05000409/LER-1982-020, Updated LER 82-020/03X-1:on 821119-20,on Three Occasions Vacuum Pump Which Maintains Isokinetic Flow Rate to Stack Activity Monitors Tripped.Caused by Pump & Motor Overheating.Motor Thermal Overload Fuses Upgraded

Updated LER 82-020/03X-1:on 821119-20,on Three Occasions Vacuum Pump Which Maintains Isokinetic Flow Rate to Stack Activity Monitors Tripped.Caused by Pump & Motor Overheating.Motor Thermal Overload Fuses Upgraded

ML20204F589
Person / Time
Site:	La Crosse File:Dairyland Power Cooperative icon.png
Issue date:	04/21/1983
From:	Goodman L DAIRYLAND POWER COOPERATIVE
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20204F564	List: 05000409/LER-1982-020, Updated LER 82-020/03X-1:on 821119-20,on Three Occasions Vacuum Pump Which Maintains Isokinetic Flow Rate to Stack Activity Monitors Tripped.Caused by Pump & Motor Overheating.Motor Thermal Overload Fuses Upgraded 05000409/LER-1983-001, Forwards LER 83-001/03L-0 & Updated LER 82-020/03X-1. Detailed Event Analysis Encl
References
LER-82-020-03X, LER-82-20-3X, NUDOCS 8305020182
Download: ML20204F589 (1)

LER-2082-020, Updated LER 82-020/03X-1:on 821119-20,on Three Occasions Vacuum Pump Which Maintains Isokinetic Flow Rate to Stack Activity Monitors Tripped.Caused by Pump & Motor Overheating.Motor Thermal Overload Fuses Upgraded

Event date:
Report date:
4092082020R00 - NRC Website

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r UPDATE REPORT - PREVIOUS REPORT DATE 12/16/82

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REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l ON 3 OCCASIONS ON NOVEMBER 19-20, THE VACUUM PUMP WHICH MAINTAINS ISOKIN l o 3 i ETIC FLOW RATE TO STACK ACTIVITY MONITORS TRIPPED. WHILE PUMP WAS TRIPP l o 4 l ED, STACK MONITORS CONTINUED TO OPERATE, BUT AIR STREAMS BEING MONITORED l o S l WERE NOT IS0 KINETIC WITH STACK DISCHARGE. STACK AND OTHER AIR MONITORS I o e l INDICATED NORMAL. NO CONSEQUENCES. I l

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33 34 35 36 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h li lo l l PUMP AND MOTOR OVERHEATED, CAUSING MOTOR TO TRIP. PUMP RESTARTFD. ATR I

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