Danfoss VLT Series Service Manual page 120

13. Remove 2 IGBT modules by removing 16
retaining screws (8 per module) and slide modules
free from under bus bars.
14. Clean heatsink surface with mild solvent or alcohol
solution.
IGBT module
6-24
VLT is a registered Danfoss trademark
REASSEMBLY
1. Replace IGBT module in accordance with
2. Reassemble remaining parts in reverse order of
3. Reinstall module and mounting screws. Tighten
Figure 6-15. D2 IGBT Modules (3 of 3)
instructions provided with replacement unit.
their removal.
remaining T25 and 8mm screws to 20 in-lbs (2.25
Nm) and T30 and 10 mm to 35 in-lbs (4 Nm).
Retaining screw
(Step 13)