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Post by vance on May 19, 2024 15:02:18 GMT -8
Note that the lp seat carrier on the Siebe is secured with screws instead of rivets. Nice touch that allows easy changing of the soft seat without having to remove the whole horseshoe. This also gives access to the little oring that is often hardened, and only can be changed in Aqualung versions by drilling out the rivets. I don't think I've ever seen one of those. Cool!
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Post by vance on May 19, 2024 15:05:13 GMT -8
Note that the lp seat carrier on the Siebe is secured with screws instead of rivets. Nice touch that allows easy changing of the soft seat without having to remove the whole horseshoe. This also gives access to the little oring that is often hardened, and only can be changed in Aqualung versions by drilling out the rivets. I don't think I've ever seen one of those. Cool! Wait... what o'ring?
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Post by antique diver on May 19, 2024 18:26:33 GMT -8
I don't think I've ever seen one of those. Cool! Wait... what o'ring? It is between the round brass seat retaining disc and the strap holding it in place. Most of the ones I run into are hardened and or cracking, and apparently not often noticed by technician. A new small oring installed there allows the "floating" seat retainer some extra angle wiggle room to find a sealing position for the lp disc. To replace that part on Aqualung horseshoe requires drilling out the two rivets (where the screws are seen on the Siebe). Then you can rivet it back in place, but for future service it is best to convert it with threads and screws like the Siebe.
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Post by antique diver on May 20, 2024 5:19:46 GMT -8
I don't think I've ever seen one of those. Cool! Wait... what o'ring? Here's the oring that was referred to in recent post. They often harden with time and can cause difficulty in getting the lp seat to seal.
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