Instruction handbook, 6tube assembly – Watson-Marlow PD12I User Manual
Page 13

INSTRUCTION HANDBOOK
PD12I / PD12P
PD12IP IH 1.03 EN
Version: 1.03
Page 13 of 20
6
Tube assembly
6.1 Assembly
of
Y-connectors
Since the dispenser head of PD12 is fitted with a double rotor, two suction tubes are used all
the way through the dispenser head. These two suction tubes are joined by a Y-connector
just behind the dispenser head.
Fig. 6.1
The chosen tube is joined by a Y-connector as shown in Fig. 6.1.
6.2
Placing tubes in the pump head
After selecting a suitable tube diameter and after fitting the tubes with Y- connector and filling
needle, mount the tubes in the dispenser head.
Fig. 6.2
Open the dispenser head by turning the two locking pins (1) over the tube bridge (2), after
which the tube bridge can be lifted up.
It will now be possible to remove the tube lock (3) from its dowel pin.