ML20084L358

Telecopy Ro:On 740322,TIP Ball Valve 5 Would Not Close Upon Tip Withdrawal.Cause Believed to Be Accumulation of Dried Lubricant from TIP Cable in Valve.Valve Cleaned & Tested

ML20084L358
Person / Time
Site:	Quad Cities
Issue date:	03/22/1974
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	Oleary J US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084L351	List: ML20084L348 ML20084L353 ML20084L358
References
NUDOCS 8305200706
Download: ML20084L358 (1)

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DPR-29 APPENDIX A SECTION 1044 AND 66B1A AT APPROXINATELY 0020 H0l'R S ON 3-22-74 DURING OPERATION OF NUMBER S TIP THE BALL VALVES WOULD NOT CLOSE UNN TIP WITHORA* REGAN ORDERLY LOAD REQUCTION U

ACCORDING TO TECHNICAL SPECIFICATIONS 3703 VALVE WAS CLOSED AT 0250 HOURS ON 3-22-74 UNIT LOAD WAS RETURNED TO NORMAL FAULiY BALL VALVE WAS RE"0VED FOR REPAIRS. PROBLEM BELIEVED TO BE CAUSED C

BY ACCUMULATION CF ORIED LUBRICANT FROM TIP CABLE IN THE BALL VALVE, VALVE INTERNAL WERE CLEANED AND VALVE WAS OPERATED SUCCESSFULL Y FOLL0nING CLEANING.

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