Novag Spray Equipment novaG-A Series, Service Manual

Page 1: ...gun carefully read the technical and safety documentation 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 U...

Page 2: ...ons of the Product not authorised by NOVAG or due to the use of accessories heating devices pumping equipment and or dispensers that have not been approved or manufactured by NOVAG d The guarantee app...

Page 3: ...uations 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 cou...

Page 4: ...your supplier to prevent any possible injury caused by incorrect handling of the raw materials and solvents used in the process Deal with the waste caused according to current regulations To prevent s...

Page 5: ...a 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...

Page 6: ...precise identification see the Components Manual ref NR 00015 ENG 1 Head Unit 2 Polyol Side Cartridge Unit 3 Isocyanate Side Cartridge Unit 4 Polyol Non Return Cartridge Unit 5 Isocyanate Non Return C...

Page 7: ...he 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 Isocyan...

Page 8: ...rvice 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 Per...

Page 9: ...als of the non return cartridges 6 Turn the isocyanate cartridge one turn anticlockwise 7 Turn the polyol cartridge one turn anticlockwise 8 Turn the locknut half a turn anticlockwise 9 Pull lightly o...

Page 10: ...check valve and filter cartridges use a flat screwdriver to lever and remove the assemblies Be careful not to damage the O rings If for any reason it is not possible to remove the cartridges by this...

Page 11: ...be necessary to remove 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 t...

Page 12: ...e 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 o...

Page 13: ...upply 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 1 Re...

Page 14: ...the fixing nut and replace it if necessary 5 Unscrew and remove the isocyanate cartridge 6 Unscrew and remove the polyol cartridge 7 Unscrew the diffuser and inspect the internal seal Round Jet Assem...

Page 15: ...ched with them in the spare parts and in the gun tool kit 11 Put the block in a vessel with gun cleaning liquid 12 To eliminate all product remains put the gun block unit in a vessel with gun cleaning...

Page 16: ...haft turned 45 18 Turn the head until it is in vertical position and push it down so that the positioning grooves fit on to the sleeve 19 If you fail to find this position place the head in the theore...

Page 17: ...connect 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 loos...

Page 18: ...hine 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 project...

Page 19: ...e pressure has been completely eliminated 1 Remove the coupling block 2 Use a cloth dampened in cleaning fluid to clean the contact surfaces and the seals of the non return cartridge bases 3 Disconnec...

Page 20: ...ing 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 12 Screw on the trigger valve nut until it comes up against...

Page 21: ...ar of the gun 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...

Page 22: ...f the plunger Insert the cylinder block unit in the lining pressing until it passes the insertion groove of the retention ring 12 Fit the retention ring using pliers for seeger rings WARNING To guaran...

Page 23: ...and if you consider it necessary use a brush to go over the passage holes 2 Unscrew the bolt fixing the lining pin on the rear of the gun 3 Remove the retention ring positioning the cylinder block usi...

Page 24: ...id approaching the cylinder block when pressure is applied to the gun after performing any cleaning repair or maintenance work 9 Fit the sleeve staple and fix it with the screw to the rear of the gun...

Page 25: ..._____________________________________________ 10 Maintenance _________________________________________________ 12 Gun block unit and mix chamber ______________________________________________ 13 Side...