or registered
trademarks. Such references do not mean that the manufacturers con-
cerned approve of or are bound in any form by this manual. We have en-
deavored to retain the preferred spelling of the trademarks, and regis-
tered trademarks of the copyright holders.
To the best of our knowledge and belief, the information contained in this
publication was correct and valid on the date of issue. ITW Gema AG
makes no representations or warranties with respect to the contents or
use of this publication and reserves the right to revise this publication and
make changes to its content without prior notice.
Printed in Switzerland
ITW Gema AG
Mövenstrasse 17
9015 St. Gallen
Switzerland
Phone: [phone]
Fax.: [phone]
E-Mail: [email protected]
Homepage: www.itwgema.ch

V 07/07
OptiSelect manual powder gun Table of contents •1
Table of contents
General safety regulations 3
Safety symbols (pictograms)...................................................................................3
Conformity of use....................................................................................................3
Technical safety regulations for stationary electrostatic powder spraying equip-
ment ........................................................................................................................4
General information ...................................................................................4
Safety conscious working ..........................................................................5
Individual safety regulations for the operating firm and/or operating per-
sonnel.........................................................................................................5
Notes on special types of hazard............................................................... 6
Safety requirements for electrostatic powder coating................................7
A summary of the rules and regulations ....................................................8
Product specific safety precautions ........................................................................9
About this manual 11
General information ..............................................................................................11
Function description 13
Field of application ................................................................................................13
Typical characteristics...........................................................................................13
Scope of delivery ..................................................................................................14
OptiSelect manual powder gun................................................................14
OptiSelect manual powder gun.............................................................................14
Structure...................................................................................................14
High voltage generation ...........................................................................15
Circuit .......................................................................................................15
Powder flow and rinsing air......................................................................15
Remote control by gun.............................................................................15
Spray nozzles........................................................................................................16
Standard-Set............................................................................................16
Nozzle 150 mm ........................................................................................16
Nozzle 300 mm ........................................................................................16
Flat jet nozzle with vented central electrode............................................17
Round jet nozzle with vented deflector and vented central electrode .....17
SuperCorona kit ....................................................................................................18
Field of application ...................................................................................18
Scope of delivery .....................................................................................18
SuperCorona assembly ...........................................................................19
Technical Data 21
OptiSelect manual powder gun.............................................................................21
Electrical data ..........................................................................................21
Start-up and operation 23
Connecting guide ..................................................................................................23
Function check ......................................................................................................24

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2 •Table of contents OptiSelect manual powder gun
Start-up ................................................................................................................. 25
Switch on the control unit ........................................................................ 25
Maintenance and cleaning 27
Daily maintenance ................................................................................................ 27
Weekly maintenance ............................................................................................ 27
Cleaning................................................................................................................ 27
Cleaning the OptiSelect manual powder gun .......................................... 27
Cleaning the spray nozzles ..................................................................... 28
Dismantling the gun.............................................................................................. 29
Dismantling the gun................................................................................. 29
Replacing the powder gun cable ............................................................. 31
Assembling the gun ................................................................................. 32
Replacing parts........................................................................................ 32
Troubleshooting guide 33
General information .............................................................................................. 33
Spare parts list 35
Ordering spare parts............................................................................................. 35
OptiSelect manual powder gun - spare parts list.................................................. 36
Remarks .................................................................................................. 36
OptiSelect manual powder gun - spare parts list.................................................. 37
OptiSelect manual powder gun - spare parts list (cont.) ...................................... 38
OptiSelect manual powder gun - nozzle combinations ........................................ 39
OptiSelect manual powder gun - SuperCorona.................................................... 40
OptiSelect manual powder gun - accessories ...................................................... 41
OptiSelect flat jet nozzles - overview....................................................... 41
OptiSelect round jet nozzles - overview .................................................. 42
OptiSelect gun extensions and SuperCorona ......................................... 43
Powder hoses - overview ........................................................................ 44
Powder hose connectors - overview ....................................................... 45
Miscellaneous parts................................................................................. 46

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OptiSelect manual powder gun General safety regulations •3
General safety regulations
This chapter sets out the fundamental safety regulations that must be fol-
lowed by the user and third parties using the OptiSelect manual powder
gun.
These safety regulations must be read and understood before the
OptiSelect manual powder gun is used.
Safety symbols (pictograms)
The following warnings with their meanings can be found in the operating
instructions. The general safety precautions must also be followed as
well as the regulations in these operating instructions.
DANGER!
danger due to live electricity or moving parts. Possible consequences:
Death or serious injury
WARNING!
Improper use of the equipment could damage the machine or cause it to
malfunction. Possible consequences: minor injuries or damage to equip-
ment
INFORMATION!
useful tips and other information
Conformity of use
1. The OptiSelect manual powder gun is built to the latest specifica-
tion and conforms to the recognized technical safety regulations.
It is designed for the normal application of powder coating.
2. Any other use beyond this is not intended. The manufacturer is
not responsible for any damage resulting from this; the risk for
this is carried by the user alone. If the OptiSelect manual powder
gun is to be used for other purposes or other substances outside
of our guidelines then ITW Gema AG should be consulted.
3. Observance of the operating, service and maintenance instruc-
tions specified by the manufacturer is also part of the conformity
of use. The OptiSelect manual powder gun should only be used,

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4 •General safety regulations OptiSelect manual powder gun
maintained and started up by trained personnel who are informed
about and are familiar with the possible hazards involved.
4. The start-up (i.e. the execution of a particular operation) is for-
bidden until it has been established that the OptiSelect manual
powder gun has been set up and wired according to the guide-
lines for machinery (98/37/EG). EN 60204-1 (machine safety)
must also be observed.
5. Unauthorized modifications to OptiSelect manual powder gun
exempts the manufacturer from any liability from resulting dam-
age.
6. The relevant accident prevention regulations, as well as other
generally recognized safety regulations, occupational health and
structural regulations, are to be observed.
7. Furthermore, the country-specific safety regulations must be ob-
served.
Explosion protection Protection type Temperature class
II 2 D IP64 T6 (gun)
Technical safety regulations for stationary electro-
static powder spraying equipment
General information
The powder spraying equipment from ITW Gema is designed with safety
in mind and is built according to the latest technological specifications.
This equipment can be dangerous if it is not used for its specified pur-
pose. Consequently it should be noted that there exists a danger to life
and limb of the user or third party, a danger of damage to the equipment
and other machinery belonging to the user and a hazard to the efficient
operation of the equipment.
1. The powder spraying equipment should only be started up and
used once the operating instructions have been carefully studied.
Improper use of the controlling device can lead to accidents, mal-
function or damage to the control itself.
2. Before every start-up check the equipment for operational safety
(regular servicing is essential)!
3. Safety regulations BGI 764 and VDE regulations DIN VDE 0147,
Part 1, must be observed for safe operation.
4. Safety precautions specified by local legislation must be ob-
served.
5. The plug must be disconnected before the machine is opened for
repair.
6. The plug and socket connection between the powder spraying
equipment and the mains network should only be taken out when
the power is switched off.
7. The connecting cable between the controlling device and the
spray gun must be set up so that it cannot be damaged during

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OptiSelect manual powder gun General safety regulations •5
operation. Safety precautions specified by local legislation must
be observed!
8. Only original ITW-Gema spare parts should be used, because
the explosion protection will also be preserved that way. Damage
caused by other parts is not covered by guarantee.
9. If ITW-Gema powder spraying equipment is used in conjunction
with machinery from other manufacturers then their safety regu-
lations must also be taken into account.
10. Before starting work familiarize yourself with all installations and
operating elements, as well as with their functions! Familiariza-
tion during operation is too late!
11. Caution must be exercised when working with a powder/air mix-
ture! A powder/air mixture in the right concentration is flammable!
Smoking is forbidden in the entire plant area!
12. As a general rule for all powder spraying installations, persons
with pacemakers should never enter high voltage areas or areas
with electromagnetic fields. Persons with pacemakers should not
enter areas with powder spraying installations!
WARNING!
We emphasize that the customer himself is responsible for the safe
operation of equipment. ITW-Gema is in no way responsible for any
resulting damages!
Safety conscious working
Each person responsible for the assembly, start-up, operation, service
and repair of powder spraying equipment must have read and under-
stood the operating instructions and the "Safety regulations"-chapter. The
operator must ensure that the user has had the appropriate training for
powder spraying equipment and is aware of the possible sources of dan-
ger.
The control units for the spray guns must only be set up and used in zone
22. The spray guns are permitted in the zone 21 created by them.
The powder spraying equipment should only be used by trained and au-
thorized personnel. This applies to modifications to the electrical equip-
ment, which should only be carried out by a specialist.
The operating instructions and the necessary closing down procedures
must be followed before any work is carried out concerning the set-up,
start-up, operation, modification, operating conditions, mode of operation,
servicing, inspection or repairs.
The powder spray equipment can be turned off by using the main switch
or failing that, the emergency shut-down. Individual components can be
turned off during operation by using the appropriate switches.
Individual safety regulations for the operating
firm and/or operating personnel
1. Any operating method which will negatively influence the techni-
cal safety of the powder spraying equipment is to be avoided.
2. The operator should care about no non-authorized personnel
works on the powder spraying equipment (e.g. this also includes
using the equipment for non-conform work).

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6 •General safety regulations OptiSelect manual powder gun
3. For dangerous materials, the employer has to provide an operat-
ing instructions manual for specifying the dangers arising for hu-
mans and environment by handling dangerous materials, as well
as the necessary preventive measures and behavior rules. The
operating instructions manual has to be written in an under-
standable form and in the language of the persons employed,
and has to be announced in a suitable place in the working area.
4. The operator is under obligation to check the powder spraying
equipment at least once every shift for signs of external damage,
defects or changes (including the operating characteristics)
which could influence safety and to report them immediately.
5. The operator is obliged to check that the powder spraying
equipment is only operated when in satisfactory condition.
6. As far as it is necessary, the operating firm must ensure that the
operating personnel wear protective clothing (e.g. facemasks).
7. The operating firm must guarantee cleanliness and an overview
of the workplace with suitable instructions and checks in and
around the powder spraying equipment.
8. No safety devices should be dismantled or put out of operation. If
the dismantling of a safety device for set-up, repair or servicing is
necessary, reassembly of the safety devices must take place
immediately after the maintenance or repair work is finished. The
powder spraying device must be turned off while servicing is car-
ried out. The operator must train and commit the responsible
personnel to this.
9. Activities such as checking powder fluidization or checking the
high-voltage spray gun etc. must be carried out with the powder
spraying equipment switched on.
Notes on special types of hazard
Power
It is necessary to refer once more to the danger of life from high-voltage
current if the shut-down procedures are not observed. High voltage
equipment must not be opened - the plug must first be taken out - other-
wise there is danger of electric shock.
Powder
Powder/air mixtures can be ignited by sparks. There must be sufficient
ventilation in the powder coating booth. Powder lying on the floor around
the powder spraying device is a potentially dangerous source of slipping.
Static charges
Static charges can have the following consequences: Charges to people,
electric shocks, sparking. Charging of objects must be avoided - see
"Earthing".
Grounding/Earthing
All electricity conducting parts and machinery found in the workplace (ac-
cording to DIN VDE 0745, part 102) must be earthed 1.5 meters either
side and 2.5 meters around each booth opening. The earthing resistance
must amount to maximally 1 MOhm. The resistance must be tested on a
regular basis. The condition of the machinery surroundings as well as the

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OptiSelect manual powder gun General safety regulations •7
suspension gear must ensure that the machinery remains earthed. If the
earthing of the machinery includes the suspension arrangements, then
these must constantly be kept clean in order to guarantee the necessary
conductivity. The appropriate measuring devices must be kept ready in
the workplace in order to check the earthing.
Compressed air
When there are longer pauses or stand-still times between working, the
powder spraying equipment should be drained of compressed air. There
is a danger of injury when pneumatic hoses are damaged and from the
uncontrolled release and improper use of compressed air.
Crushing and cutting
During operation, moving parts may automatically start to move in the
operating area. It must be ensured that only instructed and trained per-
sonnel go near these parts. The operator should ensure that barriers
comply with the local security regulations.
Access under exceptional circumstances
The operating firm must ensure that local conditions are met when re-
pairs are made to the electronic parts or when the equipment is restarted
so that there are additional measures such as barriers to prevent unau-
thorized access.
Prohibition of unauthorized conversions and modifica-
tions to machines
All unauthorized conversions and modifications to electrostatic spraying
equipment are forbidden for safety reasons.
The powder spraying equipment should not be used if damaged, the
faulty part must be immediately replaced or repaired. Only original ITW-
Gema replacement parts should be used. Damage caused by other parts
is not covered by guarantee.
Repairs must only be carried out by specialists or in ITW-Gema work-
shops. Unauthorized conversions and modifications may lead to injury or
damage to machinery. The ITW Gema AG guarantee would no longer be
valid.
Safety requirements for electrostatic powder
coating
1. This equipment is dangerous if the instructions in this operating
manual are not followed.
2. All electrostatic conductive parts, in particular the machinery
within 5 meters of the coating equipment, must be earthed.
3. The floor of the coating area must conduct electricity (normal
concrete is generally conductive).
4. The operating personnel must wear electricity conducting foot-
wear (e.g. leather soles).
5. The operating personnel should hold the gun with bare hands. If
gloves are worn, these must also conduct electricity.
6. The supplied earthing cable (green/yellow) must be connected to
the earthing screw of the electrostatic powder spraying hand ap-
pliance. The earthing cable must have a good metallic connec-

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8 •General safety regulations OptiSelect manual powder gun
tion with the coating booth, the recovery unit and the conveyor
chain and with the suspension arrangement of the objects.
7. The electricity and powder supply to the hand guns must be set
up so that they are fully protected against heat and chemical
damage.
8. The powder coating device may only be switched on once the
booth has been started up. If the booth cuts out then the powder
coating device must be switched off.
9. The earthing of all electricity conducting devices (e.g. hooks,
conveyor chains) must be checked on a weekly basis. The
earthing resistance must amount to maximally 1 MOhm.
10. The control device must be switched off if the hand gun is
cleaned or the nozzle is changed.
11. When working with cleaning agents there may be a risk of haz-
ardous fumes. The manufacturers instructions must be observed
when using such cleaning agents.
12. The manufacturers instructions and the applicable environmental
requirements must be observed when disposing of powder lac-
quer and cleaning agents.
13. If any part of the spray gun is damaged (broken parts, tears) or
missing then it should not be used.
14. For your own safety, only use accessories and attachments listed
in the operating instructions. The use of other parts can lead to
risk of injury. Only original ITW-Gema replacement parts should
be used.
15. Repairs must only be carried out by specialists and under no cir-
cumstances should they be carried out in the operating area. The
former protection must not be reduced.
16. Conditions leading to dangerous levels of dust concentration in
the powder spraying booths or in the powder spraying areas
must be avoided. There must be sufficient technical ventilation
available, to prevent a dust concentration of more than 50% of
the lower explosion limit (UEG) (UEG = max. permissible pow-
der/air concentration). If the UEG is not known then a value of 10
g/m³ should be used.
A summary of the rules and regulations
The following is a list of relevant rules and regulations which are to be
observed:
Guidelines and regulations, German professional asso-
ciation
BGV A1 Prevention principles
BGV A3 Electrical equipment and material
BGI 764 Electrostatic coating
BGR 132 Guidelines for the avoidance of the dangers of ignition
due to electrostatic charging (guideline "Static Electric-
ity")
VDMA 24371 Guidelines for electrostatic coating with synthetic pow-
der1)
- Part 1 General requirements
- Part 2 Examples of use

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OptiSelect manual powder gun General safety regulations •9
EN European standards
RL94/9/EC The approximation of the laws of the Member States
relating to apparatus and safety systems for their in-
tended use in potentially explosive atmospheres
EN 12100-1
EN 12100-2
Machine safety 2)
EN IEC 60079-0 Electrical equipment for locations where there is danger
of explosion 3)
EN 50 050 Electrical apparatus for potentially explosive atmos-
pheres - electrostatic hand-held spraying equipment 2)
EN 50 053, part 2 Requirements for the selection, installation and use of
electrostatic spraying equipment for flammable materi-
als - hand-held electrostatic powder spray guns 2)
EN 50 177 Stationary electrostatic spraying equipment for flamma-
ble coating powder 2)
EN 12981 Coating plants - spray booths for application of organic
powder coating material - safety requirements
EN 60 529, identi-
cal: DIN 40050
IP-Type protection: contact, foreign bodies and water
protection for electrical equipment 2)
EN 60 204 identi-
cal: DIN VDE 0113
VDE regulations for the setting up of high voltage elec-
trical machine tools and processing machines with
mains voltages up to 1000 V 3)
VDE (Association of German Engineers) Regulations
DIN VDE 0100 Regulations for setting-up high voltage equipment with
mains voltages up to 1000 V 4)
DIN VDE 0105
part 1
part 4
VDE regulations for the operation of high voltage equip-
ment 4)
General regulations
Supplementary definitions for stationary electrical spray-
ing equipment
DIN VDE 0147
part 1
Setting up stationary electrostatic spraying equipment 4)
DIN VDE 0165 Setting up electrical equipment in locations in areas with
danger of explosion 4)
*Sources:
1) Carl Heymanns Verlag KG, Luxemburger Strasse 449, 5000 Köln 41,
or from the appropriate employers association
2) Beuth Verlag GmbH, Burgrafenstrasse 4, 1000 Berlin 30
3) General secretariat, Rue Bréderode 2, B-1000 Bruxelles, or the appro-
priate national committee
4) VDE Verlag GmbH, Bismarckstrasse 33, 1000 Berlin 12
Product specific safety precautions
- The installation work, to be done by the customer, must be
carried out according to local regulations
- Before starting up the plant, check if no foreign objects are in
the booth or in the ducting (input and exhaust air)
- It must be observed, that all components of the plant are
grounded according to the local regulations

V 07/07
OptiSelect manual powder gun About this manual •11
About this manual
General information
This operating manual contains all the important information which you
require for the working with the OptiSelect manual powder gun. It will
safely guide you through the start-up process and give you references
and tips for the optimal use of your new powder coating system.
Information about the function mode of the individual system components
- booth, gun control unit, manual gun or powder injector - should be ref-
erenced to their corresponding documents.

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OptiSelect manual powder gun Function description •13
Function description
Field of application
The OptiSelect manual powder gun is built exclusively for the electro-
static coating with organic powders. Any other use beyond this is not in-
tended. The manufacturer is not responsible for any damage resulting
from this; the risk for this is assumed by the user alone!
The extremely light OptiSelect manual powder gun with integrated high
voltage generation can produce optimum penetration and high charging
efficiency. The patented vented central electrode allows a high, constant
transfer efficiency and a high coating efficiency. The gun is detachable,
therefore easy for maintenance and repair.
Typical characteristics
- Ergonomic construction
- Weight-optimized (520 gr.) with solid construction
- Gun balanced to reduce hand fatigue during coating opera-
tion
- Hermetically sealed construction, no powder penetration
- Powder tube integrated in the gun body with knee piece re-
sistant to wear and powder depositions
- Remote control increases coating flexibility by independent
adjustment of the application parameters
- Powder hose quick release connector with grounding con-
nection
- Integrated high voltage cascade
- Integrated electrode rinsing air
- Grounded, ergonomic gun handle
- Easy one finger guided trigger
- Nozzles and extensions are compatible with OptiGun auto-
matic gun and EasySelect manual powder gun
- The OptiSelect manual powder gun can be disassembled
easily and is maintenance and repair-friendly
- Optional extension with SuperCorona kit

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14 •Function description OptiSelect manual powder gun
Scope of delivery
OptiSelect manual powder gun
- An OptiSelect manual powder gun with gun cable, 6 m
- Rinsing air hose, 6 m
- Flat jet nozzle, complete
- Round jet nozzle with deflector kit (Ø 16, 24 and 32 mm)
- Cable binder with Velcro closure
- Gun cleaning brush
- Spare parts kit
OptiSelect manual powder gun
Structure
1 Spray nozzle 9 Gun handle
2 Threaded sleeve 11 Gun cable
3 Gun body 15 Powder hose connection
5 Mounting hook (exchangeable) 16 Rinsing air connection
6 Cover with remote control 17 Trigger
7 Remote control keys 19 Powder hose quick release
connection
1
2
3
5
6
17
16
11
9
19
15
7

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OptiSelect manual powder gun Function description •15
High voltage generation
The control unit supplies a high-frequency low-voltage signal of approxi-
mately 10 V rms. This voltage is fed through the gun cable (11) to the
high voltage cascade (4) in the gun body.
In the high voltage cascade (4), the low-voltage is high-transformed in a
first step (c). This primary high voltage is subsequently rectified and mul-
tiplied in the high voltage cascade in a second step (d), until the required
high voltage is obtained at the end (approx. 100 kV). The high voltage is
now fed to the electrode within the spray nozzle (e).
Circuit
In addition to the modulated low voltage needed for high voltage genera-
tion, there are signal lines fed trough the gun cable. The control signals
are used for monitoring gun trigger status and gun remote control func-
tions.
The gun is released by a reed switch, which is operated by a magnet in
the trigger (17). The control unit switches the modulated low voltage,
powder conveying, and the rinsing air on.
OptiSelect manual powder gun - circuit
Powder flow and rinsing air
The rinsing air, used by the vented spray nozzle, is connected with its
designated connection on the rear of the gun control unit (see operating
instructions of the powder gun control unit). The functions of the spray
nozzles are described in the corresponding section of this manual.
Remote control by gun
Various functions can be remotely controlled with the +and -keys on the
rear side of the powder gun (OptiSelect gun type):
17
11
4
c d e
Magnet
Reed switch

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16 •Function description OptiSelect manual powder gun
- Modify the powder output (press the +or -key on the gun).
The powder output will be increased or decreased accord-
ingly. The keys only change the value of powder output (in%)
- Change application modes (Preset and Program Mode) by
pressing the +and -keys on the gun at the same time. The
change takes place counterclockwise. Check by observing
the key LEDs on the control unit
Note:
By pressing one of the keys, the preset values will be displayed
versus the actual values!
Spray nozzles
Standard-Set
Nozzle 150 mm
(not part of the standard set, available separately, see spare parts
list)
Nozzle 300 mm
not shown (not part of the standard set, available separately, see
spare parts list)
Flat jet nozzle with
vented central
electrode
Round jet nozzle with
deflector and vented
central electrode
Extended flat jet nozzle
with vented central
electrode
Extended round jet nozzle
with vented deflector and
vented central electrode

V 07/07
OptiSelect manual powder gun Function description •17
Flat jet nozzle with vented central electrode
The vented flat jet nozzle serves for atomizing and charging of the pow-
der. The powder cloud obtains an oval spray pattern by the slot-shaped
opening. The powder is charged by the central electrode. The high volt-
age, which is created in the gun cascade, is conducted through the black
contact ring of the nozzle holder to the central electrode.
In order to prevent powder from sintering on the electrode, compressed
air is used during the spray process. The compressed air (called rinsing
air) is fed through the small hole in the black contact ring of the nozzle
holder and into the electrode holder.
The rinsing air adjustment on the gun control unit is explained in the cor-
responding operating manual.
Round jet nozzle with vented deflector and
vented central electrode
The vented deflector is used, to give the powder stream emerging from
the gun, a cloud formation. The powder is charged by the central elec-
trode. The high voltage, which is created in the gun cascade, is con-
ducted through the black contact ring of the nozzle holder to the central
electrode.
Since powder can accumulate on the rear side of the deflector, this must
be rinsed with compressed air. The rinsing air is fed through the small
hole in the black contact ring of the nozzle holder into the electrode
holder, and is driven in such a way, that it flows over the surface of the
deflector rear side. The rinsing air cleaning ability depends on the powder
and its sintering ability.
The rinsing air adjustment on the gun control unit is explained in the cor-
responding operating manual.
High voltage
Rinsing air
High voltage
Rinsing air

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18 •Function description OptiSelect manual powder gun
SuperCorona kit
Field of application
SuperCorona is an optional extension for the OptiSelect manual powder
gun, which allows better surface quality when spraying with powder coat-
ing equipment.
When coating wheel rims, drawers, radiators, lamps etc. the surface
quality is exceptional, also in places with higher coating layer require-
ments. By coating with several powder types, an "orange peel" finish can
be completely avoided. By coating with structure powder, the "picture
frame effect" is hardly visible.
The performance of the OptiSelect manual powder gun with Super-
Corona is convincing due to its very good charging and very high deposi-
tion rate as well as an improved penetration in Faraday cages. The dis-
tance between nozzle and workpiece can be reduced to 100 mm without
influencing the surface finish.
SuperCorona - retrofit
Due to its modular structure, the OptiSelect manual powder gun can be
fast and easily extended with the light SuperCorona (approx. 60 g). With
the additional SuperCorona ring attached to the OptiSelect gun it remains
repair-friendly and easy for maintenance.
Scope of delivery
The SuperCorona conversion kit consists of:
1 SuperCorona connection 2 SuperCorona ring
2
1