Watson-Marlow 053.0001.A00, User Manual

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13 General operation
There are moving parts inside the pumphead. Before opening the
pumphead guard, ensure that the following safety directions are
followed:
1. Ensure that any motor drive connected to the pumphead is
isolated from any electrical or compressed air supply.
2. Ensure that there is no pressure in the pipeline
3. 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
4. Ensure the pumphead is isolated from the fluid supply
5. Ensure that appropriate Personal Protective Equipment (PPE) is
worn
Opening the pumphead guard
l
Isolate the pump from the mains power supply.
l
Unlock the pumphead guard by turning the guard fastener ¼ turn anticlockwise with a flat-head
screwdriver suitable for the hazardous area.
l
Open the guard to its full extent to create maximum clearance for the tube ports.
l
Ensure that the rollers rotate freely and that the tube clamps are clean.
Pre-load checks
l
Before loading tubing, ensure that all rollers rotate freely, that the tube ports and location grooves
are clean
Closing the pumphead guard and start-up
Ensure no debris, loose fastenings or other foreign objects are in
pumphead before start-up. Failure to do so may result in an explosion
hazard.
l
Close the guard and engage the guard locking by turning clockwise with a screwdriver.
l
Connect suitable pipe work to the pumphead using the appropriate connectors.
PB0346:m-501atex-en-03 26
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