Watson-Marlow 205S - Manual (Page 7)

7
Fitting an extension pumphead

Remove the front cover plate.

Remove the end plate using a No.2 Pozi screwdriver on the first pumphead to expose the two locating pins and
drive shaft slot.

Remove the planetary gear system cover from the extension pumphead.

Fit the extension pumphead onto the two locating pins, ensuring the tongue of its drive shaft aligns with the
pumphead centre shaft.

Tighten the socket head retaining screws on the right and left of the extension pumphead. Fit the end plate to the
last pumphead and replace the covers.
CA cassette loading
Only use cassettes with manifold tubing.

Place the tube into the tube retaining slots without twisting or stretching it, 1.

Lift the cassette release lever 2.

Load the cassettes into the pumphead, ensuring that they are engaged on to the cassette guides at each end, 3.

Ensure that both retaining lips are engaged and then squeeze the cassette release lever and the tube retaining
lug together, until you hear a click, 4.