6-12
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7. Remove twelve (T30) screws from output (lower)
side of IGBT modules.
8. Remove retaining nut (8mm) from each
intermediate IGBT output bus bar. Remove
intermediate IGBT bus bars.
9. Remove 4 nuts (10mm), two on either side,
connecting rectifier DC bus bars to main DC bus
bars. These are located to either side of SCR/
Diode modules.
CONTINUED NEXT PAGE
Figure 6-10. D2 SCR/Diode Module (2 of 4)
IGBT output retaining
screws (Step 7)
Retaining nut
(Step 8)
Intermediate IGBT output bus bar BB30
(Step 8)
Retaining screws
(Step 9)
Retaining screws
(Step 9)
IGBT module
Main DC bus bar BB25
(Step 9)
Bus bar BB27
Bus bar BB31
Bus bar BB30
Bus bar BB26