User manual GRACO 15X304 INSTRUCTIONS PARTS

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Manual abstract: user guide GRACO 15X304INSTRUCTIONS PARTS

Detailed instructions for use are in the User's Guide.

[. . . ] The air supply line should contain an air filter to remove harmful dirt and moisture from the compressed air. Use a normally closed 4-way air solenoid valve to control the dispense valve. (4 mm) OD air supply lines from the 4-way valve to the air inlets of the dispense valve. Two accessories are required in your system: a bleed-type master air valve and a fluid drain valve. These accessories help reduce the risk of serious injury including fluid injection, splashing in the eyes or on the skin, and injury from moving parts if you are adjusting or repairing the pump. [. . . ] Flush the valve daily with a compatible solvent until all traces of fluid are removed from the valve passages. Clean the outside surfaces of the valve by wiping with a soft cloth dampened with a compatible solvent. If you suspect the spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above, very slowly loosen tip guard retaining nut or hose end coupling to relieve pressure gradually, then loosen completely. Before flushing, be sure the entire system and flushing pails are properly grounded. Always use the lowest possible fluid pressure, and maintain firm metal-to-metal contact between the dispense valve and the pail during flushing to reduce the risk of fluid injection injury, static sparking, and splashing. Start the pump and flush the system with a compatible solvent as explained in the instructions for your pump. Check the system under pressure for leaks; if any are found, relieve the pressure and repair the leaks. Pressurize the system again and make sure the leaking has stopped. Pressure Relief Procedure Flushing Maintenance Clean the Dispense Valve Daily 6 312782C Troubleshooting Troubleshooting Before servicing this equipment always make sure to relieve the pressure. Relieve the pressure after flushing and disconnect the fluid and air hoses. NOTE: Another method of removing spring pressure is by applying air to the ON port, to lift the valve needle off the seat. NOTE: See Fluid Mix Manifold Manual 312781 for seat replacement instructions and part numbers. Valve Adapter and Seat 312782C 7 Repair NOTE: See the parts drawings on pages 9 and 10. Unscrew the piston (9, high pressure valves) or retainer (10, low pressure valves) from the needle. Push the needle (22) from the top while pulling it from the bottom of the fluid body (3). Remove the packing (19), bearing (5), and u-cup (4) from the fluid body. On high pressure valves, remove the o-ring (17) from the air body (6). On high pressure valves, install the o-ring (17*) on the air body (6). On high pressure valves, apply thread sealant to the top threads of the needle (22*). Holding the needle (22) steady by its flats, screw the piston (9) onto the needle (22*). Holding the needle (22) steady by its flats, screw the retainer (10) onto the needle. 8. Before performing step 9, screw the dispense valve securely into the adapter (A, FIG. Description --BODY, fluid --SEAL, u-cup, spring applied; uhmwpe --BEARING, needle --BODY, air --O-RING, shaft, piston; buna-N --O-RING, body, piston; buna-N 180538 PISTON 15T452 RETAINER, piston 180612 CAP, valve 108017 SPRING, compression 104640 GASKET; buna-N 104644 PLUG, screw 109193 ELBOW, tube fitting; 10-32 x 5/32 in. [. . . ] GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc. ), are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties. In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or otherwise. [. . . ]

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