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Old 04-29-2010, 05:29 PM   #1
RV FyreGuy
Pahrump , Nevada
Join Date: Apr 2010
Posts: 1
Vent crank assembly

I am looking for a replacement crank assembly for the roof vent in a 1977 Sovereign. This is a 12'X12" vent with rounded corners and an aluminum lid. The inside is covered by a milk white plastic shroud and light assembly.

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Old 04-29-2010, 05:37 PM   #2
Rivet Master
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1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
Posts: 7,070
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If its the crank assembly I am think of when mine failed both the dealer and Airstream said the never installed such a thing in their trailers.

A small crank feeding through the plastic lens via a 5/16 dia. shaft and into a small worm gear that raises the vent cover. If that is the one and the gear is stripped just take the gear box apart, drill out the rivets, and move the stripped gear 120 degrees. Only 1/3 of the gear is used so you should have 2 rebuilds available. Reassemble the gear box with #4 bolts and you should be goo to go.
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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