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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Thu Jan 12, 2012 7:43 pm Post subject: C element leaking screw loose and cannot tighten it! |
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Hi Guys as the title states I have a screw loose on the c element holder, I think I overtightened and now its just not tightening at all and there is a slight leak. I changed the screw out and same problem, I am assuming the threads in the LC block are gone if this is the case. I thought the rubber was not in position and reseated the c element etc but same issue.
So, what are my options?
1: Can I use rtv silicone and seal the area the glycol leaks from or the entire area around the c element holder?
2: can I drill into the LC chamber and through the c element holder and install a screw with a slightly larger diameter?
3: Do I have to replace the LC chamber with another and make sure I dont do this again!
I am trying hard to avoid option 3 so suggestions would be great, thanks all.
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Sparky015
Joined: 12 May 2009
Posts: 1185
Location: Cleveland / Akron, OH
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| Posted: Thu Jan 12, 2012 11:14 pm Post subject: |
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Not sure what projector this is, but thinking marquee, try removing the screw, chasing the threads in the housing with a tap, and installing a new screw. If you need screws, I have extras from when I bought a box from McMaster Carr. Again, I'm talking Marquee. You shouldn't need to go to option 3 though. That can be repaired.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Thu Jan 12, 2012 11:39 pm Post subject: ? |
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"chasing the threads in the housing with a tap", Hi thanks for the advice but what does this term mean?
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Thu Jan 12, 2012 11:48 pm Post subject: |
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Look up "tap and die set"
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Thu Jan 12, 2012 11:48 pm Post subject: |
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Look up "tap and die set"
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Sparky015
Joined: 12 May 2009
Posts: 1185
Location: Cleveland / Akron, OH
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| Posted: Fri Jan 13, 2012 12:48 am Post subject: |
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sorry, take a tap of the appropriate size and thread count (used to cut threads) and run it into the hole that is giving you issues. Hopefully it will repair the damaged threads. If it doesn't do the trick, drill and tap the whole a little bigger and put in the new appropriate sized screw. Start with trying to repair the threads that are there though.
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Fri Jan 13, 2012 1:49 pm Post subject: |
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Hello
Mop up all the spilled glycol and bolt the lens on, that is four more screws to hold things together.
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incova
Joined: 27 Nov 2006
Posts: 789
Location: london
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| Posted: Tue Jan 17, 2012 11:28 pm Post subject: k |
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Problem solved Magyver told me to check the depth of the hole and if it was deeper and threaded just put a longer screw in there, all is good thanks people!
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