Graco 965478 - Manuals

684025 9 Ratio Adjustment Understanding the terms used with the Hydra–Cat (H.P.) System , how it functions, and how to find and set the correct ratios for your application is the key to easier, more versatile operation of your proportional system. Be sure to read and understand the following informa...

684025 11 Operation WARNING System Flushing INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting orspraying accidentally. Fluid under highpressure can be injected through the skin andcause serious injury. To reduce the risk of aninjury from injection. To...

12 684025 Checking the Ratio Note: The mix ratio must be checked at the normal operating fluid pressure of the pump. Most mixermanifolds provide a means for checking mix ratiothat includes needle valves for adjusting the fluidpressure during the test. The following procedure isan example of how to p...

14 684025 Troubleshooting Troubleshooting Techniques Because the pumps are mechanically linked, the action ofone pump can affect the readings of the second pump.Therefore, the key to successful troubleshooting is to be sure to isolate the problem. For example, if the secondary pump pressure, as read...

684025 15 Troubleshooting Chart PROBLEM CAUSE SOLUTION System will not run orstops while running. Air pressure or air volume is too low. Increase air pressure. Check air compressor and air supply filtersregulator, lubricator valves and other components for blockagesand restrictions. If this is a new...

16 684025 Service Required Tools • Set of large adjustable wrenches • Set of metric sockets or wrenches • Large pipe wrench • Torque wrench • Rubber mallet • Flat end punch 4. W ith the bleeder type main air valve turned off (1), remove the thumb screws (14) and the two guards(15) from the sides of ...

684025 17 Reconnecting the Displacement Pump CAUTION 1. Make sure the coupling nut (10,11) and the coupling collars (12) are in place on the displacement rod. SeeFig. 6. Be sure to use an overhead hoist when lifting, moving ordisconnecting the air motor. This air motor weighs 145lbs. and is too heav...

684025 19 Dimensions (A) Height.......................................... 66.0 inch 1676 mm) (B) Length .......................................... 31.5 inch (800 mm) (C) W idth ........................................... 33.0 inch (838 mm) (D) Air Inlet..................................................

684025 21 Technical Data Air motor effective diameter ....................................................................................Premier 12.64” (321 mm) ............................................................................................................................ King 10.00” (...

22 684025 Graco Standard Warranty WARRANTY Graco warrants all equipment manufactured by it and bearing its name to be free from defects inmaterial and workmanship on the date of sale by an authorized Graco distributor to the originalpurchaser for use. As purchaser’s sole remedy for breach of this wa...