Updated November 16

Preliminary setup work on floor of hall for 94-104(Pion)

• breakdown Pb-glass stand from 99-007(GEP)
• • Completely disconnect cables from stand
  • unbolt and remove lifting brace
  • unbolt and set glass wall on floor
  • remove CAMAC crate from shield hut
  • remove cables to shield hut
  • reconnect delay cables at rear of detector stack
  • remove patch panels from rear of detector stack
• install Pb-glass in Total Absorber frame
• ready Pb-glass for installation in Pion Rejector frame

To setup Hadron detector stack (left arm) for 94-104(Pion)

• install stop at end of flat wheel track - use 1/2" grade 8 bolts
• install section of angle track at the door - use 1/2" bolts (3/4" socket)
• install exit window cover
• raise VDCs
  • rotate bottom S1 counter so scintillator paddle is horizontal (gives room to raise VDC below it)
  • install aluminum covers on the top of the VDCs
  • disconnect ground strap to box beam
  • remove bolts at stops at rear of VDC assembly
  • pull VDCs forward till the lifting bolts can be inserted through the holes in the lifting beams into the plates welded onto the Detector Support Frame
  • turn nuts of lifting beams at front and rear of VDC to raise bearings above Thompson rails
• disconnect handshake cables at front/side of stack (just a few cables)
• remove large staircase from platform
• remove small staircase from platform
• remove storage cabinets from platform
• grease rails
• release chainfall at rear wheel of detector stack
• pull stack out
• work on stack
  • remove A1
  • remove S2
  • remove SC1
  • remove SC2
  • remove upstream polyethylene
  • remove polyethylene between carbon doors
  • remove supports from between carbon doors
  • attach new braces and S0 to A1
  • install Pion Rejector
  • install Gas Cherenkov
  • install A1/S0 assembly
  • install A2
  • install S2
• pull stack back in
• connect and snug-up chainfall at rear wheel of detector stack
• place large staircase on platform
• place small staircase on platform
• place storage cabinets on platform
• lower VDCs
  • turn nuts of lifting beams at front and rear of VDC to lower assembly onto the Thompson rails
  • install bolts at stops at rear of VDC assembly
  • connect ground strap to box beam
  • rotate bottom S1 counter into correct orientation
• connect handshake cables at front/side of stack (just a few cables)
• remove aluminum covers from the top of the VDCs
• rotate bottom S1 counter into correct orientation
• remove exit window cover
• remove section of angle track at the door - save the 1/2" bolts
• remove stop at end of flat wheel track - save the 1/2" grade 8 bolts

To setup Electron detector stack (right arm) for 94-104(Pion)

• install stop at end of flat wheel track - use 1/2" grade 8 bolts
• install section of angle track at the door - use 1/2" bolts (3/4" socket)
• install exit window cover
• raise VDCs
  • rotate bottom S1 counter so scintillator paddle is horizontal (gives room to raise VDC below it)
  • install aluminum covers on the top of the VDCs
  • disconnect ground strap to box beam
  • remove bolts at stops at rear of VDC assembly
  • pull VDCs forward till the lifting bolts can be inserted through the holes in the lifting beams into the plates welded onto the Detector Support Frame
  • turn nuts of lifting beams at front and rear of VDC to raise bearings above Thompson rails
• disconnect handshake cables at front/side of stack (just a few cables)
• remove large staircase from platform
• remove small staircase from platform
• remove storage cabinet from platform
• grease rails
• release chainfall at rear wheel of detector stack
• pull stack out
• work on stack
  • install Total Absorber frame with Pb-glass installed in it
  • install lower LeCroy 1458 high voltage power supply crate
• pull stack back in
• connect and snug-up chainfall at rear wheel of detector stack
• place large staircase on platform
• place small staircase on platform
• place storage cabinet on platform
• lower VDCs
  • turn nuts of lifting beams at front and rear of VDC to lower assembly onto the Thompson rails
  • pull VDCs back in against their stops
  • install bolts at stops at rear of VDC assembly
  • connect ground strap to box beam
• connect handshake cables at front/side of stack (just a few cables)
• remove aluminum covers from the top of the VDCs
• rotate bottom S1 counter into correct orientation
• remove exit window cover
• remove section of angle track at the door - save the 1/2" bolts
• remove stop at end of flat wheel track - save the 1/2" grade 8 bolts