TM 5-4320-306-102-6. OPERATING PROCEDUREa. Setup instructions. Proper selection of an operating site is important for efficient and troublefree pumpoperation. Since the centrifugal pump unit is self-contained, it can be moved to the most favorable operating site. Selectan operating site with the following characteristics.(1) Locate unit as close as possible to the liquid to be pumped with the suction (inlet) side toward thesource. Keep both the length of the suction hose and the height of the suction lift as short as possible.(2) The operating site should be as level as possible (no more than 15 degrees slope) or the enginelubrication system may not work properly.(3) Keep the suction and discharge hoses as short and straight as possible.(4) Allow adequate space to permit support of the suction and discharge hoses where they enter the pump.b. Grounding. Ground the centrifugal pump unit as follows.(1) Connect ground cable assemblies (1) to ground connection (2). Be sure that electrical connection istight.NOTEThe earth surrounding ground rods must be moist to make a good electrical connection. In dry orsandy areas, pour water around the rods to improve the connection.(2) Drive ground rods (3) a minimum of 2-1/2 feet (0. 762 m) into the ground. Use nonsparking malletstowed in tool box.(3) Connect ground cable assemblies (1) to ground rods (3). Be sure that connector (4) has made a tightelectrical connection.2-54
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