Service Manual - GAMA spray equipment
Contents
1. the area where the equipment is working This includes but ts 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 1 4 Issue Ref NR 00021 ENG Service Manual Gun block unit and mix chamber WARNING Before carrying out maintenance work on the gun make sure that the unit has been completely stopped that all of the push buttons and the main switch are turned off and that the unit is disconnected from the main power supply The gun is a component which works under pressure No connection must be opened or maintenance work be done on component subject to pressure until the pressure has been completely eliminated ISO Cartridge Cylinder Shaft End Chamber Central or Mixing Block Q Diffuser Coupling Seals POL Cartridge i 1 Remove the coupling block 2 Use a cloth dampened with solvent to clean the contact surfaces and the seals of the coupling block PRECAUTION To avoid spilling the rest of the2. Press the blocking device and turn it clockwise to leave it in blocking position or mode Close the air inlet valve Remove the coupling block from the gun Use a cloth dampened in solvent to clean the contact surfaces and the seals of the coupling block Turn the isocyanate cartridge two turns anticlockwise Turn the polyol cartridge two turns anticlockwise Turn the locknut two turns anticlockwise Pull lightly on the mixing head and turn it 180 half a turn clockwise Gently press the head until it is seated on the throat of the sleeve and cannot turn Tighten the locknut on the throat of the sleeve to immobilise the head Tighten the two side cartridges Connect the coupling block to the mixhead and fix it firmly with the central screw Pay attention to the seating of the seals To leave the gun operative carry out the following steps for Installation and Start up NOTE Always turn the head clockwise to pass from one position to another 9 21 1 4 Issue Ref NR 00021 ENG Service Manual STANDSTILL METHOD Perform the Unit Standstill Method with the procedure indicated in the Machine Service Manual Completely close the manual valves of each product by turning them clockwise To eliminate the pressure from the gun press the trigger and project with the gun until the projection fan begins to narrow Press the blocking device and turn it clockwise to leave it in blocking position or mode Remove the coupling blo
3. plunger from inside the cylinder Use pliers for seeger rings to remove the retention ring from the shaft and extract the plunger Check the state of the o rings of the shaft and the plunger Replace them if they are damaged Apply a little grease to make it easier to assemble Fit the plunger by sliding it along the shaft taking special care not to damage the o rings Fit the retention ring Fit the plunger inside the cylinder sleeve Insert the spring in the rear housing of the plunger Put the cylinder block unit inside the sleeve pressing until it stands out from the insertion groove of the retention ring Fit the retention ring using pliers for seeger rings 19 21 1 4 Issue Ref NR 00021 ENG Service Manual WARNING To guarantee that the cylinder block is correctly fixed make sure that the retention ring is perfectly housed in the fixing groove To avoid any possible error in assembly avoid approaching the cylinder block when pressure is applied to the gun after performing any cleaning repairs or maintenance work 11 Fit the sleeve staple and fix it with the screw to the rear of the gun 12 Tighten the mix chamber by hand using a spanner to hold the end of the pneumatic cylinder shaft 13 Fit the gun block unit by sliding it through the chamber and fix it to the gun with the fixing nut Make sure you fit the o ring between the block and the sleeve replacing it if it is damaged 14 Tighten the two side cart
4. retention ring is perfectly housed in the fixing groove To avoid any possible error in assembly avoid approaching the cylinder block when pressure is applied to the gun after performing any cleaning repair or maintenance work 13 Fit the sleeve staple and fix it with the screw to the rear of the gun 14 Start the gun 18 21 1 4 Issue Ref NR 00021 ENG Service Manual Pneumatic cylinder WARNING Before carrying out maintenance work on the gun make sure that the unit has been completely stopped that all of the push buttons and the main switch are turned off and that the unit is disconnected from the main power supply The gun is a component which works under pressure No connection must be opened or maintenance work be done on component subject to pressure until the pressure has been completely eliminated 10 Plunger Shaft O Rin Mixing Chamber Retention Ring Plunger Unit Plunger Sprin Sleeve Staple Fixing Bolt Blocking Device Proceed to remove the mix chamber following the procedure indicated in the Gun block unit and mix chamber section Clean the mix chamber and if necessary redo the holes with a drill Removes the screw fixing the sleeve staple to the rear of the gun Remove the retention ring positioning the cylinder block using pliers for seeger rings Pull hard on the blocking device to remove the whole unit from the cylinder sleeve Also remove the spring and the
5. supplier 2 21 1 4 Issue Ref NR 00021 ENG Service Manual 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 SAFETY AND HANDLING This chapter contains important information on safety handling and use of your GAMA MASTER Il series gun Before installing and starting up the gun carefully read all the technical and safety documentation included 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
6. 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 consultation and useful information at any time 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 3 21 1 4 Issue Ref NR 00021 ENG Service Manual 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 monitoring 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 b
7. 2 Remove the retention ring positioning the cylinder block using pliers for seeger rings 3 Pull hard on the blocking device to remove the whole unit from the cylinder sleeve Also remove the plunger spring 4 Check the state of the closing seal of the cylinder block Replace it if it is damaged 5 Apply a little grease to make it easier to assemble 6 Loosen the two adjustment screws on the blocking device Remove the blocking screw and the blocking spring from the device 7 Separate the cylinder block from the blocking screw 8 Remove the collar from the cylinder block and replace it if it is damaged Apply a little grease to make it easier to assemble 9 Pay special attention to correctly fit the collar the closing lips must be faced towards the side of the cylinder 17 21 1 4 Issue Ref NR 00021 ENG Service Manual 10 Fit the cylinder block on the blocking screw Slip the spring and the blocking device on the blocking screw Screw in the two adjustment screws making sure that they are perfectly flush with the flats at the end of the blocking screw Make sure the blocking device is well fixed 11 Insert the spring in the rear housing of the plunger Put the cylinder block unit inside the sleeve pressing until it stands out from the insertion groove of the retention ring 12 Fit the retention ring using pliers for seeger rings WARNING To guarantee that the cylinder block is correctly fixed make sure that the
8. Ati Service Manual Spray Gun Series Master II 1 4 Issue 25 05 2010 Ref NR 00021 ENG Before installing and starting up the MASTER II gun carefully read all the technical and safety documentation included in this manual Special attention should be paid to the information in order to know and understand the handling and conditions of use of the Unit All of the information is aimed at enhancing User Safety and avoiding possible faults due to incorrect use of the Unit Service Manual WARRANTY GARRAF MAQUINARIA S A hereinafter GAMA grants this LIMITED WARRANTY to the original buyer hereinafter the Client for the unit and the original accessories given with the unit hereinafter the Product against any fault in the design the materials or the manufacture of the Product at the time of the first purchase by the user and for a duration of two 2 years thereafter If during the period of guarantee and under normal conditions of use the Product should stop working properly due to faults in the design the materials or the manufacture the authorised distributor in the country where the Product has been purchased or the GAMA technical service will 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 t
9. RE 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 IN NO WAY GUARANTEES THE IDEALNESS OR SUITABILITY OF ITS PRODUCT FOR ANY PURPOSE OR SPECIFIC 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
10. ck from the gun Use a cloth dampened with solvent to clean the contact surfaces and the seals of the coupling block Remove the non return unit filter and contact bushing from the polyol side in the mixing block Clean the unit with gun cleaning solvent Remove the non return unit filter and contact bushing from the isocyanate side in the mixing block Clean the unit with gun cleaning solvent Remove the filter Carefully clean the filter with gun cleaning solvent making sure that there are no remains of product left in the mesh PRECAUTION To avoid spilling the rest of the product which has accumulated in the side cartridges onto the floor always remove the coupling block and the side cartridges on a waste vessel 9 10 Remove the central block by turning the locknut anticlockwise Clean the block with gun cleaning solvent Clean the two contact surfaces of the mix chamber PRECAUTION Use wooden or plastic utensils or a brass brush for cleaning Do not use metal utensils which can scratch the contact surfaces 11 12 NOTE The action of greasing the gun at the end of the day will avoid maintenance time as it will not be necessary to dismantle the chamber each day to clean it PRECAUTION To avoid possible contamination by product remains on the gun components do not swap Isocyanate parts with Polyol parts The gun has the isocyanate side marked with the letter A Fit all the components and put the coupling block i
11. ct Air Suppl Product Manual Valve 1 4 Issue Ref NR 00021 ENG Service Manual 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 anticlockwise 10 Press the blocking device and turn it anticlockwise to leave it in projection mode or position 11 Make 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 8 21 1 4 Issue Ref NR 00021 ENG Service Manual CAM This MASTER II series model comes with a head turning mechanism so that it can be turned according to the inlet position of the product hoses Material Inlets Buttom Side Material Inlets Top Side Do the following to make the change i 2 14 Completely close the manual valves by turning them clockwise To eliminate the pressure from the gun press the trigger and project with the gun until the projection fan begins to narrow
12. duct suppliers GAMA provides a series of tools and accessories which are necessary for assembling the gun The unit comprises the following elements Metal brush tube spanner chuck pliers for seeger rings socket set of Allen keys tube for extension of pneumatic connection grease tube nozzle stopper greaser stopper greasing pump air connection pipe fast plug tracks for cleaning 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 Ilsocyanate 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 7 21 7 Blocking Device Ey K A P Air Supply Connector Product Inlet Connector G eo Air Hose Suppl Quick Conne
13. e 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 4 21 Carefully read the safety data sheet provided by your supplier to prevent any possible injury caused by incorrect handling of the raw materials and solvents used in the process Deal with all 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 safety protections of the moving parts are not duly installed Make sure that all safety protections are correctly fitted after carrying out repair or maintenance work on the equipment 1 4 I
14. he 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 during the time remaining until its end or for three 3 months after the repair date if the remaining period of the 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 A
15. n the gun Remove the stopper and grease the mix chamber with the greasing pump supplied in the kit with the gun This will prevent the cleaning air of the gun from drying the ISOCYANATE product and will therefore prevent it from crystallising and scratching the chamber and the bushing Fit all the components and put the coupling block in the gun Grease Point If the product hoses still have pressure follow the Standstill Method indicated in the Machine Service Manual To eliminate the pressure from the hoses with the gun dismantled put the product inlet block in a suitable container remain at a careful distance and very carefully very slowly open the manual valves With pressure the product will come out of the top side of the coupling block 10 21 1 4 Issue Ref NR 00021 ENG Service Manual MAINTENANCE To get the most of your MASTER II series gun periodical maintenance must be carried out 11 21 Carefully read the safety data sheet provided by your supplier to prevent any possible injury caused by incorrect handling of the raw materials and solvents used in the process Deal with all 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
16. ng out maintenance work on the gun make sure that the unit has been completely stopped that all of the push buttons and the main switch are turned off and that the unit Is disconnected from the main power supply The gun is a component which works under pressure No connection must be opened or maintenance work be done on components subject to pressure until the pressures have been completely eliminated ii Air Hose Suppl ee G Sprin FI Trigger Sp Trigger Valve O Rin Trigger Pin TAA Trigger Stop Bolt Trigger Shaft Tri er Valve Nut Quick Connect Air Suppl Trigger 1 Remove the coupling block Use a cloth dampened with solvent to clean the contact surfaces and the seals of the coupling block Disconnect the air hose supply Unscrew the trigger stop bolt Remove the retention ring and extract the pin holding the trigger Unscrew the nut of the trigger valve Remove the trigger shaft and hold it carefully for the end with a few pliers to extract it from the hole The trigger shaft has a spring in the base Make sure you do not lose it 8 Check the o rings of the trigger shaft Replace them if they are damaged Apply a little grease to make assembly easier N ow E or oe 15 21 1 4 Issue Ref NR 00021 ENG 10 11 12 13 14 15 16 Service Manual Verify that the accommodation of the trigger shaft is free of dirt and wall light a small fat layer in his in
17. product which has accumulated in the side cartridges onto the floor always remove the coupling block and the side cartridges on a waste vessel Screw on the diffuser Turn the isocyanate cartridge two turns anticlockwise Turn the polyol cartridge two turns anticlockwise Remove the central block by turning the locknut anticlockwise Put the block in a vessel with gun cleaning solvent To eliminate all product remains put the gun block unit in a vessel with gun cleaning solvent and use a brass brush oY oe eS ee PRECAUTION Use wooden or plastic utensils or a brass brush for cleaning Do not use metal utensils which can scratch the contact surfaces 12 21 1 4 Issue Ref NR 00021 ENG Service Manual 9 Use a spanner to hold the end of the shaft of the pneumatic cylinder while you unscrew the mix chamber Clean the mix chamber and if necessary redo the product holes with a drill Make sure the chamber is not scratched or marked 10 Replace the chamber if it shows any small fault 11 Screw the chamber on to the end of the shaft of the pneumatic cylinder 12 Fit the gun block unit by sliding it through the chamber and fixing it to the gun with the fixing nut 13 Turn the isocyanate cartridge clockwise until it blocks 14 Turn the polyol cartridge clockwise until it blocks 15 Fit the coupling block 16 Fit the diffuser Side cartridge unit WARNING Before carrying out maintenance work on the gun make sure that
18. ridges Screw down the diffuser 15 Start the gun 20 21 1 4 Issue Ref NR 00021 ENG Service Manual CONTENT Warranty Safety and Handling Characteristics Specifications General Description Installation and Start up Standstill Method Maintenance Gun block unit and mix chamber Side cartridge unit Trigger and valve Cylinder block and blocking device Pneumatic cylinder Content 21 21 1 4 Issue O oa OUN 11 12 13 15 17 19 21 Ref NR 00021 ENG
19. ssue Ref NR 00021 ENG Service Manual CHARACTERISTICS High pressure internal mixture Automatic cleaning by pressurised air No solvents required Mechanical spraying Exterior greasing of the mix chamber Approximate weight 1 Kg Dimensions H 19 cm W 10 cm L 19 cm SPECIFICATIONS Maximum working pressure Required air pressure Maximum production ratio 1 1 Minimum production ratio 1 1 210 Kgf cm2 20 6 MPa 3000 psi 6 8 Kgf cm2 0 6 0 8 MPa 85 114 psi 18 Kg min 40 Ib min 1 5 Kg min 3 3 Ib min Opening force 6 bar 90 Kg 200 Ib Closing force 6 bar 93 Kg 205 Ib Approximate air consumption 6 bar 50 series min 307 litres minute 5 21 1 4 Issue Ref NR 00021 ENG Service Manual The main components and their description are given for better knowledge of the elements of the MASTER Il series gun For more precise identification see the Components Manual ref NR 00020 ENG ee SoS eS SS _ xa _ 6 21 Gun block unit Polyol side cartridge unit lsocyanate Side Cartridge Unit Block Fixture Nut Polyol manual valve lsocyanate manual valve Mix chamber Trigger Diffuser Blocking device Coupling block 1 4 Issue Ref NR 00021 ENG Service Manual INSTALLATION AND START UP 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 pro
20. t blocked by remains of crystallised product If you should see any dirt clean the communicating drill holes with a drill and a brass brush PRECAUTION Use wooden or plastic utensils or a brass brush for cleaning Do not use metal utensils that can scratch the surface Before cleaning the cartridge housing and contact bushing with solvent remove all of the o rings in these components to avoid them being damaged by the solvent or the brass brush 13 21 1 4 Issue Ref NR 00021 ENG Amir Service Manual 11 Check the seals of the cartridge and the contact bushing Replace them if they are worn or damaged 12 Check the metal bushing for wear and measure its complete length Replace it if the length is under 7 mm 13 Grease all of the components and refit them in the cartridge 14 Screw the isocyanate cartridge unit into its housing until it blocks Make sure it is correctly tightened to avoid product leaks 15 Do the same with the polyol cartridge points 5 14 16 Carry out the projection procedure indicated in the start up section 17 Start the gun Metal Contact Bushing Spring Non Return Unit Filter Filter Holder Cartridge Plug Protection Rear Plug PRECAUTION Use wooden or plastic utensils or a brass brush for cleaning Do not use metal utensils which can scratch the contact surfaces 14 21 1 4 Issue Ref NR 00021 ENG Service Manual Trigger and valve WARNING Before carryi
21. terior Mount the air hose in the rear part of the gun using sealing paste in the thread to avoid air escapes Insert the trigger shaft in to the spring and insert it inside the handle taking special care not to damage the o rings You will note a certain resistance caused by the interference of the seals with the housing wall Screw down the trigger valve nut until it does ceiling in the fund Fit the trigger with the pin and hold it with the retention ring Place the trigger stop bolt It must be tight up to eliminating the roominess of the trigger shaft without to displace the shaft Fix the mixing block according to the procedure described in the pistol block unit and mix chamber assembly section Start the gun 16 21 1 4 Issue Ref NR 00021 ENG Service Manual Cylinder block and blocking device WARNING Before carrying out maintenance work on the gun make sure that the unit has been completely stopped that all of the push buttons and the main switch are turned off and that the unit Is disconnected from the main power supply The gun is a component which works under pressure No connection must be opened or maintenance work be done on components subject to pressure until the pressures have been completely eliminated Block Screw Close Seal Collar Cylinder Head Retention Rin Adjustment Screw Fixing Screw Sleeve Staple 1 Unscrew the screw fixing the sleeve staple on the rear of the gun
22. the unit has been completely stopped that all of the push buttons and the main switch are turned off and that the unit is disconnected from the main power supply The gun is a component which works under pressure No connection must be opened or maintenance work be done on components subject to pressure until the pressures have been completely eliminated 1 Perform the Unit Standstill Method with the procedure indicated in the Machine Service Manual 2 Completely close the manual valves of each product by turning them clockwise 3 To eliminate the pressure from the gun press the trigger and project with the gun until the projection fan begins to narrow 4 Disconnect the air supply from the gun 5 Unscrew the isocyanate side cartridge by turning it anticlockwise and remove it from its housing Clean the housing with gun cleaning solvent and make sure no loose particles remain inside 6 Remove the filter and clean it with gun cleaning solvent 7 Make sure the mesh filter is not obstructed If you see that the mesh is obstructed over more than 20 of its surface replace it 8 Unscrew the rear stopper from the cartridge and use a screwdriver to press the non return unit to remove it from its housing as well as the contact bushing 9 Clean all of the components meticulously to eliminate all product remains using a cloth dampened with gun cleaning solvent and a brass brush 10 Make sure the holes of the filter holder cartridge are no
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