Lubrication of the Peristaltic Pump Head on the 7700 ICP-MS

Greetings All,

When I was running the other day, I noted that my pump head was making an intermittent squeaking noise.  Perhaps the bearings are starting to wear or there is the need for some type of lubrication.  Short of replacing the pump head, has anyone tried lubricating the bearings/pump head?  Was it necessary to dissassemble the pump head? What did you use as a lubricant?



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