620Rea And 620Re4A Loadsure Tube Element Loading - Watson Marlow Pumps 620RA Serie Manual Del Usuario

Pre-load checks
Before loading tubing, ensure that all rollers rotate freely, that the tube ports and location grooves
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are clean and that if in use, the controlled waste pipe work is free of any obstructions.
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.
Ensure that the guard seal is clean, replacing it if necessary.
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Ensure that the rollers are engaged and locked out against the tubing
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Ensure the latch mechanisum is free of any obstructions.
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Close the guard and push it against the track until the latch engages.
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Connect suitable pipe work to the pumphead using the appropriate connectors.
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620REA and 620RE4A LoadSure tube element loading

620REA element pumpheads are factory set to accept Watson- Marlow LoadSure tube elements.
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Pumping performance will be adversely affected if LoadSure elements are not used
Disengage rollers
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Locate one of the "D"-shaped flanges into the lower port. (The "D" flange ensures that the element
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can only be loaded correctly)
Wrap the tube element around the disengaged rollers of the rotor.
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Locate the second "D"-shaped flange into the upper port
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Ensure the flat face of each "D" flange sits flush to the flange sealing face of the track
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Engage rollers
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Close the guard and push it against the track until the latch engages.
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