Last revised 3/6/98
This checklist will be completed after every restricted access to Hall A during which maintenance is performed
People checking list _______________________________________________________
Electron Arm
Spectrometers
___ correct angle ___________ (not to be used for calculations)
___ correct pointing _________(not to be used for calculations)
___ collimator operation at 3 positions
___ check spectrometer for obstructions to movement
___ check intergen bottles for correct pressure
___ insure that 15 degree stop pin is installed
Vacuum
___ blower on at controls under spectrometer
___ turbo on at turbo controller in rack # 1H71B01
___ pump valves open at valve controller in rack # 1H71B01 channel #2
___ convectron gages read "0" millitorr
___ roughing valve closed at rack #1H71B01 channel # 4
___ cold cathode gages on at gage in rack # 1H71B01 cold cathode < 5x10-5
___ actual cold cathode reading ________
___ entrance & exit vacuum windows functional
magnet controls
Q1
___ Q1 full of liquid (80%) actual______
___ open lead flows on Q1 to 80 slm as read from rack #Q171Q
___ actual lead flows A______ B______
___ cctv camera on and focused
D1
___ Dipole full of liquid (80%) actual______
___ open lead flows on Dipole to 80 slm as read from rack #D171Q
___ actual lead flows A______ B______
Q2
___ Q2 full of liquid (80%) actual______
___ open lead flows on Q2 to 60 slm as read from the Q2 instrument rack meter.
___ actual lead flows A______ B______
Q3
___ Q3 full of liquid (80%) actual______
___ open lead flows on Q3 to 60 slm as read from the Q3 instrument rack meter.
___ actual lead flows A______ B______
Power supplies
POWER SUPPLY TURN ON PROCEDURES
___ Verify UPSs as operational on all power supply controls (with no current on magnets only)
___ red rotating beacons on
Q1:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ visually check power supply for faults
___ when all faults have been cleared, insure that power supply is in remote control
Q2:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ turn on both sets of three pole breakers located on power supply
___ visually check power supply for faults
___ when all faults have been cleared, lift lever on lower right side of supply
___ insure that power supply is in remote control
Q3:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ turn on both sets of three pole breakers located on power supply
___ visually check power supply for faults
___ when all faults have been cleared, lift lever on lower right side of supply
___ insure that power supply is in remote control
Dipole:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ turn on power lever on right upper side of supply
___ visually check power supply for faults on supply and at rack #
___ when all faults have been cleared, insure that power supply is in remote control
___ cctv camera on and focused
___ check power supply for proper polarity
___ NMR gradient compensation for on and proper polarity
Hadron Arm
Spectrometers
___ correct angle ___________ (not to be used for calculations)
___ correct pointing _________(not to be used for calculations)
___ collimator operation at 3 positions
___ check spectrometer for obstructions to movement
___ check intergen bottles for correct pressure
___ insure that 15 degree stop pin is installed
Vacuum
___ blower on at controls under spectrometer
___ turbo on at turbo controller in rack # 1H71B01
___ pump valves open at valve controller in rack # 1H71B01 channel #2
___ convectron gages read "0" millitorr
___ roughing valve closed at rack #1H71B01 channel # 4
___ cold cathode gages on at gage in rack # 1H71B01 cold cathode < 5x10-5
___ actual cold cathode reading ________
___ check dipole turbo for on
magnet controls
Q1
___ Q1 full of liquid (80%) actual______
___ open lead flows on Q1 to 80 slm as read from rack #Q171Q
___ actual lead flows A______ B______
___ cctv camera on and focused
D1
___ Dipole full of liquid (80%) actual______
___ open lead flows on Dipole to 80 slm as read from rack #D171Q
___ actual lead flows A______ B______
Q2
___ Q2 full of liquid (80%) actual______
___ open lead flows on Q2 to 60 slm as read from the Q2 instrument rack meter.
___ actual lead flows A______ B______
Q3
___ Q3 full of liquid (80%) actual______
___ open lead flows on Q3 to 60 slm as read from the Q3 instrument rack meter.
___ actual lead flows A______ B______
Power supplies
POWER SUPPLY TURN ON PROCEDURES
___ Verify UPSs as operational on all power supply controls (with no current on magnets only)
___ red rotating beacons on
Q1:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ visually check power supply for faults
___ when all faults have been cleared, insure that power supply is in remote control
Q2:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ turn on both sets of three pole breakers located on power supply
___ visually check power supply for faults
___ when all faults have been cleared, lift lever on lower right side of supply
___ insure that power supply is in remote control
Q3:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ turn on both sets of three pole breakers located on power supply
___ visually check power supply for faults
___ when all faults have been cleared, lift lever on lower right side of supply
___ insure that power supply is in remote control
Dipole:
___ visual inspection of main current leads, dump resistor, and lead flags (for condition, visual shorts, etc.)
___ unlock power disconnect switch and turn on AC power
___ turn on power lever on right upper side of supply
___ visually check power supply for faults on supply and at rack #
___ when all faults have been cleared, insure that power supply is in remote control
___ cctv camera on and focused
___ check power supply for proper polarity
___ NMR gradient compensation for on and proper polarity
Target
___ windows functional
___ cctv cameras "on" and focused
___ target light "on"
___ backing pump "on" at pump
___ turbo "on" at rack # 1H75B09
___ turbo valve "open" at rack # 1H75B09 channel # 1
___ gages operational
___ convectron "0" millitorr at rack # 1H75B09
___ cold cathode < 5x10-4 at rack # 1H75B08
___ actual cold cathode reading __________
Exit beam tube
___ backing pump "on" at pump and operational
___ valve "open" controlled at rack # 1H75B09 channel # (temp manual at pump)
___ turbo "on" at rack # 1H75B09
___ gages operational
___ convectron "<5" millitorr at rack # 1H75B09
___ actual convection reading ________
___ diffuser cooler on
___ diffuser water level ok
Entrance beam tube
___ insure that Møller turbo is on and running
___ insure that Møller target cooler is on and operational
___ insure that there is cooling water flow to the Møller Dipole
___ insure that ep turbo is on and running
___ beam line vacuum valves "open" (visually checked)
___ instrument air compressor functioning normally
Hall
___ all interlocks in rack # 1H75B08 indicate green
___ check 3 Møller power supplies for on (lights flashing at magnets)
___ check location and operational readiness of Ion chambers
___ correct LCW flow and pressure (100 psi supply and 60 psi return)
___ cctv cameras on and focused
___ cctv monitors at X terminal off
___ clear of unnecessary equipment
___ Man lift and Forklift in truck ramp
___ perform pre sweep of run safe boxes
___ unnecessary personnel exit Hall
___ move Electron spectrometer stairs clear of lower balcony
___ ensure polar crane is positioned over the entrance beam pipe
and that power is off at the power disconnect switch
___ ensure spectrometer entrance window guards are removed
___ ensure target window guards are removed