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Hersteller: Graco Inc. Dateigröße: 281.35 kb Dateiname: Unterrichtssprache:

These fluids quickly destroy the hose material. Use the optional chemical–resistant hoses. See ACCESSORIES, page 17, for ordering optional hoses. 1. With the system fully primed, trigger the roller valve briefly until paint comes to the roller. 2. Experiment with triggering and rolling the paint until you determine just how often you need to trigger the roller valve to keep an even flow of paint to the roller. 3. To adjust the extension tube length, loosen the locknut and extend or retract the tube. If retracting, some paint in the tube will be pushed out to the roller. Roll this excess paint onto the wall, or completely retract the tube, drain the excess paint into a pail, and then adjust the tube length. Tighten the locknut securely. 4. Whenever you stop painting, turn the ON/OFF switch to OFF and trigger the roller valve. Elevate the roller end of the tube to prevent paint from draining out the roller end. 5. Flush the system thoroughly and immediately after each use to keep it in good working order. See page 6. 307–760 . MAINTENANCE CAUTION Thorough flushing and proper maintenance are essential to keep your system working properly Improper flushing or maintenance may prevent the system from working the next time you need it, and may result in costly damage to the system. ALWAYSflush your system thoroughly and immediately after each use. ALWAYS fully extend the telescoping extension when flushing to clean it thoroughly. ALWAYSdrain all water out of the roller valve and extension and leave the system filled with mineral spirits to prevent corrosion. Flushing (Latex Paint Only) 1. Turn the ON/OFF switch to OFF. 2. Fully extend the telescoping extension. 3. Trigger the roller valve and roll out the excess paint onto a wall or newspaper. Remove the roller cover and diffuser, and soak in a pail of warm soapy water. 4. Place the suction tube in the pail of warm, soapy water. Hold the roller frame over the paint pail, turn on the system and trigger the roller valve to drain and save the paint in the hoses. Release the trigger and shut off the pump as soon as all paint is drained, to avoid contaminating the paint with the flushing water. 5. Now hold the roller frame over the flushing pail. Turn on the pump and trigger the roller valve. Circulate the 6. Raise the suction tube above the water and run the pump for a few seconds to drain the flushing solution. Shut off the pump. 7. Wash off all external parts of the hoses, extension, roller frame, roller valve and pump. 8. Using clean, clear water, flush again, changing water as often as necessary, until the system is thoroughly cleaned. 9. Finally, flush the system with clean mineral spirits for just a few seconds. Open the priming valve and turn off the pump. Some mineral spirits must be left in the system to prevent corrosion. Retract the extension before storing it. CAUTION Never leave water or water-based paint (latex) in the system. To prevent corrosion in the pump, extension, roller valve and roller frame, your final flush must be mineral spirits. 10. Clean the roller cover thoroughly by rinsing it inside and out. Clean the diffuser as explained on page 3. 11. Oil the needle in the roller valve and trigger the valve a few times to distribute the oil. See Detail A, Fig 3. Flushing (Oil–based Paint Only) NOTE: Follow the instructions above, except use mineral spirits. Do not heat the mineral spirits. solution for three to five minutes (five to ten minutes if it is cold). Pump the extension in and out a few times to clean it, and then leave it extended. Open the priming valve for a few seconds to clean the prim- ing tube. Close the valve. Fig 3 EXTENSION MUST BE FULLY EXTENDED WHEN FLUSHING OIL REGULARLY . 307–760 MAINTENANCE Installing and Removing a Roller Cover (See Fig 4) 1. To install a cover, hold the diffuser and unscrew the retainer nut. Slide the cover over the diffuser assembly and reinstall the nut. Do not overtighten the nut. 2. To remove a cover, hold the cover and unscrew the retainer nut. Slide the cover and diffuser assembly off the roller frame. Press on the end of the diffuser assembly to separate it from the cover. Cleaning the Roller Diffuser (See Fig 5) 1. For water base paint (latex), vigorously shake the diffuser in a pail of hot soapy water to remove undried paint. For oil–base paint, use mineral spirits. Use a soft brass bristle brush to remove dried paint. 2. To clear an obstruction in the frame, or for more thorough cleaning, remove the setscrew. Be sure to reinstall it after cleaning. NUT Fig 4 3. Disassemble if further cleaning is needed. a. Remove the two screws. Pull off the outside end cap. Disassemble all parts and clean thoroughly in water or mineral spirits. b. Install the inside end cap on the frame. Lightly grease the u-cup seal with petroleum jelly. Slide the diffusers onto the roller frame. Twist and press the last diffuser to snap the pieces together. c. Install the outside end cap and the two screws. Holding the inside en...

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