ML20085F867

Telecopy Ro:On 741008,diesel Generator 1-1 Failed to Start. Caused by Inoperable Solenoid Operated Air Supply Valve. Test Procedure to Be Modified to Use Both Air Start Motors

ML20085F867
Person / Time
Site:	Palisades
Issue date:	10/08/1974
From:	Dewitt R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	Cook R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20085F584	List: ML20085F582 ML20085F859 ML20085F867
References
NUDOCS 8308230531
Download: ML20085F867 (3)

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AT 0637 H0!!RS 10-8-7 A OIESEL GEygn AT09 l-! Y A S T rGT wer> 3Te g 7 y I

@6 ACCORD ANCE VITH MONTHLY TFST PROCED! IRES.

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"'r or THr TO SIR oo y

STARTING MOTORS VAS 'ISED FOR TEST.

THE FIRST ATTc"PT R rS4L T r0

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IN THE F AILURE OF THE AIR START MOTOR To cogrMTE.

THF 01HFP AT9 1

mo (no m START "0 TOR WAS PUT INTO SERVICE AND THE ENGINr STARTED I 'l ELEVEN SECOMOS 'JHI CH EXCEEDS TECH SPEC LIMIT OF TEN 9:C01DS.

A T 1030 HollRS THE PR041CM WAS FilRTHER INVESTIGATFD 110 TWE DIESEL i

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STARTED IN TE9 SECONDS IISING THE 04F nPFR A9LE AIR START MOTOR AND THE OTHE9 AIR MOTOR VAS FOUND TO HAVE AN I N OP ER AoLE ScL E'!OI D OPER ATED AIR SflPPLY VALVE.

THIS SOL EN0I D V ALVF I S PRE 9E'!TLY ' r I 'm REPAIRED.

THIS ITEM H AS BEEN REVIEWED 9Y PRC AND IS CONSIDERED CLOSED IV THiT THE PR03LEM HAS BEEN I NVE STIG A TED, IS 9EING REPAIRED, AND THE DIE 9EL HAS BEEN TEST STARTED WITHIN TEN S EC OND S.

THE PRC ALSO REC 0 " ENDED THAT TEST PROCEDtlRE BE MODIFIED To llSE BOTH AIR START 90T095 70R TEST STARTS AS THIS IS HOW SYSTEM WOULD OPERATr 19 AN rMERGF4CY l

i CONDITION.

THE TEST PROCEDURE MAY ALSO INCLifDE INDEPF9DE9T TESTING j

OF INDIVID'I AL AIR MOTORS quT FAILURE OF ONE AIR MOTOR OR DirqEL TO START llSI4G ONE AIR MOTOR IN REQUIRED TE9 SrCONDS IS NOT TO Ar C0991DERED AN A4909 MAL OCCURPFNCE.

IF Dir3EL STARTS WITHIN 9EQUIRED smeci es e>

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