Agilent Technologies 1200 Series Manual page 95

5 Replace the foam and top cover.
6 Disconnect all capillaries and tubes from the pump head and disconnect the
7 Using a 4-mm hexagonal key stepwise loosen and remove the two pump
8 Place the pump head, on the backside of the plungerhousing, on a flat
9 Remove the support rings from the plunger housing and lift the housing
10 Install the support ring assembly from the active seal wash option kit into
1200 Series Quarternary Pump User Manual
Figure 20 Wire connected to the mainboard.
active inlet valve cable.
head screws and remove the pump head from the pump drive
surface. Loosen the lock screw (two revolutions) and while holding the
lower half of the assembly carefully pull the pump head away from the
plunger housing.
away from the plungers.
the plunger housing.
Figure 21 Inserting the active seal wash support rings.
7
Maintenance
Simple Repairs
95