Thermo Scientific iQ Series Instruction Manual page 255

Servicing
Optional Manifold Replacement
Figure 7–51. Replacing the Manifold pt 2
4. Disconnect tubing.
5. Using a #2 Phillips drive, unfasten four #8-32 socket cap head screws.
Figure 7–52. Replacing the Manifold pt 3
6. Replace the manifold and assemble in reverse order.
Thermo Scientific 42iQTL Instruction Manual 7-51