User manual GRACO HUSKY 3275 308639L

[. . . ] Instructions ­ Parts List ALUMINUM Huskyt3275 Air­Operated Diaphragm Pump 3­inch pump for fluid transfer applications. For professional use only. 120 psi (0. 8 MPa, 8 bar) Maximum Incoming Air Pressure 120 psi (0. 8 MPa, 8 bar) Maximum Fluid Working Pressure 308639L ENG * Part No. 232505 Private­Label Aluminum 3275 Pump (See page 20. ) Part No. 24D619 Private­Label Aluminum 3275 Pump (See page 20. ) * This model is US and Foreign Patents Pending certified. Important Safety Instructions Read all warning and instructions in this manual. [. . . ] Insert the actuator pistons in the bearings (8) wide end first. Leave the narrow end of each piston exposed in the valve cavity. Grease the lower face of the pilot block (16), and install so its tabs snap into the grooves on the ends of the pilot pins (16). Grease the lower face of the main valve (6). Install the main valve (6) so its tabs slip into the grooves on the narrow ends of the actuator pistons (7). Slide the pilot block (16) and the main valve (6) to one side of the valve cavity. Align the valve cover o-ring (20) and cover (5) with the holes in the center housing (2). Using a TorxR T20 screwdriver or 7 mm or 9/32-in. socket wrench, torque the screws to 28 to 50 in-lb (3. 2 to 5. 6 NSm). 2 3 11 1 2 Grease. Torque to 28 to 50 in-lb (3. 2 to 5. 6 NSm). 1 12 Fig. 5 06324 308639 13 Service Ball Check Valve Repair Tools Required D Torque wrench D 15-mm socket wrench D O-ring pick NOTE: A Fluid Section Service Kit is available. See the Repair Kit Matrix on page 21 to find the correct kit for your pump. Parts included in the kit are marked with an asterisk in the Parts Drawing on page 22, for example (201*). Use all the parts in the kit for the best results. NOTE: To ensure proper seating of the balls (201), always replace the seats (101) when you replace the balls. 102 2 3 1 Torque to 55 to 60 ft-lb (75 to 81 NSm). The ball seat is on the same side as the step for the o-ring (102). To ensure proper seating, visually check that the manifold (50 or 53) is centered on the fluid covers (51) before you tighten the screws (54). 54 50 1 3 201 WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 9. 101 2 51 WARNING Some of the pump parts and assemblies are heavy. Use proper lifting equipment and techniques. Using a 15-mm socket wrench, remove the bolts (54) holding the outlet manifold (50) to the fluid covers (51). Remove the seats (101), balls (201), and o-rings (102) from the fluid covers (51). [. . . ] This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco. This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. [. . . ]