ACTION ITEMS LIST FOR SUPPORT TEAMS AND LOGISTIC ------------------------------------------------ Week 2/96: January 17 - January 23, 1996 ---------------------------------------- Attendance: A Gilliotte, G van den Steen, U Weilenmann, J Fluxa', M Maugis, P Moore, J Roucher, G Andreoni, B Ahumada, G Ihle, R Lemke. 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 New Deadline: end of February (Electronics are on leave now). 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 has prepared a distribution plan, based on TT requirements and cooperation. Responsible: G Ihle Deadline: End of January. CLOSED 96.03 T 95.52.01 AZ/ALT RACKS ARE NOT PROPERLY COOLED ACTION: G Ihle provided the NTTT with the information necessary to operate the temperature control system of these racks. A study for a more suitable system will be started (to be installed at the beginning of big bang) Responsible: G Ihle Deadline: end of January CLOSED 96.02 T 96.03.01 LATERAL SUPPORTS NEED ADJUSTMENTS ACTION: A test-bench will be prepared. Responsible: G Ihle Deadline: end of March 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, waiting for some Lemo connectors. Responsible: now R Medina. Deadline: end of January (to be rescheduled when the connectors arrive). T 95.42.03 N2 BOTTLE FOR ADONIS REFILLING DIFFICULT TO HANDLE ACTION: A platform for the lifting device has been prepared. Responsible: W Eckert Deadline: end of December CLOSED 96.03 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 was in conflict with its use with EFOSC.This LU limitation was not anymore needed, and the program has been modified by Flavio to allow the use of others LU's. Responsible:Andreoni Deadline:End of January CLOSED 96.03 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 were needed for a safe mounting. Responsible: G Ihle Deadline: January 15 CLOSED 96.03 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 DOUBTS ON REOSC PNEUMATIC SYSTEM Action: Calibration has to be checked. Responsible: G Ihle Deadline: End of January T 96.03.01 FIBER CONNECTION IS NOW SHARED WITH DIMM4 ACTION: A new fiber connection dedicated to DIMM4 should be installed. Responsible: M Maugis Deadline: TBD when Medina is back from leave. 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: End of March T 96.02.01 PRESSURE AT THE ENTRANCE OF TURN-TABLE IS CRITICAL AND CANNOT BE CHECKED EASILY. ACTION: a gauge should be permanently installed. Responsible: G Ihle Deadline: TBD once that the gauge has been acquired. 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. T 95.03.01 TIME IS LOST AT STARTUP OF PROGRAM CHOP2 ACTION: Initial tests should be by-passed when the chopping mirror is not needed. Responsible: G Andreoni Deadline: TBD when Flavio is back from leave 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 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 T 96.02.01 THERE IS NO STANDARD PROCEDURE FOR THE USE OF CALIBRATED LIGHT SOURCES Action: The calibrated light sources must first be adjusted. A single procedure must be defined for all TTs, in order to obtain comparable data. A pipe-line for the data reduction must also be prepared. Responsible: N Haddad Deadline: Mid 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 Week 2 2 1 3 26 Week 3 3 3 6 26