MSD Machine Operations Report Summary
Wednesday, April 12, 2023

Proton Source
1. Mechanical/Vacuum
	a. Nothing to report
2. Fluids
	a. KRF6 fan coil changed out Tuesday

Main Injector/Recycler
1. Mechanical/Vacuum
	a. Monday and Tuesday night R:IP901D tripped and Ops reset it
	b. Request submitted to look at I:IP836 and I:IP839 and possibly replace those patch cables in the 8 GeV line
	c. Plan to address both issues during summer
2. Fluids
	a. MI magnet LCW system level good
	b. Worklist request entered to replace several orange hoses in the Main Injector

External Beamlines
1. Mechanical/Vacuum
	a. Nothing to report
2. Fluids
	a. NS2
		i. Seeing a lot of issues with the expansion tank level recently and expect the situation to remain the same until peak summer weather
		ii. Working on the temperature regulation with 3 way valve to mitigate issue
		iii. Planning to enable cooling tower sprayers soon when technicians are available
		iv. DI loop regulation work planned to start Tuesday, 4/18
	
Fluids – General
1. CUB
	a. Made up to spheres through column II
		i. Added only 1000 gallons due to leak caused by cold water temps
		ii. Leak went away after water warmed up
	b. Column II resistivity improved and valved it into REM system
	c. REM system resistivity is improving with both columns online