If you have no water then maybe the water table has dropped below the level that your wellpoint is sucking from......assuming this is a well point pump.
If that's the case a newer/bigger/better pump won't help.
As Dave suggested the suction is on the front and the discharge is on the top. Please be carefull, many pumps aren't rated to run dry for extended periods. Damage cause by this won't be covered under warranty.
Here's a drawing of part of a system I specified a few years ago, not sure if it's relevant for your setup or not unless you can give more info..
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