User manual GRACO FAST-FLO 307456U

[. . . ] Fluid splashed in the eyes or on the skin can also cause serious injury. D Fluid injected into the skin might look like just a cut, but it is a serious injury. D Always have the tip guard and the trigger guard on the gun when spraying. D Follow the Pressure Relief Procedure on page 5 if the spray tip/nozzle clogs and before cleaning, checking, or servicing the equipment. [. . . ] 307456 5 WARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally. Fluid under high pressure can be injected through the skin and cause serious injury. To reduce the risk of an injury from injection, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you: D D D D are instructed to relieve the pressure, stop spraying/dispensing, check or service any of the system equipment, or install or clean the spray tips or nozzles. Troubleshooting WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 5. Relieve the Pressure before you check or service any system equipment. NOTE: Check all other possible problems and solutions before disassembling the pump. If the motor does not start, service the air piston (11) or springs (5 and 20). See Cleaning the Muffler on page 7. Problem Air motor stalls Air leaks down along the piston shaft (23) Air leaks from the piston shaft relief holes (23a) Slow operation 6 307456 Service NOTE: Repair Kit 214584 is available. For best results, use all the new parts in the kit, even if the old parts look good. Parts included in the kit are marked with a dagger, for example (6), in the text and illustrations. A decrease in performance accompanied by a slower than normal cycle rate is commonly caused by icing. It is recommended that the pump is shut down, and the ice is allowed to thaw. Apply a good grade of thread sealant to the threads of the screws (12). With the washer (4) in place, apply thread sealant to the threads of the piston. Carefully screw the piston (11) onto the shaft (23) by hand so it is securely fastened. When installed, there should be 0. 8 mm (0. 032 in. ) minimum clearance between the washer (4) and the piston shaft shoulder. 2. Air Piston and Lower Spring Service WARNING To reduce the risk of injury from trapped air pressure when servicing the air motor, always remove air cap (7) from air cylinder (8) before removing air cylinder from base (22). To remove the spring (5), pry gently under the coils in the direction of the helix. Unscrew the cylinder (8) from the base (22) and lift the cylinder off the air piston (11). Using a pliers (B) on the air exhaust plate (16) and a wrench (C) on the piston shaft (23), unscrew the piston from the shaft. To remove the spring (5), pry gently under the coils in the direction of the helix. Unscrew the cylinder (8) from the base (22) and lift the cylinder off the air piston (11). Disconnect the piston shaft (23) from the pump connecting rod and pull the shaft up out of the air motor base. Remove and inspect the packing (9), being careful not to mar the inner lip. [. . . ] Any action for breach of warranty must be brought within two (2) years of the date of sale. 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. [. . . ]