VEVOR QBK-40L Mode D'emploi page 13

MATTERS NEED ATTENTION
1.If the pump vibration is very slight,there is generally no need to
install the foundation bolts.
2.1f the compressed air is mixed with dirty things,normal starting of
the pump will be influenced.It is suggested that the usershould
additionally install the pneumatic triplex parts.
3.When pumping media that will easily freeze or deposit,please
install a valve at the inlet of the pump.If the pump is to
bestopped,please firstly close the valve,and then run the pump for
several minutes to empty the media inside the pump and cleanthe
accumulated liquid inside the pump in time,so as to avoid any
difficulties in starting the pump next time.
4.When replacing the diaphragm,please clean the connecting rod in
the inner cavity and the copper bush of the pump.And
avoiddamaging the white PTFE seal ring.Make the reassembly as
original,and the pump can be used.
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