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Master III Series
Service Manual
25 pgs1.45 Mb0

GAMA Master III Series Service Manual

Service Manual
Spray Gun
Series Master III
1.4 Issue 20/04/2017 Ref. NR-00073-ENG
Service Manual
2/25 1.4 Issue Ref. NR-00073-ENG
http://www.gamapur.com
GARRAF MAQUINARIA, S. A. (hereinafter “GAMA”) grants this Guarantee limited to the original purchaser (hereinafter “Client”) for the equipment and the original accessories delivered with the equipment
(hereinafter “Product”) against any fault in design, materials or manufacture of the Product at the time of
the first purchase by the users and for a period of two (2) years there from. If during the guarantee period and under normal conditions of use, the Product should fail to work correctly
due to defects of design, material or manufacture, the authorised distributor of the country where the GAMA Product or technical assistance service has been purchased shall repair or replace the Product in accordance with what is established in the following
CONDITIONS
a) The validity of this guarantee will be subject to the presentation of the original invoice issued by
the GAMA authorised distributor for the sale of the Product along with the Product handed over for repair or replacement, which must show the date of purchase and the serial number. GAMA reserves the right to refuse to give the guarantee service when the indicated data fail to appear on the invoice or have been modified after the purchase of the Product.
b) The repaired or replaced Product will continue to maintain the original guarantee for the time
remaining until the end of the guarantee or for three (3) months from the repair date, if the remaining period of the original guarantee were shorter.
c) This guarantee will not be applied to the faults in the Product caused by its faulty installation, the
natural wear and tear of the components, any use other than that considered normal for this Product or which should fail to strictly comply with the instructions of use provided by GAMA; due to accident, carelessness, adjustments, alterations or modifications of the Product not authorised by GAMA or due to the use of accessories, heating devices, pumping equipment and/or dispensers that have not been approved or manufactured by GAMA.
d) The guarantee applicable to the components and accessories forming part of the Product and
which have not been made by GAMA will be limited to the guarantee offered by the original manufacturer thereof.
GAMA WILL NOT RECOGNISE ANY EXPRESS ORAL OR WRITTEN GUARANTEES OTHER THAN THIS PRINTED LIMITED GUARANTEE. ALL IMPLICIT GUARANTEES, INCLUDING, WITHOUT LIMIT, ADAPTATION FOR A SPECIFIC USE, ARE SUBJECT TO THE DURATION OF THIS WRITTEN GUARANTEE. GAMA DOES NOT ASSUME ANY KIND OF COMMITMENT OR RESPONSIBILITY FOR ALL POSSIBLE DAMAGE OR EXPENSE CAUSED BY FAULTS IN THE OUTPUT OF THE PRODUCT, ITS WORKING OR THE DISPENSING OF MATERIAL THROUGH THE PRODUCT, INCLUDING, WITHOUT LIMITATION, ALL EXPENSES CAUSED BY DAMAGE TO PEOPLE OR PROPERTY. EQUALLY, GAMA WILL IN NO CASE ACCEPT LIABILITY FOR THE LOSS OF SPECULATIVE PROFITS OR COMMERCIAL LOSSES. ALL REPAIRS OR REPLACEMENT OF FAULTY PRODUCTS WILL CONSTITUTE THE COMPREHENSIVE FULFILMENT OF GAMA'S OBLIGATIONS WITH RESPECT TO THE CLIENT. GAMA DOES NOT IN ANY WAY GUARANTEE THE SUITABILITY OR APTITUDE OF ITS PRODUCT FOR ANY PARTICULAR PURPOSE OR APPLICATION.
All of the information provided on components which have not been manufactured by GAMA and which is based on reports received from the original manufacturer, though considered precise and reliable, is provided without any guarantee or responsibility of any explicit or implicit kind.
All concession, sale or financial leasing of the Product by GAMA in no case explicitly or implicitly constitutes any authorisation, acceptance or concession for the use of any rights or patents, nor does it encourage, nurture or back their infringement.
The restrictions on the guarantee suppose no limitation on the legal rights of the consumer established in applicable national legislation, nor do they affect any rights derived from the bargain and sale agreement between the consumer and supplier.
WARRANTY
Service Manual
3/25 1.4 Issue Ref. NR-00073-ENG
http://www.gamapur.com
All of the information provided in this Service Manual has been included in the confidence that it is true, although it does not constitute any responsibility or implicit or explicit guarantee. GAMA reserves the right at any time without forewarning to make all necessary improvements and modifications to this Service Manual in order to rectify any possible typographical errors, increase the information contained and enter the changes made to the characteristics and performances of the gun.
This chapter contains important information on safety, handling and use of your GAMA New MASTER IIIgun.
Before installing and operating the GDI gun, carefully read the technical and safety documentation in this manual. Special attention should be paid to the information for knowing and understanding the handling and conditions of use of the gun. All of the information is aimed at enhancing User Safety and avoiding possible faults due to incorrect use of the gun.
A WARNING! establishes information for alerting you on the situations which could cause serious injury if the instructions are not followed.
A PRECAUTION! establishes information which indicates how to avoid damage to the gun and how to avoid a situation which could cause minor injuries.
A NOTE is relevant information on the procedure being carried out.
Careful study of this manual will help you to become more acquainted with the gun and the procedures. Following the instructions and recommendations here will reduce the potential risk of accidents in installing, using or maintaining the gun, and will give you the problem-free operation for a longer time, greater output and the possibility of detecting and resolving problems quickly and simply.
Keep this Service Manual for future consultation of useful information at all times. If you lose the manual, ask for a new copy from your local GAMA distributor or make direct contact with Garraf Maquinaria, S. A.
WARNING: The gun's design and configuration do not allow it to be used in potentially
explosive atmospheres or to exceed the pressure and temperature limits described in the technical specifications of this manual.
Always use liquids and solvents that are compatible with the unit. In the event of doubt, consult the GAMA technical service.
SAFETY AND HANDLING
Service Manual
4/25 1.4 Issue Ref. NR-00073-ENG
http://www.gamapur.com
When working with the gun, it is essential to dress suitably and use personal protection equipment, including the unlimited use of gloves, protective goggles, safety footwear and face masks. Use breathing equipment when working with the gun in enclosed or insufficiently ventilated atmospheres. The introduction and follow-up of safety measures must not be limited to those described in this manual. Before starting to use the gun, a rigorous analysis must be made of the risks derived from the products to be dispensed, the type of application and the working environment.
The gun forms part of the projection equipment, which is why all safety measures must be taken that are provided for the start-up use of the equipment, in addition to all specific measures for the use of the gun.
Deal with the waste caused according to current regulations. To prevent serious damage caused by the impact of fluids under
pressure, never open a connection or do maintenance work on components subject to pressure until you are sure that all pressure has been eliminated.
Use suitable protection when operating, maintaining or simply being in the area where the equipment is working. This includes, but is not limited to, the use of protective goggles, gloves, shoes and safety clothes and breathing equipment.
The equipment includes components which reach high temperatures and may cause burns. The hot parts of the unit must not be handled or touched until they have completely cooled.
To prevent serious injury caused by crushing or amputations, do not work with the equipment if the moving part safety protections are not duly installed. Make sure that all safety protections are correctly fitted after carrying out repair or maintenance work on the equipment
Service Manual
5/25 1.4 Issue Ref. NR-00073-ENG
http://www.gamapur.com
* High-pressure internal mixture * Automatical cleaning by pressurised air * No solvents required * Mechanical spraying * Exterior greasing of the mix chamber
Approximate weight: 1 Kg Dimensions: H 19 cm / W 9 cm / L 19 cm
Maximum working pressure: _________________________ 246 Kgf/cm2 (24 MPa) / 3500 psi Required air pressure: _________________________ 6-8 Kgf/cm2 (0.6-0.8 MPa) / 85-114 psi Maximum production ratio 1:1: ________________________________ 18 Kg/min / 40 lb/min Minimum production ratio 1:1: _______________________________ 1.5 Kg/min / 3.3 lb/min Opening force @ 6 bar: ____________________________________________ 99 Kg / 218 lb Closing force @ 6 bar: ____________________________________________ 119 Kg / 260 lb Approximate air consumption @ 6 bar (50 series/min): ________________ 307 litres/minute
CHARACTERISTICS
SPECIFICATIONS
Service Manual
6/25 1.4 Issue Ref. NR-00073-ENG
http://www.gamapur.com
The main components and their description are given for better knowledge of the elements of the NEW MASTER III gun. For a more precise identification, see the Components Manual ref. NR-00072.
1. Head Unit.
2. Polyol Side Cartridge Unit
3. Isocyanate Side Cartridge Unit
4. Polyol Non-Return Cartridge Unit.
5. Isocyanate Non-Return Cartridge Unit.
6. Head Fixing Nut.
7. Polyol Manual Valve
8. Isocyanate Manual Valve
9. Mix chamber
10. Trigger
11. Diffuser.
12. Blocking Device
13. Coupling block.
GENERAL DESCRIPTION
Service Manual
7/25 1.4 Issue Ref. NR-00073-ENG
http://www.gamapur.com
PRECAUTION: When working with the gun or doing maintenance on it, all suitable
protection must be used in accordance with the recommendations and specifications given by the product suppliers.
GAMA provides a series of tools and accessories which are necessary for assembling the gun. The unit is made up of the following elements:
Tube spanner, chuck holder, grease tube, air connection pipe, fast plug, cleaning chucks, operations manual and components manual.
1. Completely close the manual valves by turning them clockwise. The manual valves control the input flow of each product to the chamber and are located on the Coupling Block.
2. Connect the air supply pipe to the connector at the rear of the gun.
3. Connect the Isocyanate hose (red terminal) to the Isocyanate input connector (letter A) on
the Coupling Block.
4. Connect the Polyol hose (blue terminal) to the Polyol input connector (letter R) on the Coupling Block.
NOTE: The product
hoses have been distinguished with red and blue in order to allow them to be rapidly identified. The red corresponds to the Isocyanate hose and the blue corresponds to the Polyol hose. To avoid connection errors, the Isocyanate and Polyol hose coupling connectors are of different sizes, which makes it impossible for connections to be swapped.
INSTALLATION AND START-UP
Service Manual
8/25 1.4 Issue Ref. NR-00073-ENG
http://www.gamapur.com
5. Open the manual air valve
6. Pressurise the unit and make sure there are no leaks.
7. Activate the trigger several times to make sure the mix chamber moves correctly.
8. Make sure that the pressure in the machine and the temperature of the heaters and the
hoses are correct (see the Machine Service Manual).
9. Completely open the manual valves of each product by turning them anti-clockwise.
10. Press the blocking device and turn it anticlockwise to leave it in projection mode or
position.
11. Perform a test projection in a vessel
WARNING: Before carrying out maintenance, repair or cleaning work, press the
blocking device and turn it clockwise to leave it in blocking position or mode. Always remove the coupling block from the gun, completely close the manual product input valves and disconnect the air supply to avoid any possible accident.
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