246 5977B Series MSD Troubleshooting and Maintenance Manual
9 Parts
The HES Ion Source
Tab le 29 Parts list for HES EI ion source (Figure 65 on page 247)
Item number Item description Part number
1 Source finger grip G7002-20008
2 Filament block G7005-60061
3 Extractor lens (5)
†
, with 3 mm opening
† The number in parenthesis is the number engraved on the lens
G7002-20061
4 Ceramic insulator for extractor G7002-20064
5 Entrance lens (1)
†
G7002-20065
6 Ion focus lens (2)
†
G7002-20068
7 Lens insulator/holder G7002-20074
8 M2 x 0.4 screw x 12 mm long gold plated screw G7002-20083
9 Source body G7002-20084
10 Post extractor lens 2 (3)
†
G7002-20090
11 Post extractor lens 1 (4)
†
G7002-20104
12 M2 x 6 mm gold plated screw G7002-20083
13 Locking ring lens insulator G7002-20126
14 High efficiency dual filament G7002-60001
15 Ring heater/sensor assembly G7002-60043
16 Source mount 1.5 mm G7002-60053
17 Repeller assembly G7002-67057
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