valutazioni - 4, GPA: 3.5 ( )

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Turn the hex socket head cap screw at the center of the cutter wheel on the bottom of the grinder several rotations clockwise. This will insure that the impeller and cutter are free of any seizure due to prolonged storage. If the impeller is not rotated manually prior to installation, the pump may fail to activate. If the impeller’s rotation is difficult or completely resistant, contact the Liberty Pumps Customer Service Department. Mechanical Installation 3-2 STORAGE BEFORE USE Liberty pumps are shipped from the factory ready for installation and use. They should be held in storage if the pump station is not complete. If storage is necessary, the pump should remain in its shipping container. It should be stored in a warehouse or storage shed that has a clean, dry temperature-stable area where the pump and its container should be covered to protect it from water, dirt, dust, etc. The ends of the cables - (plugs) must be protected against moisture. AT NO TIME SHOULD THE PUMP BE STORED WITHIN AN INCOMPLETE WET PIT. THE PUMP SHOULD NOT BE PLACED INTO THE PIT UNTIL IT CAN BE FULLY OPERATED. LONG TERM STORAGE 1. If it is necessary to store a pump for a long period of time, it should be stored indoors in a clean, dry temperature- stable environment. The pump should be covered to protect it from dust, dirt and water. The plug end of the cable must be protected against moisture. 2. Do not allow the pump to freeze. 3. Prior to installation, the pump motor should be rotated to ensure the seals and cutters are free spinning. 4. Installed pumps which are idle for long periods of time should be manually operated through the breaker panel once a month to lubricate the seals. Turn off the breaker, unplug the piggyback switch, and plug the pump directly into the wall socket. Turn the breaker on for 30 seconds. Turn the breaker off, and then plug the piggyback switch back in. (refer to Section 4-1) 3-3 PUMP INSTALLATION THIS PUMP IS NOT TO BE INSTALLED IN LOCATIONS CLASSIFIED AS HAZARDOUS IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE,ANSI/NFPA 70. • Grinder pumps must be installed in a tank that is vented in accordance with local plumbing codes. Installation should be at a sufficient depth to ensure that all plumbing is below the frost line. If this is not feasible, remove the check valve and size the basin and/or adjust pump differential to accommodate the additional backflow volume. Consult the factory for details on how this should be done. The Omnivore Grinders may be guide rail mounted using Liberty's GR20 guide rail base, or stand-alone. (See Figure 3, page 11) They may be installed as a completely packaged simplex (single pump) or duplex (two-pump) system. Installation of the pump shall be in accordance with state and local codes and performed only by qualified personnel. Typical installations consist of a guide rail mount in a fiberglass, concrete or polyethylene tank. This section assumes guide rail installation. NEVER LIFT THE PUMP BY PULLING ON THE P...

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