Topic
checking the integrity of & changing the O-ring on a SVEA 123R
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Home › Forums › Gear Forums › Gear (General) › checking the integrity of & changing the O-ring on a SVEA 123R
- This topic has 7 replies, 6 voices, and was last updated 2 years, 7 months ago by David Thomas.
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Sep 12, 2021 at 7:53 am #3727193
Hello! I just today picked up a SVEA 123R. The owner bought it when she was in high school in the 70s. I’ve read that fireballs can come from a bad O ring; my (perhaps ignorant) question is, how do I tell if the ring needs replacing? Should I just assume it does because it’s 50 years old? I don’t notice any cracks by looking–is there anything else I should be look for? Here is a picture. Thanks!
Sep 12, 2021 at 11:07 am #3727209I would just replace them all.
Sep 12, 2021 at 12:46 pm #3727213You may want to ck the “rope wick” that extends into the fuel container also, because if it is burn or singed the stove will not work properly. Easy to replace once you have a replacement.
Sep 12, 2021 at 1:06 pm #3727219I would replace the fuel cap washer and the safety release ‘pip’.
Search https://classiccampstoves.com/ for all the advice you are ever likely to need.
Sep 13, 2021 at 9:07 am #3727258Sep 19, 2021 at 5:12 pm #3727778Thanks, all, for your help!
Sep 19, 2021 at 5:29 pm #3727779If it ain’t broke, don’t fix it!
Sep 20, 2021 at 12:05 pm #3727830eBay to the rescue!
I was going to mention the little air pumps that make priming them easier. It lets you pre-pressurize the tank first and then fill the priming ring just by opening the throttle (not dribbling from your fuel bottle or using an eye-dropper), and causes it to kick off a little sooner and to function better in really cold weather.
But thought I’d check availability of them first. $39 used ones and a classic NIB one for $99 on Etsy and eBay but also BRAND NEW aftermarket ones. For $14 + $10 S&H. With the fuel-tank adaptor cap (which the pump requires – it’s a replacement cap with a check valve). So you get a brand new cap and gasket plus the air pump for easier starting.
https://www.ebay.com/itm/113782083977
In the 1970s and 80s, I always brought the pump with me – it made it all easier and made for less spilled fuel.
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