1. Recycler/Ecool Shutdown Planning Meeting (6/4/2010)

2. 2 Recycler & Ecool planned jobs (i.e. Electronic Worklist entries)  Replace vertical flying wire (#11649 Mech. Support and #10655 Instrumentation)  4 man weeks (Mech. Support)  Replace beam valve solenoids (#11592-11633 Mech. Support)  110 man hours  Modify Recycler beam valves (#10972 Mech. Support)  16 man hours  Leak check RR800 line (#11943 Mech. Support)  24 man hours  Open, Service & Close Pelletron (#11634 Mech. Support)  4 man weeks  Install and test RGA (#11501 Mech. Support)  4 man hours Please update Electronic Worklist with your jobs Not really a shutdown task

3. 3 Other Recycler/Ecool jobs  Recycler vacuum maintenance (Mech. Support)  Repair ion pumps/gauges as appropriate  TSP sublimation ?  Stochastic cooling system – Peanuts (Mech. Support)  Vacuum pumps maintenance  TWT supplies (filters)  Replace FW paddles/scintillators (Instrumentation)  If necessary  Power supply maintenance (EE Support)  Back flush SPC80 (Water group) ?  Pelletron electrical/controls upgrade & maintenance (EE Support, Kermit)  No job ‘officially’ submitted but included in ‘Ecool detailed jobs’ to follow

4. 4 Detailed Ecool jobs (I)  Test installed NESLAB chiller (Water Group)  Replace NMR pre-amps (Kermit)  In MI tunnel  Collector Water Cooling System (Water Group + Mech. Support (1 person, could be Wayne))  Inspect Collector Cooling System Blower (1 hr)  Replace the collector water flow switch (6 hrs) (Kermit & Hixson)  Sample water  Replace Collector Cooling System water & filter (2 days)  SF6 Dryer/Recirculation System (Mech. Support)  Inspect SF6 Dryer  Inspect SF6 Blower Motor  Replace SF6 Recirculation System Filter (1 day)  Sample SF6 gas  Add SF6 if required  Inspect and repair Dew Point meter (Kermit & Hixson) May not be necessary

5. 5 Detailed Pelletron jobs (II)  SF6 Transfer Skid (Mech. Support)  SF6 Dust Filter (4 hrs)  SF6 Skid Vacuum Pump (change oil) (3 hrs)  Check Drive Belt Tension (0.5 hrs)  Check Oil Level in Sight Window  Check Oil Separator /Filter & Drain of any Oil (1 hr) – Can be done before shutdown  Check Oil Receiver (1 hr)  Check Oil Mist Eliminator (1 hr)  Blackmer Compressor (Mech. Support) (1 day)  Overall Visual Check  Check Crankcase Oil Pressure  Clean Compressor Cooling Fins  Check Crankcase Oil Level  Check V-belt Tension  Change Oil & Optional External Oil Filter (2 hrs) – Can be done before shutdown

6. 6 Detailed Pelletron jobs (III)  Blackmer Compressor (cont’)  Check Inlet Filter/Strainer Element  Inspect Valves  Lubricate 4-way Valve  Lubricate Motor Bearings  Inspect Motor Starter Contact Points  Up Right Lift Truck (Mech. Support)  Check Lift Truck Battery, Charge if Needed  Lift Truck Manufacturer's Recommended Check-up  Water chiller (Water group)  Change all Filters  Check Glycol Concentration in water  Check Refrigeration System  Sample Water from Chiller

7. 7 Detailed Pelletron jobs (IV)  Pelletron (Mech. Support)  Inspect Service Platform  Inspect Pressure Relief Valve  Inspect Charging Chains  Inspect Chain Wheels  Inspect Chain Bearings  Inspect Drive Shaft Bearings  Inspect Idler Pulleys  Replace grounding wire between sheaves (1 hr)  Add instrumentation for the chain-stretch LVDT system (+Kermit) (1 day)  Replace one GVM?  Inspection/cleaning/measurements checklist (3 hrs) – Likely longer Could lead to more jobs

8. 8 Detailed Pelletron jobs (V)  Pelletron (EE – Greg)  Install & troubleshoot new modulator (1 day)  Check/repair BPM D05  Check/repair IPA03  Check/troubleshoot GVM electronics and measure rotation frequency (+Kermit)  Replace the entire electronic “suite” of corona regulation circuits (Kermit) (3 days)  As early as possible  Includes replacing the needles  MI-31 building/utilities (Mech. Support)  Inspect Counterweight System/Motor  Inspect Overhead Crane (Contractor)  Check and ensure all valves are labeled properly  HVAC units maintenance (FESS)

9. 9 Other Shutdown Activities (relevant to Pelletron operation)  Pelletron Safety System test (EH&S)  4 hours  Can be done between U-bend measurements  Controls/networking highly disruptive tasks that will take place (Controls) – Days not scheduled yet (typical number of disrupted days during long shutdown: 8-10)  Networking updates (4-8 hrs per job)  MAC room maintenance  UPS maintenance (MAC room and computing room)  Database maintenance (4-8 hrs per job)

10. 10 My view of the Ecool maintenance schedule Only inside the tank critical tasks are shown