ACTION ITEMS LIST FOR SUPPORT TEAMS AND LOGISTIC --------------------------------------------------------------------------------- Week 14/96: April 3 - April 9, 1996 ---------------------------------------- Attendance: U Weilenmann, S Guisard, M Mornhinweg, P Sinclaire, G Mathys, J Fluxa, L Pasquini, A Gilliotte, G Andreoni, B Ahumada, G Ihle, W Eckert, G Lundqvist, J Brewer. A. NTT 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 equipment (with assistance from electronics). Responsible: L Aguila New Deadline: end of March (New: Electric are now on leave). T 95.48.01 HORIZONTAL DISPLACEMENT OF M1 SHOULD BE KNOWN ACTION: Permanent gauges have been ordered. Responsible: G Ihle Deadline: April 96 T 96.03.01 LATERAL SUPPORTS NEED ADJUSTMENTS ACTION: A test-bench has been prepared. To be accepted. Responsible: G Ihle Deadline: end of March T 96.07.01 COOLING SYSTEM OF ELECTRONIC RACKS NEEDS MODIFICATIONS ACTION: Components have been ordered. Responsible: G Ihle Deadline: 12/Jul/96 T 96.12.01 VLT ALIGNMENT DEVICE HAS TO BE MOUNTED ACTION: New support has to be machined. The design is ready. Responsible: G Ihle Deadline: TBD (but before Sept.96) T 96.14.01 LAMPS IN TOP RING BURNS OUT IN LESS THAN ONE HOUR ACTION: A fan has been added to each lamp for better cooling. Responsible: W Eckert CLOSED 96.14 B. 3.6m 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: The new system has been installed. Responsible: G Ihle Deadline: end of January CLOSED 96.14 T 95.50.03 THE NEW INS360 WS CRASHES WHEN USED Action: the operating system has been reinstalled. Responsible: Andreoni Deadline: end of March CLOSED 96.11 T 96.12.01 THE DUAL SCREEN FACILITY SHOULD BE ACTIVATED. Action: it has to be configured in the system and in Midas. Responsible: G Lundqvist Deadline: TBD after planning the software team activities. T 95.51.03 OFFLINE TESTING FACILITY NEEDED Action: it should be set up at the 2nd floor of the 360. The TT should use the spare HP1000 and configure it with the help of F Gutierrez. Responsible: M Maugis Deadline: it has been decided to delete this point. CLOSED 96.10 T 96.04.01 F/35 ADAPTER NEEDS OVERHAUL ACTION: Mirrors and guide probe drive have been cleaned. Responsible: U Weilenmann Deadline: tested during Timmy run (end of March) CLOSED 95.14 I 96.10.01 THE COOLING SYSTEM SHOULD BE MOVED FROM ITS PRESENT POSITION. ACTION: The cooling system for the mirror air cooling has been moved from its present position to the back of the telescope. Responsible: L Aguila Deadline: end of March. CLOSED 96.12 T 96.11.01 INFORMATION ON ADONIS ELECTRONICS NEEDED BY TT ACTION: M Maugis will provide an introduction to the electronics of the 3.60 Team. Responsible: M Maugis Deadline: end of April T 96.12.01 ADONIS INSTALLATION IN CASSEGRAIN NEEDS IMPROVEMENTS. ACTION: Connectors have to be simplified, line drivers to be added. Responsible: M Maugis Deadline: end of June T 96.14.01 THE MIRROR COOLING SYSTEM IS INEFECTIVE ACTION: Pipes should be insulated. Responsible: G Ihle Deadline: TBD T 96.14.02 MOVING HANDRAIL GETS OFTEN STUCK WHEN THE TELESCOPE IS TAKEN TO PLATFORM ACTION: Maintenance is needed. Responsible: G Ihle Deadline: End of April T 96.14.03 ONE CENTERING DEVICE IN TOP RING IS LOOSE ACTION: It should be fixed at next change over. Responsible: G Ihle Deadline: end of May F. CAT/CES T 95.51.01 ROTATION AND FOCUS ADJUSTMENTS OF CCD #38 IS DIFFICULT ACTION: A mounting similar to the one of CCD #34 has been provided (with a micrometer). Responsible: G Ihle Deadline: End of March CLOSED 96.11 T 96.12.01 MICROMETER SHOULD BE ADDED TO THE MOUNTING OF CCD #34. ACTION: As in the CCD #38. The micrometer is available. Responsible: W Eckert. Deadline: end of May T 96.12.02 CONTROL CABLE FOR FINDING CAMERA DAMAGED ACTION: A replacement has been provided by R Medina. Responsible: M Maugis Deadline: TBD after looking at requirements. CLOSED 96.13 T 96.13.01 NEW POINTING CONSTANTS TO BE INCLUDED AS DEFAULT ACTION: K Teschner should update the TCS programs. Responsible: G Lundqvist Deadline: April 15 C. 2.2m T 95.20.02 FABRY-PEROT HAS TO BE EXACTLY CENTERED. ACTION: a centering device, with one millimeter range, had to be added. It was a complicate job and design started only during week 32, which made impossible to complete the job on time. Advice from G Huster was received. A simple device was devised, but it has been discovered that one of the plates that support the F.P. is glued and cannot be dismounted. A new F.P. will be purchase from Garching IR group. Responsible: W Eckert Deadline: TBD (after devising a solution) CLOSED 96.09 T 95.50.02 VME MOTOR CONTROL FOR IRAC. ACTION: A spare should be provided. Responsible: M. Maugis Deadline: July 96, after J Alonso return. T 96.03.01 TIME IS LOST AT STARTUP OF PROGRAM CHOP2 ACTION: Initial tests should be by-passed when the chopping mirror is not needed. Responsible: G Lundqvist. Deadline: end of April D D1.5m I 96.06.01 STAIRCASE ARE DANGEROUS BECAUSE LIGHT CANNOT BE SWITCHED ON ACTION: The switch has been moved to the base of staircase from its position on the observing floor. Responsible: L Aguila Deadline: end of February. CLOSED 96.10 T 96.04.01 CABLE(S) MAY BE CUT DURING TELESCOPE MOVEMENTS Action: This point was previously listed by mistake under the ESO 152 Telescope. According to the analysis from R Medina, the only solution is a radical cure, passing the cables trough the cable hole in the fork. For the amount of work involved, it is considered a project, for which the 2.2 Team will provide requirements. Responsible: M Maugis Deadline: TBD when Rolando is back from vacations. CLOSED 96.09 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 have been 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 (Ready for assembling when there will be test time available) New Deadline: end of April. CLOSED 96.14 G. 1m H. 0.9m Dutch T 95.29.01 DOME WHEELS NEED MAINTENANCE ACTION: They have been machined and installed. Low priority. Responsible: G Ihle Deadline: rescheduled: end of March. CLOSED 96.10 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 has been built and installed. Responsible: W Eckert. Deadline: rescheduled: end of March. CLOSED 96.12 T 96.12.01 WORKSTATION HAS FREQUENT FAILURES ACTION: The upgrade to HP 715 should be installed. Deadline: TBD I. 0.5m ESO J. 0.5m Danish K. Schmidt T 96.06.01 FILM DIFFICULT TO RECOVER FROM FILM HOLDER AFTER EXPOSURE ACTION: A suitable device will be prepared Responsible: W Eckert Deadline: end of April. 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 has been prepared with the use of the largest possible number of commercial components. Responsible: W Eckert Deadline: end of March CLOSED 96.13 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 has been defined for all TTs, in order to obtain comparable data. An automatic procedure for the data acquisition has also been prepared. Ready for distribution. Responsible: P Sinclaire Deadline: Mid March T 96.04.01 CCD MOUNTING ON CASPEC GIVES PROBLEMS. Action: J Anguita improved it. To be tested. Responsible: P Sinclaire Deadline: end of March Z. General. T 96.05.01 SOME PEOPLE IN TTs STILL NOT TRAINED IN LIQUID GASES (HE AND N2) HANDLING Action: this point has been reformulated once more after an extensive examination. It has been concluded that a training course must be organized by the Safety Engineer. The course should be similar to the one arranged a couple of years ago. Juan Penafiel has already contacted INDURA, and received most of the participant lists. Responsible: G Andreoni Deadline: end of March (request to Administration). 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 CLOSED 96.12 T 96.06.01 COMPRESS AIR NEEDED AT THE ENTRANCE OF COATING PLANTS ACTION: A (flexible) pipe of adequate length, with a suitable connector has been installed by L Aguila. Responsible: G Ihle (Erroneously given to L Aguila) Deadline: April 4th, 1996 (3.6 plant) CLOSED 96.10 I 96.10.01 MICROPHONES SYSTEM FOR TELECONFERENCE IS NEEDED ACTION: Either the existing system can be repaired, or a new one should be acquired. Sent to Philips for repair. Responsible: L Aguila Deadline: TBD after retrieving the existing one. T 96.10.02 MICROSCOPE HOLDER FOR MIRROR SURFACE STUDY NEEDED ACTION: It has been prepared in time for the coating of the 3.6. Responsible: W Eckert Deadline: End of April. CLOSED 96.14 T 96.12.01 A PLATFORM IS NEEDED FOR THE PROPER HANDLING OF THE ALUMINUM IN THE COATING PLANT. ACTION: JC Pineda will prepare the design. Responsible: W Eckert Deadline: end of May. T 96.14.01 LEAK IN VACUUM PLATE VALVE OF 3.60 COATING PLANT ACTION: L Gonzales will have to repair it. Responsible: G Ihle Deadline: end of May ACTION POINT STATISTICS YEAR 1996: Opened Closed Total Pending Opened Week 1/96 1 2 1 25 Week 2 2 1 3 26 Week 3 3 3 6 26 Week 4 4 2 10 28 Week 5 1 4 11 25 Week 6 4 1 15 28 Week 7 2 1 17 29 Week 8 0 4 17 25 Week 9 0 2 17 23 Week 10 3 4 20 22 Week 11 1 2 21 21 Week 12 7 3 28 25 Week 13 1 2 29 24 Week 14 5 4 34 25