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: Revision history

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30 December 2020

13 December 2020