Agilent Technologies Quaternary Pump 1100 Series - Manual (Page 111)

111
Repairing the Pump
Removing and Disassembling the Pump Head Assembly
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. 4 Remove the support rings from the plunger
housing and lift the housing away from the
plungers.
Pump head
Lock screw
Plunger housing
Support ring
Plunger housing
Plunger