1. Normal Maintenance ID Flushing Technical stop end of 2010 Maintenance dryers –Done by the company Donaldson Recalibration H2O meter Recalibration Safety valves Change all filters (see picture)

2. Location of Filters

3. Ref. schematic TypeSource ref. Cartridge ref. Particle size/ Oil fraction F1CoalescingCERN stores40.05.10.211.0-20μ F2CoalescingAtlas CopcoDDp 442901 0529 001μ F3ParticulateDonaldsonMFService pack0.01μ/0.03ppm F4ParticulateDonaldsonPEService pack25μ F5Fine particulateDonaldsonDF 0120SS01200.01μ/<0.01ppm F6Active carbonDonaldsonDF 0120AA0120<0.003ppm F7CoalescingCERN stores40.05.10.201.2-20μ F8ParticulateDonaldsonMFService pack0.01μ/0.03ppm F9ParticulateDonaldsonPEService pack25μ F10Fine particulateDonaldsonSMF03/100.01μ/<0.01ppm F11Active carbonDonaldsonAK03/10<0.003ppm F12CoalescingCERN stores40.05.10.211.0-20μ F13Fine particulateDonaldsonDF 0120SS01200.01μ/<0.01ppm F14Active carbonDonaldsonDF 0120AA0120<0.003ppm FILTERS SPECIFICATIONS

4. Work packages for the technical stop july 19th Change pressure sensor PT01 –Found new sensor Change switch on panel –No spare for the moment Connection COLDBOX on the finally system –New MFM installed + manometer Dismount temporary system –Move H2O Meter –Move Safety valve

5. SPARE PARTS

6. SWITCH OVER PANEL

8. Problems found For the moment no spares. Material used ATEX????!!!! New material found –Different sizes –Different connexions Maybe Construction of a new panel? –With standard material –cheaper than the Atex used now. –Support of the company Installation end of the year?