Watson-Marlow 900 Series User Manual
Page 8

Page
8
Isolate the motor from the
mains supply before opening
the pumphead door.
Swing the pumphead door open.
Remove the tube from the
pumphead.
Check that there is no debris
inside the casing and that it is
clean. Check that the front casing
lubricant seal is not damaged,
then secure the door with the four
door locking screws and the Allen
key supplied ensuring the seal is
seated correctly.
Powered tube fitting
Isolate the motor from the
mains supply before opening
the pumphead door.
Close and lock the pumphead
door with the four door locking
screws and Allen key supplied.
Take a new piece of tubing and
smear Silicone grease or tube
lubricating oil on the outside of the
tube. Connect motor to the mains
supply. Start the pump and with
care, feed the tube into the
pumphead following the
anticlockwise rotation of the rotor.
Continue feeding until the other
end of the tube is level with the
pump face. Stop the motor.
Slide the support ring (the shortest
ring), compression gland and the
compression ring (which has a
step to allow ease of location into
the tube port) onto the tube. Push
the connector into the pipe.
Repeat for the other end of the
tube.
➀
Connector ➁ Compression ring
➂
Support ring ➃ Tube
➄
Compression gland