Danfoss VLT Series Service Manual page 136

8. If unit is not equipped with load sharing option,
proceed to step 9. If unit is equipped with load
sharing, load share minus (-) bus bar must be
removed as follows.
a. Remove 2 retaining nuts (13 mm) connecting
load share bus bar to the SCR output bus bar.
b. Remove retaining nut (17 mm) connecting
load share bus bar to load share terminal on
opposite end of bus bar (not shown).
c. Remove load share bus bar.
Load sharing option
retaining studs
(Step 8)
SCR and Diode
input bus bar BB41
(Step 10)
7-14
VLT is a registered Danfoss trademark
9. Remove both positive (+) and negative (-) SCR
10. Remove three SCR and Diode input bus bars by
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Figure 7-12. IGBT Modules (2 of 4)
output bus bars by removing 6 connection screws
(T50). There are 3 screws per bus bar.
removing 6 connection screws (T50). There are 2
screws per bus bar.
Negative (-) output bus bar
BB42 (Step 9)
Positive (+) output bus bar
BB42 (Step 9)
Positive (+) output bus
bar connecting screw
(Step 9)
Negative (-) output bus
bar connecting screw
(Step 9)