GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) - Manual (Page 127)

13. Remove the 2 IGBT modules by removing the 16 retaining screws (8 per module) and sliding the modules free from under the bus bars.
14. Clean the heatsink surface with a mild solvent or alcohol solution.
130BX126.10 1
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Illustration 7.1: 42/44 IGBT Modules (3 of 3)
1 IGBT module
2 Retaining screw (Step 13)
REASSEMBLY
1. Replace the IGBT module in accordance with the instructions provided with the replacement unit.
2. Reassemble the remaining parts in reverse order of their removal.
3. Reinstall the module and mounting screws. Tighten the remaining T25 and 8 mm screws to 2.3 Nm (20 in-lbs) and T30 and 10 mm to 4 Nm (35 in-lbs).
AF-650 GP and AF-600 FP High Power Service Manual
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