Warm Girder UHV Components John Heckman Anthony Di

Warm Girder UHV Components John Heckman Anthony Di. Pette Vacuum Group 2/29/2016

Warm Girder UHV Components • Warm Girder Components • Girder Tunnel Installation • Warm Girder Viewer Bellows Replacements Page 2

Warm Girder Components Non Vacuum Parts: • Girder Pedestal • Quad • Corrector Girder Pedestal Page 3 Quad

Warm Girder Components Vacuum Parts: • Beamline Valve • Beamline Bellows • Pump Drop w/ VIP, Viewer Window, Pirani Gage, Rt. Angle Valve Bellows Pump Drop Viewer & Window Beamline Valve VIP, Pirani Gage Rt. Angle Valve Page 4

Warm Girder Components Vacuum Parts: • Spool Piece • BPM • Spool Piece • Bellows • Fast or Slow Valve Spool Piece BPM Bellows Spool Piece Fast or Slow Beamline Valve Page 5

Warm Girder Components Vacuum Parts: • VAT BL Valve • Stainless Steel, Viton gate seal Page 6

Warm Girder Components Vacuum Parts: • Beamline Bellows and Spool • Stainless Steel • Pump Drop w/ VIP, Viewer, CF Viewer Window, Pirani Gage, Rt Angle Valve • SS Pump Drop • VIP CV- SS, Ceramic, Titanium • Viewer-Stainless Steel • Viewer Window-SS, Pyrex/Quartz • Pirani - Stainless Steel • Rt Angle Valve-SS, Cu sealing gasket Page 7

Girder Tunnel Installation Group: • Install Pedestal and Girder Survey & Alignment Group: • Align Pedestal and Girder Vacuum Group: • BL Vacuum Connect Page 8

Girder Tunnel Installation Beamline Vacuum Connect: • Laminar Flow hood set-up. Doc no. : 11108 S 4205 • Equipment used: • Laminar Flow hood with plastic curtains • Oxygen sensor • Cleanroom garments • Reynolds 624 foil • Cleanroom tools • Isopropyl alcohol • Spray 9 degreaser (for the floor) • Let Laminar flow hood run a 2 -3 hours to clean up (Tribal Knowledge) Page 9

Girder Tunnel Installation Beamline Vacuum Connect (Doc No. 11108 S 4204, 11238 S 3803) • Connect SS vacuum hose to rt angle ss valve on warm region pump drop inside the laminar flow hood. • Pump and purge the hose up to closed rt angle valve through. 5 micron filter with GN 2 six times. • Wait for Turbo to get to minus 7 range • Open rt angle valve to turbo pump • Perform leak check at turbo hose to rt angle valve connection. • Vent girder to GN 2 • Un bolt Conflat blanks on girder • Keep a steady N 2 purge on girder while bolting girder connections to the CM VAT valves. • Beamline Vacuum Connect • Pump, leak check, re establish vacuum Page 10

Warm Girder Viewer Bellows Replacements 12 Locations Viewer Location 1 L 02 1 L 06 1 L 10 1 L 14 1 L 18 1 L 22 2 L 06 2 L 10 2 L 14 2 L 18 1 L 13 New Bellows Done Done Done Blanked Viewer Bellows Repair Assessment Report - Introduction of Contaminants to NL and SL Cryomodules (300 K cryocycle required) Summer 2015 SAD Cryomodule. Contamination_RARWorkspace_083115RAR (Report) Page 11

Reference Information VIPs- Perkin-Elmer -30 L/s D-1 Type ion pump CEBAF spec 11230 S 0011 Gages- MKS Pirani-P/N 99 -4078 Valves- VG-Vacuum Generator All metal Valve CR 38 R/A Bellows- Warm Region Beam Tube assembly 11131 -D-0125 Page 12

Tunnel Laminar Flow Hood Contractor Assurance System Briefing M Dallas October 2010 Page 13