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06-14-2011, 01:15 PM | #1 |
Senior Member
Join Date: May 2010
Posts: 433
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Fixing cracked oil return tube
I have a couple oil return tubes that are both leaking at the soldered joint at the lower end. I have tried repeatedly to clean, bead blast, use sandpaper, wire brush, solvents, etc. and I can't seem to get any solder to stick. I'm using lead-free solder and paste flux.
Is there a trick to this? Any ideas would be appreciated. |
06-14-2011, 01:37 PM | #2 | |
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Join Date: May 2010
Location: Jordan, MN
Posts: 1,411
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Re: Fixing cracked oil return tube
Quote:
Good Day! Dave in MN Last edited by Dave in MN; 06-14-2011 at 04:18 PM. |
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06-14-2011, 03:52 PM | #3 |
Senior Member
Join Date: Dec 2010
Location: Ferndale, WA
Posts: 107
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Re: Fixing cracked oil return tube
I tried soldering mine but couldnt get it to solder untill I pulled it apart and gave it a good cleaning then all went well
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06-14-2011, 03:52 PM | #4 |
Senior Member
Join Date: Oct 2010
Posts: 837
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Re: Fixing cracked oil return tube
Find a retired plumber and ask him if he has any 60/40 solder and acid paste. The stuff has ashelf life of forever. Then snug bolt the tube to a block and cover without the O-ring gaskets and solder away.
PS: Be sure to "tin" the pieces first, i.e. put a thin coat of solder on the two joining surfaces, sand or file down to fit and then suck the solder into the assembled joint. |
06-16-2011, 03:05 PM | #5 |
Senior Member
Join Date: Oct 2010
Location: Easton, PA
Posts: 261
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Re: Fixing cracked oil return tube
I've used Silver Solder and mine and it's fine
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06-16-2011, 03:23 PM | #6 |
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Join Date: Sep 2010
Location: chesapeake va
Posts: 30
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Re: Fixing cracked oil return tube
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