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Forwards response to IE Bulletin 85-003, "Motor-Operated Valve Common Mode Failures During Plant Transients Due to Improper Switch Setting." Max differential pressure during both opening & closing of valves consistent w/design basis.

Accession Number: ML20198D213

Date Released: Thursday, July 30, 2020

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• ML20198D207 - Forwards response to IE Bulletin 85-003, "Motor-Operated Valve Common Mode Failures During Plant Transients Due to Improper Switch Setting." Max differential pressure during both opening & closing of valves consistent w/design basis. (9 page(s), 5/15/1986)
• ML20198D236 - Rev 5 to Maint Procedure MP 1410.32, "Testing of Motor- Operated Valves Using MOVATS." (32 page(s), 5/2/1986)
• ML20198D255 - Rev 2 to Maint Procedure MP 1411.04, "Maint & Repair of Limitorque Valve Operators Type SMB-000 & SMB-00." Temporary Mod Request T-9969,indicating rewiring of FCR 85-302 MU-11 to torque out in open direction,encl. (66 page(s), 12/27/1986)
• ML20198D284 - Temporary Mod Requests T-10172,T-9693,T-9549,T-9542,T-9488 & T-9478 to Rev 0 to Maint Procedure MP 1411.05, "Maint & Repair of Limitorque Valve Operators Types SMB-0 Through SMB-4." T-101.72 adds steps for sizing housing cover gasket. (12 page(s), 2/5/1986)
• ML20198D318 - Temporary Mod Requests T-10161 & T-10144 to Maint Procedure MP 1411.07, "Maint & Repair of Limitorque Valve Operators Type SMC-04," adding steps to grease 6.13.9 NOT gear box & for dissassembly/reassembly of gear box respectively. (8 page(s), 1/31/1986)
• ML20198D330 - Temporary Mod Request T-10038 to Rev 0 to Maint Procedure MP 1411.08, "Velan Bolt Bonnet Swing Check Valve Maint," providing instruction for reassembly of FW-1009. (1 page(s), 1/15/1986)