Operations

• Problems and failures

• Work in progress

• Work completed

• Problem reporting

• Safety

• New facilities

Problems and Failures Telescopes

• Actuator cylinder leaks

• Drive motor bearings

• Rotator PWM drive amp, motor, servo

• Mirror cover drives

• M1 mirror thermal control (mixing valve)

• Hard Point leaks

• Wide field collimation

Work in Progress

• Telescopes– Actuator leak repair– New actuator control cards– New PWM amps on rotators– Guider normalization, wiring, PLA’s, IMS

drives, – M1 thermal control mixing valves– M1 Mirror cover drives, new bushings

New Version of Actuator Card

Dual Actuator

Actuator cylinder

Hard Point Actuator

Problems and Failures Enclosures

• Shutter structure Clay

• Enclosure jib cranes

• UPS batteries

• Louver seals

• Wind Screen & Moon Roof drives

• Rotating interface seal

Work in Progress

• Enclosures– Louver seals– Rotating interface seals– Windscreen & Moon roof drives– Rotating seal (Baade)– Louver position encoders limits– Power line slip ring modems

Work In Progress

• Software– M3 Tip-Tilt automation– Code normalization, ini files– Translate Fortran to C++ (enclosure)– Windscreen & Moon roof automation– EDS query tools– PWM Amps, Rotator guiding, servos– M1 thermo control servo

Work completed

• Iodine cell actuator (Clay), ADC (MIKE) actuator and guider (#6) installed and tested

• New rotating enclosure seal (Clay)• New jib crane limit switches (both enclosures)• New flat field lamp supplies and software• Aluminized M1 and M3 mirrors Baade• Washed M1 and M3 mirrors Clay• Clay shutter drive U-joint replacement• New Az & El drive bearings Clay

Problem reporting

• Gnats problem tracking software installed locally. This is now our only problem tracking system

• Telescope reports for night time problems and comments

• Forums are used to transfer information and changes

Safety

• Safety review by ACHS• Fire detection system was inspected and

serviced• Fire extinguishers serviced• New policies on equipment operations,

licenses required for all equipment, classes, training and licensing in progress

• Road maintenance in progress• Poly-clinic inventory & supplies.

New Dormitory and Infrastructure

• Conversion of Nagoya control room

• Architecture review complete and contract in place

• Construction crews on site

• Completion ~June

• Kitchen renovation programmed for May

New dorm floor plan

New Dormitory