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rickycleung
Joined: 09 Apr 2008
Posts: 55
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| Posted: Thu Aug 20, 2009 4:16 am Post subject: XG135 Glycol Leak |
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My XG135 green tube's glycol leak. I found that the silicone at the edge of the tube's upper left side is almost separated and look likes transparent( photo attached). When the tube is cold, the transparent mark is gone. The glycol drops are adhere to the glass face which I've clean up.
Since the pressure inside the tube may be released and as a short term fix, could I apply a thin layer of a silicone sealant over that edge. Tube bleeding will be a big job for me to handle.
Any advice are welcome.
Last edited by rickycleung on Sun Sep 13, 2009 11:48 am; edited 1 time in total
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MikeEby
Joined: 24 Jun 2007
Posts: 5237
Location: Osceola, Indiana
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| Posted: Thu Aug 20, 2009 4:51 am Post subject: |
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Ricky...I don't have a solution to the problem just a question...Is this the original tube or has it been changed? Looking at the image the tube has no wear at all, somewhat rare for a green tube in an XG that has a reputation as a green tube eater.
Mike
_________________
Doing HD since the last century!
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rickycleung
Joined: 09 Apr 2008
Posts: 55
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| Posted: Thu Aug 20, 2009 5:41 am Post subject: |
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Hi Mike,
It is original tube and has never been changed. I guess the transparent mark was a result of the pressure build up between the tube and glass from time to time without bleeding the glycol. Fortunately the glass didn't break. There is no bubble in the red and blue tubes too. I dare not power on the projector now. 
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Thu Aug 20, 2009 8:36 am Post subject: |
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You have to bleed the tubes, and then silicone up that edge.
The actual bleeding is easy.
The hard bit is setting up the projector again.....and dropping and raising it, unless you want to try a tube change on the roof.
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rickycleung
Joined: 09 Apr 2008
Posts: 55
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| Posted: Thu Aug 20, 2009 9:51 am Post subject: |
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Yeah, setting up the projector is alot of works than bleeding the tube. The tubes are still in good condition and worth to try bleeding them when I am free.
My friend here installed many projectors who have an electric platform to raise the projector which is very handy.
Last edited by rickycleung on Sun Sep 13, 2009 11:49 am; edited 1 time in total
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Thu Aug 20, 2009 10:53 am Post subject: |
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Ok, you guys are crazy, that G70 looked REALLY UNSTABLE!!
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Thu Aug 20, 2009 12:38 pm Post subject: |
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It's OK Mark, the threaded rod is double nutted on the other side of the drywall.
<just kidding>
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Mark_A_W
Joined: 15 Mar 2006
Posts: 3068
Location: Sunny Melbourne Australia
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| Posted: Thu Aug 20, 2009 12:58 pm Post subject: |
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Not just those spring loaded plaster anchors?
Over-engineered I say!!
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rickycleung
Joined: 09 Apr 2008
Posts: 55
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| Posted: Thu Aug 20, 2009 1:27 pm Post subject: |
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I'm no mechanic but the platform looks solid and stable when working.
Last edited by rickycleung on Sun Sep 13, 2009 11:50 am; edited 1 time in total
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rickycleung
Joined: 09 Apr 2008
Posts: 55
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| Posted: Thu Aug 20, 2009 1:36 pm Post subject: |
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Before I do tube bleeding, what are the correct procedures I shall take caution to dismantle the Yoke, coil etc. Please direct me to any link of mechanic setup after tube replacement.
Thanks
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