Filter loading

title Filter Loading Procedure. LCA-18318

Traveler for intervention on

The Filter Exchange System

& Filter Exchange system parts 

Approval Status DRAFT
Rev. Revision Description LCN# Date
A Initial release, F.Vezzu 18/12/2019
Camera Doc ID Atrium Doc ID Validated By Validation Date
LCA-18318 415959
Initials:  Date: 
Traveler initiated: 
Traveler Closed Out: 
Part Serial Number:  Do not apply to this case
Index Key Value
Subsystem Loader
Operation Type Filter Loading
Operation Target Load a filter in the Camera
Operation Name Filter loading
Operation Time 0.5h
Operation Description This operation consist in connecting the Filter Loader on the Camera porthole and taking a filter out.
Operation level Advanced
Manpower 2 people + 1 for survey
Triggered by Maintenance Installation of a filter in the Camera.
Triggered by Monitoring Analysis
Triggered by Incident recovery
Traveler Steps
10 WARNINGS (Personnel Safety Hazards / PPE)
10.10 Do not stand under Load. Do not place body components in pinch points
10.20 Personnel performing procedure must be wearing hardhat and steel toe shoes
10.30 Personnel working around the devices before they are docked and secured must put their own lockers on dirty power.
10.40 Personnel working on the platform needs to wear a safety harness. (To be confirmed)
20 CAUTIONS (Equipment Damage Hazards)
20.10 Hardware Safety : Damage on Loader components - Damage on Loader Cart _- Damage on Storage Stand
20.20 Hardware Safety : Damage on Auto Changer
30 Applicable Documents and Drawings Ref./link Type
30.10 Storage_Stand_Filter_Unloading_Procedure LCA-18303 Procedure
30.20 Filter_Loader_Docking_On_Camera LCA-18302 Procedure
30.30 Filter_Loader_Removing_From_Camera LCA-18298 Procedure
40 Tools Required Ref. Quantity
40.10 Slings
40.20 Shackles
50 Parts, Materials, and Consumables Ref. Quantity
100 Unload a Filter Loader from the Storage Stand Initials Date
100.10

Filter Loader : Follow the Storage_Box_Filter_Unloading_Procedure

LCA-18303

200 Filter Loader: Installation on Camera Initials Date
200.10

Filter Loader : Follow the Loader_Installation_On_Camera_Procedure

LCA-18302

300 Stand-Alone Mode – To be used during tests only
300.10 Electric Common Bay : Put the involved operator's lockers on the emergency switch. Fig 1
300.20

Figure

300.30 Electric Common Bay: Plug the 3 cables connectors respecting the following order 1st : Can Open (purple cable) 2nd: I/O signals (grey cable) 3rd : Power supply (orange cable)
300.40 Electric Common Bay : Power the clean power on
300.50 Electric Common Bay: Power the safety power on
300.60 Electric Common Bay: Power the dirty power on
300.70 Electric Common Bay: Check that the system is not in Engineering mode. Switch the key in Normal mode if needed
400 FCS Control (all this section has to be updated) Initials Date
400.10 Start the control computer
400.20 Open a terminal
410 Stand-Alone Mode
410.10 Connect through ssh -K ccs@lsst-fcsØ1
410.20 Open a terminal : send > run-loaderØ1
410.30 Open a terminal: send > ccs-console
410.40 Tab : ccs-subsystems / Loader-standalone_LO1 Tick the box "Loader"
420 Camera Mode Initials Date
420.10 Open a terminal : send > run-fcs
420.20 Open a terminal: send > ccs-console
420.30 Tab : ccs-subsystems ???
420.40 Change permission value to 10 > Loader
420.50 Click on Connect Loader
430 On Both modes Initials Date
430.10 Electric Common Bay : Remove the lockers from the emergency switch
430.20 Loader General View Panel : Check Auto Changer Status: AP2 = On / AF0 = On / AF1 = Off / AF3 = Off Check KeyLock/LockOut = On Check Engineering key = Off Check Filter in Loader = On Check Loader Clamped status = CLAMPED Check Carrier Status = STORAGE Check Carrier Position = 0
430.30 FCS Command : Loader General view - Click on: LoadFilterInCamera
430.40 During this operation the Filter Carrier goes at Hand-off and release a filter. Then the Filter Carrier come back to Storage without filter.
430.50 Loader General View Panel : Check Auto Changer Status: AP2 = On / AF0 = Off / AF1 = On / AF3 = On Check Filter in Loader = Off Check Loader Clamped status = OPENED Check Carrier Status = STORAGE Check Carrier Position = 0
Loader General View Panel : Check Auto Changer Status: AP2 = On / AF0 = Off / AF1 = On / AF3 = On Check Filter in Loader = Off Check Loader Clamped status = OPENED Check Carrier Status = STORAGE Check Carrier Position = 0
400 Removing the filter Loader from the Camera Initials Date
400.10 Filter Loader : Remove the filter Loader from the Camera following the LCA-18298 Procedure
900 End Of Traveler Initials Date
900.10 Work complete