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Entry  Mon May 2 21:14:55 2011, kiwamu, Update, Electronics, too loose Heliax connectors on 1Y2 rack DSC_2982_ss.jpgDSC_2984_ss.jpg
    Reply  Mon May 2 23:29:57 2011, Suresh, Update, Electronics, too loose Heliax connectors on 1Y2 rack 
    Reply  Tue May 3 17:19:25 2011, kiwamu, Update, Electronics, Heliax connectors on 1Y2 rack : tightened 
Message ID: 4618     Entry time: Tue May 3 17:19:25 2011     In reply to: 4601
Author: kiwamu 
Type: Update 
Category: Electronics 
Subject: Heliax connectors on 1Y2 rack : tightened 

My observation wasn't accurate enough.

The looseness came from the fact that the N-SMA bulk heads were slipping on the black plate.

This is actually what Suresh pointed out (see here). So the thickness of the black plate doesn't matter in this case.

Somehow I was able to tighten the bulk heads using two wrenches and I think they are now tight enough so that the heliax's heads don't move any more.

Quote from #4601

I found that all the Heliax cables landing on the bottom of 1Y2 were too loose.

The looseness basically comes from the fact the black plate is too thick for the Heliax cable to go all the way. It permits the Heliax's heads to rotate freely.

 

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