ML20058L029

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Ler.On 751116,during Test,Number 12 Diesel Generator Tripped on Overspeed During Fast Start.Caused by Maladjusted Cam Operated Switch in Fast Start Control Circuitry.Adjustment Made
ML20058L029
Person / Time
Site: Monticello 
Issue date: 11/26/1975
From: Goranson R
NORTHERN STATES POWER CO.
To:
Shared Package
ML20058L017 List:
References
LER-LER-751126, NUDOCS 9105070357
Download: ML20058L029 (1)


Text

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6 57 SB 59 60 61 68 69 74 75 60 hENT DESC AF7 tCN 12 Diesel cenerator Tripped on overspeed during fast start.

railu rel BE l nuring Test, 7 69 BD 0

l due to naladiusted can operated switch in fast start cont rol ci rcui t rv.

Adiustmentl 7

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@ l made and operability demonstrated. Redundant diesel generator was fully operable. l 7 89 99 b nre M nne c hil n r nernrrence (An 263 /75-23) l 7 89 gg 3

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C: I ti ti b_J le ix icl !!n Ici l^ l Irl114171 151 7 89 10 11 12 17 43 44 47 48 CAUSE DESCAiPTION BE Icans i= properly positioned when engine governor was replaced on October 16, 1975.

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Elect ro-Motive division Model 999-20.

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FAC7 C AS 13 Operability of the diesel generators not required at time of discovery.

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1:ichard A.

Goranson 612-295-5151 NAME N ONE ge.....,