Danfoss VLT Series Service Manual page 108

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
Retaining nut
(Step 8)
Retaining screws
(Step 9)
Bus bar BB30
6-12
VLT is a registered Danfoss trademark
IGBT module
Bus bar BB31
Figure 6-10. D2 SCR/Diode Module (2 of 4)
Main DC bus bar BB25
(Step 9)
Bus bar BB27
Retaining screws
(Step 9)
Intermediate IGBT output bus bar BB30
(Step 8)
Bus bar BB26
IGBT output retaining
screws (Step 7)