Infusion pump how often maintenance is appropriate?

Infusion pump belongs to the high-precision instrument belongs to the medical equipment, maintenance is more troublesome, as follows:

First of all, the filter of the infusion pump should be replaced frequently. Secondly, it must be pumped into pure water, fully cleaned, and then replaced with a solvent suitable for column preservation and conducive to pump maintenance. Third work to keep an eye on the flow of solvent bottle type, used up if the pump runs empty, but also wear the internal plunger, sealing ring and cylinder will eventually leak.

Then there is the working pressure of the infusion pump, do not exceed the maximum pressure specified, otherwise it is also easy to damage. The mobile phase should be degassed first to prevent air bubbles from forming inside the infusion pump, which can affect the stability of the flow rate, and the pump won't work if there are a lot of air bubbles generated.