ACTION ITEMS LIST FOR SUPPORT TEAMS AND LOGISTIC ------------------------------------------------ Week 1/96: January 3 - January 9, 1996 ---------------------------------------- Attendance: A Gilliotte, G Ihle, P Bouchet, G Mathys, W Eckert, J Fluxa', M Maugis, P Moore, U Weilenmann, G Andreoni. A. NTT T 95.41.01 COOLING LIQUID LEAK IN ALT AND AZ RACK. ACTION. The most urgent repair has been carried out, but a definitive solution has to be implemented. R Parra should be involved. Responsible: G.Ihle Deadline: end of February (new deadline) I 95.44.01 SAFETY OF ELECTRONIC DEVICES SHOULD BE IMPROVED. ACTION: Differential breakers will be installed. Installation will be coordinated with NTTT because it requires the temporarily shut-down of equipments (with assistance from electronics). Responsible: L Aguila Deadline: end of January. T 95.48.01 HORIZONTAL DISPLACEMENT OF M1 SHOULD BE KNOWN ACTION: A permanent gauge will be mounted. Responsible: G Ihle Deadline: April 96 T 95.48.04 N2 BOTTLES ARE LEFT IN THE SUN ACTION: L Gonzales will prepare: a) a distribution plan, based on TT requirements and cooperation; b) handling instructions for the N2 (to limit waste). Responsible: G Ihle Deadline: End of January. T 95.52.01 AZ/ALT RACKS ARE NOT PROPERLY COOLED ACTION: G Ihle will provide the NTTT with the information necessary to properly check and operate the temperature control system of these racks. Responsible: G Ihle Deadline: end of January B. 3.6m I 95.40.01 HATCHES CANNOT BE MOVED WHEN THE RESPECTIVE CONTROL CABLES ARE DAMAGED. This action item was handled over to the 3.6 TT, but it is has been evaluated as pertinent to infrastructure. The work on the most critical hatch (# 3) has been finished. Responsible: L Aguila Deadline: hatch #4 will be completed by end of February. T 95.41.01 HANDSETS PLASTIC ENCLOSURES ARE DAMAGED. ACTION: new enclosures have to be machined, according to specifications provided by Santana. A more resilient material should be used. Three pieces were prepared for the 3.60, and two for the 2.20.Handsets are in the electronic lab. Responsible: now R Medina. Deadline: end of January. T 95.42.03 N2 BOTTLE FOR ADONIS REFILLING DIFFICULT TO HANDLE ACTION: A platform for the lifting device has to be prepared. Responsible: W Eckert Deadline: end of December I 95.42.04 AIR-CO CONTROL POSSIBLE ONLY WITH A CALL TO ELECTRICS. ACTION: The 3.6 team will coordinate with the responsible the hand-over of the operations of this equipment. In the meantime, a switch for the air circulation, with key, has been installed. Responsible: B Ahumada Deadline: end of March 96 I 95.47.01 CABLES LYING ON THE FLOOR OF CASSEGRAIN CAGE CAN EASILY BE DAMAGED. ACTION: A cable holder should be installed.Tel.Team will find a solution. Responsible: L Aguila and Tel.Team. Deadline: June 96 T 95.49.01 PIPES FOR MIRROR COOLING BREAK DOWN REGULARLY ACTION: A new system will be installed. Responsible: G Ihle Deadline: end of January T 95.50.02 LU CONFLICT BETWEEN F/35 AND EFOSC ACTION: F/35 requires the use of LU 43,which is in conflict with its use with EFOSC.This LU limitation is not anymore needed, and the program should be modified by Flavio to allow the use of others LU's. Responsible:Andreoni Deadline:End of January T 95.50.03 THE NEW INS360 WS CRASHES WHEN USED Action: the operating system needs to be reinstalled. Responsible:Andreoni Deadline: end of March T 95.51.01 PROBLEM WITH MOUNTING OF CORONOGRAPH PLATES AFTER THE MODIFICATIONS TO THE APERTURE WHEEL. Action: more metallic frames are needed for a safe mounting. Responsible: G Ihle Deadline: January 15 T 95.51.03 OFFLINE TESTING FACILITY NEEDED Action: it should be set up at the 2nd floor of the 360. The list of desirable components has been forwarded by the 360 TT. Responsible: M Maugis Deadline: end of March (tentative, TBC after the end of E-lab set-up) T 96.01.01 REOSC PNEUMATIC SYSTEM DOES NOT SEEM TO WORK PROPERLY Action: Calibration has to be checked. Responsible: G Ihle Deadline: End of January C. 2.2m T 95.20.02 FABRY-PEROT HAS TO BE EXACTLY CENTERED. ACTION: a centering device, with one millimeter range, has to be added. It is a complicate job and design started only during week 32, which makes impossible to complete the job on time. Advice from G Huster has been received. A simple device has been devised, while a new Fabry-Perot will be procured. Parts have been manufactured. It has been discovered that one of the plates that support the F.P. is glued and cannot be dismounted. A new solution has to be found. Responsible: W Eckert Deadline: TBD (after devising a solution) T 95.50.01 F 35 ADAPTER NEEDS OVERHAUL ACTION: Mirrors have to be cleaned. Drive of guide probe has to cleaned too. Responsible: U Weilenmann Deadline:February,'96 T 95.50.02 VME MOTOR CONTROL FOR IRAC. ACTION: A spare should be provided. Responsible:M.Maugis Deadline: TBD after a study. D D1.5m E. E1.5m T 95.10.01 NEW FOCUS ENCODER ACTION: A new encoder with the same design as at the 1m will be installed. H Kastowsky (2.2 TT), back from his illness has just started (week 34). Additional end-switches and DC motor mounting to be manufactured. A chassis for focus control is ready for mounting. The motor has been ordered (week 46), and it has been received (week 52). Responsible: W.Eckert (support to 2.2 TT) Deadline: End of March '96 F. CAT/CES I 95.50.01 CES DOOR OF CAT CONTROL ROOM IS IN VERY BAD SHAPE Action:the door has been repaired. Responsible:B.Ahumada Deadline:end of January'96 CLOSED 96.01 T 95.51.01 ROTATION AND FOCUS ADJUSTMENTS OF CCD #38 IS DIFFICULT ACTION: A mounting similar to the one of CCD #34 has to be provided (with a micrometer) Responsible: G Ihle Deadline: TBD G. 1m H. 0.9m Dutch T 95.29.01 DOME WHEELS NEED MAINTENANCE ACTION: They have to be machined and installed. Low priority. Responsible: G Ihle Deadline: end of December. T 95.44.01 DOME LOOSES REFERENCE AFTER SOME TIME. ACTION: A new encoder set-up have been installed, such that one dome turn corresponds exactly to one encoder turn. However, it has been found that also this commercial device does not provide an integer ratio. A suitable gear box will be built. Responsible: W Eckert. Deadline: rescheduled: end of March. I. 0.5m ESO J. 0.5m Danish K. Schmidt L. SEEING Monitor M. MIDAS N. SEST O. MARLY EROS2 (formerly GPO) W. CCD detectors. T 95.47.01 A METALLIC ENCLOSURE WITH SPECIAL FEATURE IS NEEDED TO HOUSE NEW ELECTRONIC FOR CCD HOUSEKEEPING CLOSE TO THE DEWAR. ACTION: It will be prepared with the use of the largest possible number of commercial components. Responsible: W Eckert Deadline: end of March Z. General. T 95.52.01 CHANGE IN LEAP SECOND (UTC) MAY HAVE AFFECTED TCSs. ACTION: Michel has sent out a short report on the dependency of each TCS from UTC or ST. Responsible: M Maugis Deadline: January 15 CLOSED 96.01 T 95.52.02 METEO-MONITOR SCALE INADEQUATE FOR DEW POINT IDENTIFICATION. ACTION: Temperature scale to be changed (-5 <-> 25) by J Mendez. Responsible: G Andreoni Deadline: end of March ACTION POINT STATISTICS YEAR 1995: Opened Closed Total Pending Opened Week 1/96 1 2 1 25