Exchanging The Plungers - Agilent Technologies 1200 Series Reference Manual

4 Repairing the Pump

Exchanging the Plungers

When required
Tools required
Parts required
Preparations for this
procedure
1 Disassemble the Pumphead assembly.
112
When scratched
Wrench 1/4 inch
4-mm hexagonal key
Plunger 5063-6586
Switch off quaternary pump at the main power switch
Remove the front cover
"Removing the Pump Head Assembly"
2 Check the plunger surface and remove any deposits or
Support ring
Plunger housing
Plunger
on page 108
layers. Cleaning can be done with alcohol or tooth paste.
Replace plunger if scratched.
1200 Series QP Reference Manual
Plunger surface