GAMA Easy Spray, Service Manual

Page 1: ...ad all the technical and safety documentation included in this manual carefully Pay special attention to the information to know and understand the operation and the conditions of use of the unit All...

Page 2: ...of heating devices pumping equipment dispensers or other parts or accessories with the Product that have not been approved or manufactured by HI TECH Failure to follow the operating instructions and r...

Page 3: ...information to alert on a situation that might cause serious injuries if the instructions are not followed CAUTION establishes information that indicates how to avoid damage to the unit or how to avoi...

Page 4: ...th the waste caused according to current regulations Disconnect the unit from the power supply before carrying out any operation inside the electrical console The electrical maintenance of the machine...

Page 5: ...ts which give the unit a total power of 1800 W and the necessary control and safety components for the precise operation of the system Its peculiar configuration allows a temperature differential T of...

Page 6: ...g System OPTIONAL Designed with a 2000 W isolation transformer that enables effective heating up to a total hose length of 48 meters 165 feet The system includes an innovative hose heating concept in...

Page 7: ...nical Maximum Working Pressure air supply 9 bar ________________ 100 bar 10 MPa 1450 psi Maximum Production Ratio 1 1 ___________________________________4 kg min 8 8 lb min Minimum Production ________...

Page 8: ...hanical Maximum Working Pressure air supply 9 bar ________________ 200 bar 20 MPa 2900 psi Maximum Production Ratio 1 1 ___________________________________4 kg min 8 8 lb min Minimum Production ______...

Page 9: ...Service Manual 9 46 Issue 3 1 Ref NR 00019 ENG http www gamapur com Figure 1 General Description Easy Spray GENERAL DESCRIPTION...

Page 10: ...lectric power desired for heating the hoses 12 Isocyanate Pressure Gage Indicates the pressure in the Isocyanate circuit 13 Polyol Pressure Manometer Indicates the pressure in the Polyol circuit 14 Is...

Page 11: ...Turns the electric supply to the control panel on and off It must be turned ON for any operation to be performed with the unit 2 Start Button This pushbutton turns the circuit control on 3 ISO POL Tem...

Page 12: ...d application temperature 30 A 38 C 100 F 35 A 48 C 118 F 40 A 60 C 140 F 45 A 75 C 167 F 50 A 80 C 176 F Turn the potentiometer clockwise until the screen shows the required amps for a quick pre heat...

Page 13: ...ate temperature regulators Instructions When the power is connected to the machine the displays will show the current temperature values To modify the values press or as required For more details abou...

Page 14: ...Manual de Servicio 14 46 Issue 3 1 Ref NR 00019 ENG http www gamapur com...

Page 15: ...Service Manual 15 46 Issue 3 1 Ref NR 00019 ENG http www gamapur com NB The temperature regulators are not inter changeable with those attached to previous versions of the machine...

Page 16: ...Polyol hose to the Polyol heater c Connect the recirculation hose of each product to the recirculation valves located in the ISO or POLY tank the Isocyanate hose to the Isocyanate tank valve and the s...

Page 17: ...gh the hose insulation so that the bottom of the thermometer is in contact with the hoses and the top is outside the insulation Fit the thermometer in such a way that the operators can see the tempera...

Page 18: ...he bottom of the tanks c Open the manual recirculation valves d Turn the RETRACT valve as it appears in vertical position it s opened e Turn the general switch ON f Turn the air pressure regulators an...

Page 19: ...e made of a plastic material which resists up to 80 C Product temperature inside the tanks must never reach that limit CAUTION Do not recirculate with full tanks since over pressure may occur in the i...

Page 20: ...the Isocyanate proportioning pump is in the retract position and the pressure begins to fall CAUTION To avoid possible product leakage and early failure of the pump seals the pressure must not be red...

Page 21: ...tor clockwise until the product pumps begin to move slowly h Allow the materials to come out of the recirculation hose until the tanks are completely empty i Turn the general switch OFF The temperatur...

Page 22: ...t will light on Check the product pumps begin to move slowly If necessary increase the pneumatic pressure by turning the regulator clockwise until the product pumps begin to move slowly ff Allow the D...

Page 23: ...ome out of the recirculation hose until the tanks are completely empty h Turn the general switch OFF The temperature regulator displays will then go out i Close the product manual valves at the bottom...

Page 24: ...reen button The temperature regulator displays will light on whenever the switch of the heaters is in On Check that the product pumps move dd Turn the general switch OFF The temperature regulator disp...

Page 25: ...parate them until they are going to be installed in the unit The hose connection system includes special terminals fast lock to facilitate the electrical connection to the transformer and between the...

Page 26: ...k of the gun making sure that the manual valves are closed g Insert a contact thermometer through the hose insulation so that the bottom of the thermometer is in contact with the hoses and the top is...

Page 27: ...e the whole circuit proceed as follows a Keep the coupling block with the outlet of each product in separate vessels and open the manual valves of each product b Turn the pneumatic pressure regulator...

Page 28: ...er anti clockwise until the screen shows 25amps To avoid excessive pressure in the heated hoses wait for the product in them to reach the required temperature before starting up the air motor system f...

Page 29: ...ng pump is in the retract position and the pressure begins to fall CAUTION To avoid possible product leakage and the early failure of the pump seals the pressure must not be reduced to zero It is reco...

Page 30: ...f the coupling block until the tanks are empty i Close the manual valves on the coupling block j Turn the general switch OFF The temperature regulator will go out k Close the manual valves at the bott...

Page 31: ...ing agent the cleaning process is complete and you can proceed as normal aa Close the RETRATC valve horizontal position bb Turn the general switch OFF The temperature regulator displays will go out cc...

Page 32: ...he heaters is in On Check the product pumps begin to slowly move If necessary increase the pneumatic pressure by turning the regulator clockwise i Allow the materials to come out of the coupling block...

Page 33: ...n the process carefully read the safety information provided by your supplier Deal with the waste caused according to current regulations Disconnect the unit from the power supply before carrying out...

Page 34: ...by deactivating the POWER CONTROL The thermostat will not reset until the temperature in the heater is below 120 C 248 F 1 Heating Elements Each heater includes two 900 W heating elements connected i...

Page 35: ...2000 230 26 2 13 2 6 2 4 2 2000 400 80 2 40 2 20 2 13 2 2000 440 96 2 48 2 24 2 16 2 Under extreme environmental conditions the heater might be affected and fail to reach the required temperature In t...

Page 36: ...g capacity less effective Under extreme environmental conditions the hose heating system may be affected and fail to reach the required temperature 2 Hose Transformer The transformer offers the option...

Page 37: ...mediately before b Restore the power supply press the POWER CONTROL key and the key under the HOSES display If the heating works the problem will be in the last section of hose Replace it If not do th...

Page 38: ...nding direction check the discharge ball valve upper valve if pressure is lost in a descending direction check the aspiration ball valve lower valve Proceed as follows to check the ball checks a Disco...

Page 39: ...emperatures the product increases in viscosity making the pumping more difficult When the ambient conditions prevent the products from being maintained at a minimum temperature of 12 C auxiliary heati...

Page 40: ...ectrician To avoid damage caused by the impact of pressurized fluids do not open any connection or perform maintenance work on components subject to pressure until the pressures have been completely e...

Page 41: ...alue of the resistance must be as shown in Table 1 on pag 35 d Apply Teflon or sealing paste to the thread and screw the element into its housing e Reconnect the wires to the connection block make sur...

Page 42: ...e of the new components please refer to table 20 in the Parts Manual NR 00018 for p n of the different models and sizes Also inspect the lower and upper ball and the seat assembly looking for wear hit...

Page 43: ...absorption of moisture and the possibility of contamination through the reaction with the solvent used in the cleaning operation To check the product inlet filters proceed as follows a Disconnect the...

Page 44: ...ration If the gaskets and the seals are in a good state the plasticizing oil will not have to be changed so frequently To replace the plasticizing oil of the pump proceed as follows a Use the gun to p...

Page 45: ...Installation Recirculation Unit _________________________________ 16 Start Up Procedures __________________________________________ 19 Daily Shutdown ______________________________________________ 20...

Page 46: ...G http www gamapur com Figure 1 General Description Easy Spray __________________________ 9 Figure 2 Control Panel and Hose Heating_________________________ 11 Figure 3 Method of union of the Hoses __...