Exchanging The Outlet Ball Valve - Agilent Technologies 1200 Series Reference Manual

4 Repairing the Pump

Exchanging the Outlet Ball Valve

When required
Tools required
Parts required
Preparations for this
procedure
Before exchanging the outlet ball valve you can try to clean it in a sonic bath for
N O T E
5 – 10 minutes. Place the valve in an upright position in a small beaker with alcohol.
1 Using a 1/4 inch wrench disconnect the valve capillary from the outlet ball
2 Using the 14 mm wrench loosen the valve and remove it from the pump
3 Check that the new valve is assembled correctly and that the gold seal is
Valve body
Gold seal
Plastic cap
Figure 15
4 Reinstall the outlet ball valve and tighten the valve.
104
If internally leaking
Wrench 1/4 inch
Wrench 14 mm
Outlet ball valve G1311-60012
Switch off quaternary pump at the main power switch
Remove the front cover
valve.
body.
present (if the gold seal is deformed, it should be replaced).
Outlet Ball Valve Parts
1200 Series QP Reference Manual