Danfoss VLT Series Service Manual page 119

7. Remove 4 (10mm) retaining nuts at top of IGBT
bus bar assy.
8. Remove 12 retaining screws (6 on each module)
on upper portion of IGBT modules. These screws
also attach the snubber capacitors to the IGBT
modules (see Figure 6-15, 1 of 3 for snubber
capacitor location). Remove the snubber
capacitors.
9. Remove 10mm retaining nut from IGBT bus bar
assy.
10. Remove IGBT bus bar assy.
Retaining screws
(shown removed)
(Step 8)
IGBT module
Retaining screws
(Step 11)
Retaining nut
(Step 12)
Intermediate IGBT output bus bar BB30
(Step 12)
11. At bottom end of IGBT module, remove 12
12. Remove retaining nut (8mm) from 3 intermediate
CONTINUED ON NEXT PAGE
IGBT bus bar assembly BB29
(Steps 7 & 10)
Retaining nut
(Step 9)
BB31
Figure 6-15. D2 IGBT Modules (2 of 3)
retaining screws (4 each for U, V, and W
intermediate IGBT output bus bars).
IGBT output bus bars. Remove intermediate IGBT
output bus bars.
IGBT module
BB30
VLT is a registered Danfoss trademark
Retaining nut
(Step 7)
6-23