ML20136C057

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Site Problem Rept 127 Re Standpipe Gasket Interference W/ Shaft in 2B Reactor Coolant Pump Motor.Pan Was Dropped,New Gaskets & New O-ring Installed.Motor Subsequently Was Successfully no-load Run.No Further Action Required
ML20136C057
Person / Time
Site: Crane Constellation icon.png
Issue date: 06/20/1977
From: Rogers L
BABCOCK & WILCOX CO.
To:
References
TASK-TF, TASK-TMR 127, PROB-770620-01, NUDOCS 7909140334
Download: ML20136C057 (2)


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13-O 6 -12'7 Jj TO: C 4 w er Courcot For Distribution CONTRACT NO:

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0-23-77 DATE:

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i' J. L. Donnell - OFR B. A. Karrasch - Plant Integratiort.

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potentini of.a'sititlar problet:r. This. probic::rldI/is not considered. applicable to other contracts RIMARKs:

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PROBLEM CONTACT TITLE {ator - Lower Bearinz Housing Interference flCP f.

W. D. Corbin DESCRIPriOH Of PROBLEH:

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Upon bumping the 2B RCP Motor for initial motor no-load testing, a whoochir.;;

noise was heard coming from the lower bearing houing area.

Upon inspection, it was discovered that the.ctandpipe casket was interferring with the shaf t.

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b STATUS-ACTION TO DATE, lHCLUDlHG PERSONS CONT ACTED:

The pan was dropped and new gaskets and a new 0-ring installed. The motor has

. subsequently been successfully no-load run. A copy of the assembly procedure is attached.

John Dempsey, Lee Pletke, John Hurst (AC) g Barry Shiflett

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FURTHER ACTION RECOHHENDED BY SITE PERSOHHEL:

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O-Allis Chalners 51 h2 33 001-00h TligE {otor - Lowe-h) #ng Hou:ing Inte:-rerence BC. b PROBLEH CONTACT MAI 30 CHt.RACTERS U. D. Corbin DESCRIPTION OF P R O B L Ell:

Upon bunping the 23 ECp Matcr for initial noter no-load testing, a whooshing noise was heard coning frcn the lower bearing housing a-ea.

Upon inspection, it was discovered that the standpipe gasket was interferring with the shnft.

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STATUS-ACTION TO DATE, IMCLUDING PERSONS CONTACTED:

w The pan. was d opped. and new geskets and a nev 0-ring installed. C'he noter has -

i subsequently been successful.17 no-load. run_ A copy of the asse=bly procedure is attached.

John Dempsey, Lee Pletke, John Eur:-t (AC), Barry Shiflett.

FURTHER ACTION RECOMMENDED Br SLIE PERSONNEL:

IIo further action required C

RESOLUTIOM:

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