Agilent Technologies 1290 Infinity User Manual page 88

7
Maintenance
Replacing Valve Heads
1
Switch off the module.
2
Push the valve head for bringing it to its outer position
(TCC only).
3
Remove all capillary connections from the valve head
5
Put the new valve head onto the valve drive such that the
lobe fits to the groove (see also
Heads" on page 42).
88
"Installing the Valve
4
Unscrew the valve head.
6
Screw the valve head onto the valve drive using the union
nut (see also "Installing the Valve Heads"
Agilent 1290 Infinity Valve Drive and Valve Heads
on page 42.