Had a rusted platform bolt on an 806, so I cut the head off, removed platform and heated cast around bolt. Cast was glowing and still no go. Before cast cooled I melted candle wax around cast/bolt, let it cool and bolt came loose. Read this trick either here or New Ag Talk and it really works!
- Thread starter dwag
- Start date
You read it here. Doesn't work every time but I have removed some pipe fittings and a bolt. They came out but take your time. Tried it on a big water fitting and ended up having to replace the fitting. About 80% plus. Also buy yourself a set on Commercial grade left hand drill bits. They work darn well too! Easy outs are a last ditch.
37chief
Well-known Member
- Location
- California
Nothing easy about them. Stan
I have never tried candle wax but see it posted on YTMAG all the time. I think the fact you heated it and let it cool did more than the wax. When hot everything is expanded. The bolt is bigger and the hole is smaller. This crushes the rust. Let is cool everything shrinks down. What was locked in tight now has some room to move.
MARK ROBKE
Well-known Member
After I removed the broken blot off of my easy out,I used to leave the broken bolt on top of my tool box.Some had came out easy,and others had been a challenge.I guess I saved them to remind me some jobs go better than others. Mark
Ellis Kinney
Well-known Member
I posted about using candle was a couple of months ago. I was trying to remove a 2-3/8 nut from the end of the square shaft on my Case bog harrow. Tried heat and beating on a long pipe on my breaker bar. Nothing. Heated it and let it cool until the candle wax didn't burn and melted some around the nut. Magic-- it unscrewed without using a pipe on the breaker bar. This is really an important trick to keep in the back of your mind. Ellis
I"ve posted here for years about the candle wax thing...has never failed me. For the naysayers that say it"s cuz of the torch heat....I"ve done it both ways....and when the torch heat fails, I use the wax. Last year I couldn"t use the torch on the Ford 4500 backhoe....spark plugs were deep within the head, and other combustible issues...ran the engine 2-3 times, applied candle wax each time...got the 2nd and 3rd plug out, knowing at least one would have twisted off in the head.
BTW- I advocate heating cast, rather than the bolt...same on manifold bolts, etc. Why? cuz bolts heat too quickly, turn red hot...cast takes more time, and holds what I call latent heat. Heat the cast til the bolt turns red...latent heat works on the cast, let the wax melt in...and the bolt turns out very easily. Heat the bolt red...it twists off before the threads loosen.
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