Watson & Sons 520DUN user manual

Models: 520DUN

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There are moving parts inside the pumphead. Before opening the tool- unlockable pumphead guard, ensure that the following safety directions are fol- lowed.

￿Ensure that the pump is isolated from the mains power.

￿Ensure that there is no pressure in the pipeline.

￿If a tube failure has occurred, ensure that any fluid in the pumphead has been allowed to drain to a suitable vessel, container or drain.

￿Ensure that protective clothing and eye protection are worn if hazardous fluids are pumped.

￿Primary operator protection from rotating parts of the pump is provided by the pumphead safeguard. Note that safeguards differ, depending on the type of pumphead. See the 28 pumphead section of this manual.

This pump must be used only for its intended purpose.

The pump must be accessible at all times to facilitate operation and maintenance. Access points must not be obstructed or blocked. Do not fit any devices to the drive unit other than those tested and approved by Watson-Marlow. Doing so could lead to injury to persons or damage to property for which no liability can be accepted.

If hazardous fluids are to be pumped, safety procedures specific to the particular fluid and application must be put in place to protect against injury to persons.

The exterior surfaces of the pump may get hot during operation. Do not take hold of the pump while it is running. Let it cool after use before handling it. The drive unit must not be run without a pumphead fitted.

This product does not comply with the ATEX directive and must not be used in explosive atmospheres.

Watson-Marlow 520DuN IP66/NEMA 4X User Manual

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Watson & Sons 520DUN user manual