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  1. #11

    Join Date
    Jul 2002
    Posts
    28
    Location
    Morgantown, PA
    Tractor
    Kubota/ BX2200

    Default Re: Removing Rusty Parts

    It's already been said but I want to throw in a good word for PB Blaster !! I WAS a mechanic for 16 years and it's the best I was able to find. 1 tip is to spray it on heavy, give it a couple of hours, give a good tap around the area with a hammer and respray, allow it to soak overnight and I think you'll be shocked at the results. You can buy PB Blaster at Wal-Mart and many other retailers/ parts stores.

  2. #12
    Veteran Member
    Join Date
    Jul 2002
    Posts
    1,598
    Location
    Greene Co, Arkansas
    Tractor
    JD 1050 2wd, Case 580D 2wd

    Default Re: Removing Rusty Parts

    PB is the best stuff I've ever tried. Soaking a 1inch axle nut on our 50s model Case disk for a week finally loosened it when I couldn't budge it with a 6 foot cheater.
    I hear Kroil is great too but I can never find any.

  3. #13
    Super Member
    Join Date
    Apr 2000
    Posts
    8,018
    Location
    Shingle Springs California
    Tractor
    New Holland TC40D

    Default Re: Removing Rusty Parts

    Just for future reference, PBblaster and hammer taps over time will work. If you cruise the antique tractor pages, a lot of folks get tractors with stuck engines and trannies that have sat for years rusting away. They make them into running parade and show tractors.

    One of the biggest things is to clean the area the best you can. Then, use some of the PB Blaster(some folks talk about "Kroil"). Then, give it a couple taps with a hammer. Repeat hammer taps daily, and give it an extra squirt now and then.

    I remember one guy talking about doing that for a month to remove a stuck piston. He didn't want to force it or break it.

    You might read Roger Welch's books about "Busted Tractors and Rusted Knuckeles". They have lots of ancedotes for stuff like this, and is really fun reading to boot!
    "Busted Tractors and Rusty Knuckles: Norwegian Torque Wrench Techniques and Other Fine Points of Tractor Restoration", "Old Tractors Never Die: Roger's Guide to the Care and Feeding of Ageless Iron", "Love, Sex and Tractors".

  4. #14
    Veteran Member Dozernut's Avatar
    Join Date
    Apr 2002
    Posts
    1,538
    Location
    South Eastern Illinois
    Tractor
    Kubota L4610, ZD21, RTV900, B2630

    Default Re: Removing Rusty Parts

    I read somewhere that an old mechanic, who rebuilt tractors, used to put rubbing alcohol in the cylinders of stuck engines. He let them sit for three hours and the pistons would come free.

  5. #15
    Super Member
    Join Date
    Apr 2000
    Posts
    8,018
    Location
    Shingle Springs California
    Tractor
    New Holland TC40D

    Default Re: Removing Rusty Parts

    Coca Cola works well. It is acidic, and will do wonders to loosen a set of rusty rings.

    The vapor pressure of alcohol is so low, it would take less than three hours for it to evaporate. But, it's affect on the goo and rust may take a bit. I can see where it would loosen up general goo, but don't think it would help with rust. Could be wrong though [img]/w3tcompact/icons/grin.gif[/img]

  6. #16
    Silver Member
    Join Date
    Jul 2001
    Posts
    244
    Location
    Geneseo, New York
    Tractor
    John Deere 4300

    Default Re: Removing Rusty Parts

    I have used PB Blaster and have had good success with it. A few years ago I was trying to free the piston in a rear brake caliper on a Porsche 914. I worked at it every night for a week. Spray and tap with a little heat did nothing. An old mechanic friend looked at it and told me to find a sub-zero freezer and to put it in there over night. A restaurant in town had one and it got some laughs but the caliper spent the night on ice.

    The next morning I picked it up and put compressed air to it and out popped the piston. The cast of the housing and the metal of the piston contract at different rates in the extreme cold.

  7. #17

    Join Date
    Jun 2002
    Posts
    204
    Location
    Aiken, SC
    Tractor
    Kubota 3710, 1970 Leland 384

    Default Re: Removing Rusty Parts

    You can do the same thing with a cheap styrofoam cooler and some dry ice.

  8. #18
    Silver Member
    Join Date
    Jul 2001
    Posts
    244
    Location
    Geneseo, New York
    Tractor
    John Deere 4300

    Default Re: Removing Rusty Parts

    It was more fun seeing the expressions on the faces of the owner and his wife at the restaurant when I was telling them what I was trying to do. Better yet when they found out that it worked.

  9. #19
    Gold Member
    Join Date
    Jan 2002
    Posts
    305
    Location
    Northwest GA USA
    Tractor
    Kubota L3710DT & Yanmar 186D

    Default Re: Removing Rusty Parts

    My local independent hardware stocks Kroil oil. If yours doesn't and you are looking for it you can buy it direct from Kano labs at <A target="_blank" HREF=http://www.kanolabs.com>http://www.kanolabs.com</A> or dial up Midway USA (shooting supplies) at 1-800-243-3220. Some shooters use it as a bore cleaner.

  10. #20

    Join Date
    May 2002
    Posts
    106
    Location
    Way North Idaho Base/US and Canada Territory
    Tractor
    Use from inventory-varies

    Default Re: Removing Rusty Parts

    We used WD-40 for quite some time until we came across PB Blaster and it has worked well for us. One of our machinists works part time at Carquest auto parts and introduced us to Sea Foam Deep Creep for breaking rust and several other things. Sea Foam has other products for trannies, etc.

    We believe Sea Foam's Deep Creep is even better than PB which we have always liked. Give it a try and it may save a few hours and a few taps.

    I have no relatives at, nor stock in, this company although I have invested in many cans of Sea Foam.

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