GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) - Manual (Page 146)

8. If the unit is not equipped with the load sharing option, proceed to step 9. If the unit is equipped with load sharing, the load share minus (-) bus bar must
be removed as follows.
8a. Remove the 2 retaining nuts (13 mm) connecting the load share bus bar to the SCR output bus bar.
8b. Remove the retaining nut (17 mm) connecting the load share bus bar to the load share terminal on the opposite end of the bus bar (not
shown).
8c. Remove the load share bus bar.
9. Remove both positive (+) and negative (-) SCR output bus bars by removing the 6 connection screws (T50). There are 3 screws per bus bar.
10. Remove the three SCR and diode input bus bars by removing the 6 connection screws (T50). There are 2 screws per bus bar.
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Illustration 8.1: IGBT Modules (2 of 4)
1 Load sharing option retaining studs (Step 8) 4 Positive (+) output bus bar connecting screw (Step 9)
2 SCR and diode input bus bar BB41 (Step 10) 5 Negative (-) output bus bar BB42 (Step 9)
3 Positive (+) output bus bar BB42 (Step 9) 6 Negative (-) output bus bar connecting screw (Step 9)
AF-650 GP and AF-600 FP High Power Service Manual
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