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So I have m637f pump that keeps passing all the fluid out of a small pin hole on the bottom of the center block, not sure what this hole is for or why its pouring fluid out. Can anyone help with this
 

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So I have m637f pump that keeps passing all the fluid out of a small pin hole on the bottom of the center block, not sure what this hole is for or why its pouring fluid out. Can anyone help with this
There are two weep holes, one below the motor and another one on the block usually when fluid is whipping out of thes you have a bad shaft seal on the motor or a bad seal on your lift ram.

Theses weep holes are there to let fluid out when fluid gets on the wrong side of a seal
 
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