5-78 Maintenance Procedures
13. Use the 1.5-mm Allen wrench to fit and tighten the 2 screws securing
the heater wires to the PEEK terminal block.
14. Fit the ion block cover plate to the ion block assembly, and then use the
2.5-mm Allen wrench to tighten the 4 captive screws securing ion block
cover plate.
15. Fit the ion block assembly to the instrument (see “Fitting the ion block
assembly to the source assembly” on page 5-45).