Watson-Marlow 621CC - Manual (Page 21)

21 620RE and 620RE4 tube element loading

620RE element pumpheads are factory set to accept Watson-Marlow LoadSure tube
elements. Pumping performance will be adversely affected if LoadSure elements are
not used.

Disengage rollers

Locate one of the "D"-shaped flanges into the lower port. (The "D" flange ensures
that the element can only be loaded correctly).

Wrap the tube element around the disengaged rollers of the rotor.

Locate the second "D"-shaped flange into the upper port.

Ensure the flat face of each "D" flange sits flush to the flange sealing face of the
track.

Engage rollers

Close the guard and push it against the track until the latch engages.
Tube element loading
Page 21 of 46 Watson-Marlow Bredel E-Manuals
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