SAMES KREMLIN SRV 028-2-TWIN 60 Manual de usuario
Revision index : C - 1/29/97 Code : RT 6076
Sames
INSTRUCTION MANUAL
SRV 028-2-TWIN 60°- STD US
SPRAY GUN (Ang)
855 457
The information and characteristics given in this user manual are not binding and SAMES reserves the right to modify its models.
established by : checked by : checked by : approved by :
SAIA Sa. DI GIOIA M. GOISOT G. VEYRAT D.
Nature of the modification : Added plate CO2-1.
From February 1st, 2017 SAMES Technologies SAS becomes SAMES KREMLIN SAS
A partir du 1/02/17, SAMES Technologies SAS devient SAMES KREMLIN SAS
Revision index : C - 1/29/97 - 2 - Code : RT 6076
Revision index : C - 1/29/97 - 3 - Code : RT 6076
TABLE OF CONTENTS Page
1. DESCRIPTION.............................................................................................................................4
2. INSTALLATION............................................................................................................................7
3. COMMISSIONING.......................................................................................................................9
4. MAINTENANCE..........................................................................................................................10
5. TROUBLESHOOTING................................................................................................................11
6. SPARE PARTS :
- BF1-3 - SRV 028-2 / UHT 151 RM / BSR 164-P / US.................................................................12
- BF1-4 - SRV 028-2 / UHT 151 RM / BSR 164-P / US.................................................................13
- BF2-3 - DISMANTLING AND RE-ASSEMBLY OF THE SRV 028-2-TWIN 60°SPRAY GUN....14
- BF2-4 - DISMANTLING AND RE-ASSEMBLY OF THE SRV 028-2-TWIN 60°SPRAY GUN....15
- BF3-1 - SRV 028 / BSR 164-PI / US SPRAY GUN - 855 459.................................................... 16
- BF4-1 - DISMANTLING AND RE-ASSEMBLY OF THE SRV 028-2 (US) SPRAY GUN............ 17
- BF5 - REPLACEMENT OF LOW VOLTAGE CABLE OR SOCKET........................................... 18
- BF6-1 - INTERNAL CONNECTIONS OF THE SRV 028-2 SPRAY GUN...................................19
- CO1-1 - HIGH VOLTAGE UNIT 151-RM - 757 474.................................................................... 20
- CO2-1 - CONNECTION DIAGRAM : SRV 028-2 SPRAY GUN / UHT 151- RM.........................21
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Fig. 1.
1.2 - TECHNICAL SPECIFICATIONS
1.2.1 - High Voltage Generator
• Max. supply voltage................................................................................. 22 V.
• Max. supply current................................................................................. 0.8 A.
• Max. output voltage................................................................................100 kV.
• Max. output current................................................................................ 200 µA.
• Polarity..................................................................................................negative.
1 - DESCRIPTION
1.1 - OVERVIEW
(Refer to Fig.1)
The SRV 028-2Twin 60°spray gun comprises the following elements:
• two SRV 028 guns [A],
• a high voltage generator [B],
• the linking cable [C] which links the GND 504-B unit (not described in the documentation) to the
high voltage generator,
• pneumatic pipes (diam. 5/6 mm) and powder feed pipes (diam.10/14).
Sames
A
B
C
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1.2.2 - SRV 028 Guns
• Max. recommended powder flow.......................................25 kg/h/gun (i.e. 50 kg/h/2 guns).
• Max. recommended output current...................................... 30 µA/gun (i.e. 60 µA/2 guns).
1.2.3 - Dimensions
(Refer to Fig.2)
• Length of powder spray gun..............................................................................375 mm.
• Distance between spraying point to spray gun axis ..........................................92 mm.
• SRV 028 gun orientation ...................................................................................60°.
Fig. 2.
60°
92
375
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1.3 - Operating Principle of Powder Spray Gun
(Refer to Fig.3)
The SRV 028-2-Twin 60°spray gun operates on the "corona" effect principle. An ionizing electrode [A]
located at the end of the spray gun and is connected to a high negative potential. Air is ionized by the
electrode which is surrounded by the intense electric field.
The emitted ions follow the magnetic field pattern and reach the part being painted. Powder is charged
when it passes through the ionized electric field.
In order to ensure that the powder sticks to the part being painted, the latter must be a good conductor
(or semi-conductor) and properly earthed (the electrical resistance of the part, in relation to the earth
must be less than 1 MΩ).
The high voltage generator is integral with the spray gun.
Fig. 3.
A
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2 - INSTALLATION
2.1 - SAFETY RULES
IMPORTANT NOTE..............This spray gun is only for use with
powder paints.
Use of the powder spray gun must comply with the safety precautions specified in this manual
(refer to articles R233-140 to R233-150 of the Code of Labour Law on paint booths and
powdering).
1 - The spray gun should only be used by trained personnel who are fully aware of the safety
rules specified in this section.
2 - Powder spraying must be conducted in a specially designed and correctly ventilated booth.
The logic control system must link the extractor fan system and the spraying equipment in
such a way as to ensure that spraying is only possible when the extractor fan system is
running.
3 - All conducting material located in the proximity of the spray gun (including, in particular, the
parts being painted) must be connected to the earth associated with the electrical power
supply.
4 - The electrical resistance of all parts for painting, in relation to the earth must be less than or
equal to 1 MΩ.
5 - The spraying equipment must be regularly maintained, in line with the instructions in the
manual. Any repair work must fully comply with the guidelines provided by the manufacturer
of the material.
6 - The high voltage current power supply must be turned off before starting to clean the spray
guns.
2.2 - INSTALLING THE EQUIPMENT
Care should be taken to ensure that the equipment is installed in compliance with the safety rules
specified in section 2.1.
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Fig. 4.
Sames
4
1
2
3
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3 - COMMISSIONING
3.1 - PREPARING THE SPRAY GUN
(Refer to Fig.4)
• Fasten the socket [1] of the electrical power supply cable onto the fixed flange [2]. Check
socket orientation (contact marks in front of plug contacts of plug [3] installed in the mobile
flange [4].
• Connect the pneumatic and powder feed pipes onto the fixed flange [2]. Fasten the fixed flange
onto the adapter flange [5].
3.2 - OPERATION AND SETTINGS
The SRV 028-2-Twin 60°powder spray gun should be installed 150 to 300 mm from the part to be
painted.
Voltage adjustments are described in the instructions manual of the GND 504-B control unit (see
RT 6017 manual).
CAUTION : Current consumption with the SRV 028-2-Twin 60°spray gun should never
exceed 30 µA per gun (i.e. 60 µA for two guns) during spraying. Higher current
consumption would result in fouling of the electrode and will cause loss of
efficiency of the spray gun.
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MAINTENANCE FREQUENCY
4 - MAINTENANCE
4.1 - PERIODICAL MAINTENANCE AND CHECK-UPS
IMPORTANT :All cleaning work should be carried out using compressed air, rags or if necessary
brushes.
Water should NEVER be used.
Spray gun soiling and wear, caused by powder flow, clearly depends on the type of powder used.
The guidelines as to cleaning and maintenance frequency provided in the table below can only be
taken as an indication of what is required.
Users of SAMES equipment should develop their own maintenance programmes.
As a first approach we recommend the following programme :
ACTION
• Before starting work.
• Every day.
• Between 150 and 300 hours (or more).
• Check rules 3, 4 and 6 of section 2.1.
• Remove the nozzles from the SRV 028 spray
gun and clean the electrode with a brush.
• Clean the nozzles with compressed air.
• Replace the nozzle if grooves are visible inside
nozzle.
4.2 - DISMANTLING AND RE-ASSEMBLY (GENERAL)
Dismantling and re-assembly of these complex assemblies are described in Chapter 6.
Easy and frequent component dismantling :
• SRV 028 spray gun (refer to plate BF4-1).
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