General Maintenance 5
5977 Series MSD Operation Manual 147
4 Extractor lens
5 Extractor lens insulator
6 Filaments
7 Spring washer
8 Lens insulator
9 Entrance lens
10 Ion focus lens
11 Repeller insulator
12 Repeller
13 Flat washer
14 Belleville spring washer
15 Repeller nut
16 Source heater block assembly
17 Repeller block insert
Table 27 Parts list for the extractor EI ion source (Figure 25) (continued)
Item number Item description