Waters SYNAPT G2 Operator's, Overview And Maintenance Manual page 110

4. Using the combined 2.5-mm Allen wrench and cone extraction tool,
unscrew the 4 captive screws that secure the ion block assembly.
5. Remove the ion block assembly from the PEEK ion block support.
5-32 Maintenance Procedures
Ion block assembly
securing screws
TP03130
PEEK ion block
support
Ion block assembly
TP03130