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Liquid Controls, A Unit of IDEX Corp.

 

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PZ-Series Petroleum Pumps—Troubleshooting Guide

Pump Is Noisy

Possible Causes

 

What To Do      

 Cavitation from poor suction conditions Clean inlet strainer. Increase pipe size.
 Vanes sticking Remove vanes and clean out foreign material (check strainer). Replace vanes if swollen.
 Bearings worn Replace if necessary—grease monthly.
 Very high differential pressure Check for restriction in discharge line. Delivery hose too small and too long? Slow down pump!
  
  Check vapor release float assembly on meter air eliminator and meter differential valve.
 PTO shaft vibration Inspect and repair driveline component.

 

 

Corken, Inc.
A Unit of IDEX Corporation
3805 N.W. 36th Street, Oklahoma City, OK 73112 U.S.A.
(405) 946-5576  
FAX   (405) 948-7343

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