Watson-Marlow 505Di - Manual (Page 13)

13
Tube loading
Double-y element
Lift the track locating levers and remove track. Locate one end of double-y element over one of the 505L clamping pegs.
Stretch the element over the rotor and locate the other end of the element over the second 505L clamping peg. Replace
the track and push down the track locating levers. (See pumphead installation).
Twin inlet tubes
Lift the track locating levers and remove track. Twist and remove the 505L inlet clamping peg. Connect the twin inlet
tubes and outlet tube using the appropriate y piece connector and clamps. Fit the inlet tubes into the correct size
clamping block. Locate the clamping block onto the 505L (push down and twist locking fastener to secure). Stretch the
tubes over the rotor and locate the y-piece end of the element over the second 505L clamping peg. Replace the
track and push down the track locating levers.
Two independent tubes
Lift the track locating levers and remove track. Twist and remove the 505L clamping pegs. Fit the two tube into the
correct size clamping blocks. Distance between blocks = 145mm for up to 8.0mm bore; 150mm for 9.6mm bore. Fit the
inlet tube clamping block to the 505L. Stretch the tubes over the rotor and fit second tube clamping block to the 505L.
Replace the track and push down the track locating levers. When using Marprene it is important to check the distance
between the clamping blocks after 30 minutes running time.