Agilent Technologies Quaternary Pump 1100 Series - Manual (Page 116)

116
Repairing the Pump
Installing the Continuous Seal Wash Option
Installing the Continuous Seal Wash Option
Tools required:
❏4-mm hexagonal key
Parts:
❏Seal wash kit (01018-68722)
1 Disconnect all capillaries and tubes from the
pump head and disconnect the active inlet
valve cable.
2 Using a 4-mm hexagonal key stepwise
loosen and remove the two pump head
screws and remove the pump head from the
pump drive. 3 Place the pump head on a flat 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.
Pump head screws
Pump head
Lock screw