Pagoda SL Group
W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: Greg R. on December 02, 2019, 13:37:37
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Good morning.
1) What size wrench fits the hex section? (17mm?)
2) Must a thin tappet-style wrench be used or is there another technique? My search here last night didn't turn up anything.
-Greg
1967 230SL w/ 250 motor
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The baro requires a 19 mm wrench. I think youre on the right track for its removal. Been a long time since I replaced my baro
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Be on the look out for thin shims under the BC when you take it out. Not sure why you are taking it out, but some use this to do a quickie full range fuel mixture adjustment. You can also test the compensator to make sure it hasn't failed while it is out. https://www.sl113.org/forums/index.php?topic=12175.msg82217#msg82217
Jeff knows quite a bit about these pumps.
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I walked out to the garage and slipped the fattest 19mm I had (.35 inches thick) onto the baro of my 1970 and it worked fine.
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Thanks everyone.
I'll try a couple of 19mm's I have and see what'll squeeze in there. Thanks for the reminder about the shims.
Yes, I suspect that it has failed or at least want to eliminate it as a variable in my starting & running issues.
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When the baro fails, the system usually goes lean.
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Thanks again, all.
I removed the BC and confirmed that it is kaput.
-Greg