GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) - Manual (Page 117)

11. Remove the SCR gate lead connectors from the modules.
12. Remove the SCR/diode module retaining screws on each module (T30) and remove the SCR/diode modules.
130BX163.10
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Illustration 7.1: 42/44 SCR/Diode Module (4 of 4)
1 SCR/diode module (Step 12)
2 SCR gate lead connectors (Step 11)
3 SCR/diode module mounting screws (Step 12)
REASSEMBLY
1. To replace SCR/diode modules, follow the instructions included with the replacement module.
2. Reassemble in reverse order. Tighten the remaining T25 and 8 mm screws to 2.3 Nm (20 in-lbs) and T30 to 4 Nm (35 in-lbs).
3. Be sure to cross the tighten replacement unit with the spare part per instructions.
AF-650 GP and AF-600 FP High Power Service Manual
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