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Old 02-24-2004, 03:47 PM   #1
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Dome-Vent Lid repair

Repairing dome-vent lids.

Need to remove the lids and drill out rivets and replace the translucent center piece.

Can this be accomplished from inside or must one get on the roof?

i.e. can I get them down from inside? I know I'll have to place on a bench to drill .


Any recomends for the replacement material?
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Old 02-24-2004, 03:52 PM   #2
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1975 31' Sovereign
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jaco,
I will have to take mine off from up top. I don't see any way to get them off from down below. I am going to replace two of mine with Fantastic Fans....one of these days It looks to me like a small piece of 1/8" Lexan would work for the replacement pieces, just make sure to use plenty of Vulkem ...oh yeah and balance the running gear

Aaron
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Old 02-24-2004, 04:06 PM   #3
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There are some old threads on this topic in the archives. Try a search on "vent cover".

Not knowing the model and year of you coach, I am assuming you have the Hehr vents with the pexiglas inserts? If so, they come apart from inside. However, you have to get up on top to lift it off as it will not come down through the opening.

I suggest Lexan, rather than pexiglass.

Mark
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Old 02-24-2004, 07:03 PM   #4
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been there

On my 74 I replaced the plastic portions with aluminum. Used olympic rivets to fasten them, also replaced the inner lense with aluminum, the dual panes give you some thermal advantages. Didn't really care for whatever light filtered down thru them. To take them off you will need to remove the 1/4" bolts on each of the lift arms, then get on the roof and get them. Check and see if the springs are still there, the springs at the ends of the lift arms. They tilt the lid to the front when it is partly raised, lets you tow with the vents partially cranked open. Without them your vent lids will go bye-bye. They are also left and right specific.

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Old 02-24-2004, 07:07 PM   #5
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The PO of my trailer riveted in a sheet of aluminum rather than lexan or similiar material.
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Old 02-24-2004, 07:57 PM   #6
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Vintage Vent Caps

Not knowing the age of your rig might determine whether they can be removed from the inside of the trailer. I've taken mine off from the inside. Just have to turn it catty-corner to get it to fit. I also made the rectangular vent cover out of two pieces of Lexan with angle aluminum at the edges. I suppose I could post a picture and diagram if persuaded to.

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Old 02-24-2004, 09:58 PM   #7
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My trailer is a 74 Excella.
Don't know if they are Hehr brand.
I don't mind going up top to gather them. I just didn't want to have to be up and down numerous times to remove them since I will be working solo.

Am hoping that a brand is stamped somewhere so I can know for reference purposes. Also interested in the springs that Chas mentioned. Hope to get a photo of those.

Thanks for all replies.
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Old 02-25-2004, 04:58 AM   #8
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jaco,

Your 74 should have the Hehr brand vents unless a PO change them out. The springs are in between the arms that raise the cover. Small circular wire springs that will take off if you don't keep an eye on them. Good luck and take lots of pictures.

Aaron
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Old 02-25-2004, 09:31 AM   #9
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I did it on my '73, which is probably exactly the same as your 74. The deteriorated plastic-sunlight-thingamajig was only on the forward vent; the other 2 are solid. there is a factory fan in this forward vent, as well, which really makes it impossible to get at the vent from inside the trailer, so I did it from the roof. But you only have to get up there twice; once to take it off, and once to put it back on!

I replaced the center piece w/ a piece of aluminum that I bought from HD. cut it to fit..taped it to the vent, then flipped it over and used the old rivet holes to make marks with the new ones. then I drilled them out, smeared a goodly bead of parbond around the outside, and used probably 2 dozen olympic rivets to fasten it together. seems like overkill, but I had to fill those holes in with something.
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