6
Maintenance
Replacing the Ball Valve Seal
Thermo Scientific
TSQ Quantum XLS Series User Guide
105
Replacing the Ball Valve Seal
The ball valve seal in the inlet valve can become worn over time. Replace the ball valve seal if
it leaks air after you insert the direct insertion probe or I/R tool and tighten the inlet valve
knob. The ball valve seal kit (P/N 119265-0003) is included in the Accessory Kit.
The ball valve seal consists of a Teflon™ spool and two O-rings. See
Figure 59.
Components of the ball valve seal and inlet valve
You use the ball valve seal extraction tool (part of the Ball Valve Seal Kit, P/N 119265-0003)
to remove the ball valve seal. See
Tools needed
• Ball valve seal kit (P/N 119265-0003)
Frequency
If the ball valve seal leaks air after you insert the direct insertion probe or
I/R tool into the inlet valve and tighten the inlet valve knob
Ball valve seal
components
Inlet valve
insert
Inlet valve knob
Inlet valve
housing