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Message ID: 12325     Entry time: Fri Jul 22 03:02:37 2016
Author: Koji 
Type: Update 
Category: COC 
Subject: FC painting 

[Koji Gautam]

We have worked on the FC painting on ITMX and ITMY. We also replaced the OSEM fixing screws with the ones with a hex knob.
This was done except for the SD OSEM as the new screw was not long enough. We left an allen-key version of the screw for the SD OSEM.

All the full-resolution photos can be found on g-photo.


Attachment1: The barrel was pretty dusty. Some dusts were observed on the HR face but it was not so terrible. The barrel and the HR face were blown with the ionized N2 and then wiped with IPA. The face wiping was done n a similar way as the drag wiping.

Attachment2: FC was applied to the HR surface.

Attachment3: The AR surface was also painted with FC. The brush touched the coil holder.

Attachment4: The brush touched the coil holder. Another PEEK tab was applied to remove this FC stain on the metal holder.

Attachment5: This is the result of successful removal of the FC stain.


Attachment6: The OSEM arrangement before removal. We confirmed that the OSEM arrangement was as described on Wiki.

Attachment7/8: The ITMX was obviously a lot dirtier than ITMY. The barrel accumulated dusts.

Attachment9: This is the HR face picture with large dusts on it.

Attachment10: The HR surface was painted with FC.

Attachment11: This is the AR surface with FC painted.

Attachment 1: ITMY_barrel_dust.jpg  402 kB  Uploaded Fri Jul 22 12:58:58 2016  | Hide | Hide all
Attachment 2: ITMY_HR_FC.jpg  1.275 MB  Uploaded Fri Jul 22 12:59:09 2016  | Hide | Hide all
Attachment 3: ITMY_AR_FC.jpg  615 kB  Uploaded Fri Jul 22 12:59:17 2016  | Hide | Hide all
Attachment 4: ITMY_drip_removal.jpg  468 kB  Uploaded Fri Jul 22 12:59:28 2016  | Hide | Hide all
Attachment 5: ITMY_drip_removed.jpg  474 kB  Uploaded Fri Jul 22 12:59:28 2016  | Hide | Hide all
Attachment 6: ITMX_OSEMS.jpg  494 kB  Uploaded Fri Jul 22 13:01:00 2016  | Hide | Hide all
Attachment 7: ITMX_barrel_dust1.jpg  339 kB  Uploaded Fri Jul 22 13:01:09 2016  | Hide | Hide all
Attachment 8: ITMX_barrel_dust2.jpg  289 kB  Uploaded Fri Jul 22 13:01:09 2016  | Hide | Hide all
Attachment 9: ITMX_HR_dusty.jpg  604 kB  Uploaded Fri Jul 22 13:01:17 2016  | Hide | Hide all
Attachment 10: ITMX_HR_FC.jpg  545 kB  Uploaded Fri Jul 22 13:01:26 2016  | Hide | Hide all
Attachment 11: ITMX_AR_FC.jpg  439 kB  Uploaded Fri Jul 22 13:01:33 2016  | Hide | Hide all
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