Is an oldschool Kalamazoo 300 band saw any good and worth fixing up? - Page 6
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  1. #126
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Now the hard part is finding a die for this 1/8" NPT thread. I know it's 27 tpi but I'm not sure of the other number maybe 13/32 for a die of (13/32" - 27 tpi) ?

    This link is where I am getting these numbers from https://www.plumbingsupply.com/pipethreadsizing.html
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  2. #127
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Quote Originally Posted by N2 Welding View Post
    When I made the decision to go get this I figured I'd look at the saw to see what it was. I could not see from the listing's pics and it turned out to be a hidden gem. Then there is the $50 millermatic 35s I got as well. My main goal was to get some nice forks for my loader and have some extra steel from the Big Joe for other projects. I ended up with a lot more than I ever imagined I would and if I had 3 phase power would of ended up with a couple more great deals.
    I put a rotery phase converter with a 10 hp motor in garage years ago I never tried a 3 phase welder on it but every machine worked flawless cost me around 3 or 400 bucks for complete panel from American Rotery in Plymouth wisconsin I think also excellent service from them dealing with a tardo like me when it comes to electric, also I don't get someone forwarding parts to you from another state is it a California thing like they won't ship boots to California because the brass eyelets cause cancer or something like that, nice deals you got

  3. #128
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    A real Virgil Tech man would take the valve apart, do a little grinding and braze it into an adapter that fits the cylinder, AFTER washing the valve up in simple green or better yet, cooking it for 10 hours in the crockpot. Then bake it at 300° in a pan of new kittylitter.

    New parts don't belong on a restoration.

  4. #129
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Well Virg, I had considered brazing a new brass threaded pipe onto the valve with a sleeve but I don't have enough brazing practice and I don't want to screw this up. I get one shot to fix it. I think the way I am going to do it is the best way I can do it.

    I am thinking maybe I can sweat the threads with flux/solder between the valve and the extension so it becomes one again and has less chances of leaking ?

    Pat all I know is the guy said they are not set up for California taxes what ever that means.
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  5. #130
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    I stopped at Ace since I was headed down the street to pick up a Rodeo Pizza from Pappa Murphy's to see if they have a 1/8-27NPT Die and sure enough they did. cost me less than $6.00 OTD I made it there with about 30 minutes to spare. Ace closes at 7pm.

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    Last edited by N2 Welding; 10-09-2018 at 10:26 PM.
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  6. #131
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    I'm not sure if this piece is factory or if it the previous owner/s added it to control the flow. It was inside the broken off pipe at the surface of where the threads broke close to the outside of the pipe/cylinder.

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  7. #132
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    The piece that looks like a brass washer is a flow restricting orifice.
    It's there to regulate volume of oil that can pass thru in a period of time. It provides a level of safety against the monkey running the machine from dropping the carriage and breaking the blade.
    You'll also notice it when you lift the carriage with the valve full open.

    Cylinder threads look a little raggid. Run a tap in gently after you pack the flutes with lard to grab chips and lube the cut and see how it cleans up. If you can get a usable thread, use JB Weld for thread compound on final assembly.

    Valve itself doesn't see enough pressure that it couldn't be reused by soldering it into an adapter that has been opened to accept with Refrigeration soft silver or even a low temperature brass. As long as the stem is removed the valve should experience no problem being soldered or brazed.

    Hell, it's already broken you got nothing to loose by trying. Practice on some scrap.

  8. #133
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Would vegetable oil work in a pinch to test this thing out?

    Edit: I was not able to get the stem out. It looks like it has thick flat rubber seal/bushing behind the big nut where the stem goes into the valve. Kind of like one found on a sink or shower faucet.
    Last edited by N2 Welding; 10-10-2018 at 01:03 AM.
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  9. #134
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    If you put veggie oil in you'll play hell cleaning it back out.
    Power steering fluid or ATF both come in quarts.

    Construction is pretty similar to an old fashioned sink faucet. The rubber may be so old it won't come out easily.

    Worst case, go to epoxy instead of brass or silver bearing solder.

  10. #135
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    I have transmission fluid. The cup is leather. After getting it all cleaned up I can see the leather. So it calls for light grade oil like 10wt or something like that in the manual. I have hydraulic fluid, John Deere Low Viscosity hydro pump oil for my garden tractors.

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    Last edited by N2 Welding; 10-10-2018 at 02:12 AM.
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  11. #136
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Use the green juice for the tractor.

    Leather is dar more forgiving than synthetic cups.

  12. #137
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    JD J20C is the grade. It is actually Heavy Duty Hudraulic oil not low vis.
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  13. #138
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Don't matter to that machine, long as you don't paint it gawdawful green.

  14. #139
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    It is used in place of 10w-30 or 5w-30 wt oil in hydraulic systems.

    Here is a pic of the repair. I want to test it befor using anything on the threads in case I need more parts for the cylinder.

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  15. #140
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Lift the carriage, close the valve and see if it falls.
    If the leather is saturated compressed air should hold the carriage up once sufficient compression is reached.

  16. #141
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    I filled it to the rim with oil and had to dump some out. It works. Stays in the up position and I can actually lift it pretty quick. My guess would be oil flows past the cup a lot easier in reverse. It decends slow or fast based on how much I open the valve like it should. I did not put the little flow control washer back in at this time. Not sure how much it'll help.
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  17. #142
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    As long as you remember there is no flow restrictor in the circuit it will work fine.
    First time you forget, you'll buy a new blade.
    After that you'll remember quite a while.

    Lock it about half way up and see what it does overnight.

  18. #143
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Oh good idea. I just got all cozy in bed. Now I have to go back downstairs. I will report back in the morning with what I find out.
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  19. #144
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Ok 7 hours later and the saw has not moved so it is holding pressure and safe to use.
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  20. #145
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Now for some bearings oh yeah and more cleaning so I can see the numbers on the bearings. Fun fun fun.
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  21. #146
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Well, it's a tiny step in the right direction, and you have satisfaction of fixing something you were just going to go Technician on and throw parts at.

    If you didn't trip or stub your toe on your trip from and back to bed, you may get a B this marking period from Virgil Tech.

    Did the wife unit ask if you were nuts when you left the bed?

  22. #147
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    What :O. It’s a huge step in the right direction. The biggest was finding it and bringing it home Yes I did have some sense of satisfaction in saving the part at a fraction of the cost of new and not having to wait for the part. I just need the guide bearings, blade brushes, oil for gear box and a few blades and I will be able to get this puppy in shape to start making some test cuts. Well there is still a lot of cleaning and greasing of the idler wheel bearing and blade tension slide plate. I think I will hold off on a new belt until I see how it cuts.

    She is sick and is does not show much interest in my male hobbies like most female species. So no she did not ask what I was doing.

    This saw was said to have taken a fall. Is there a specific way to tell if anything important is of whack that would prevent it from making true cuts? I already know I will probably need some guidance in getting the blade alligned properly if it is not set up correctly.
    Last edited by N2 Welding; 10-10-2018 at 04:37 PM.
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  23. #148
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Quote Originally Posted by N2 Welding View Post
    Is there a specific way to tell if anything important is of whack that would prevent it from making true cuts? I already know I will probably need some guidance in getting the blade alligned properly if it is not set up correctly.
    Never did get an answer.
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  24. #149
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    As long as the head doesn't wiggle side to side you got a good chance.
    Only way you'll know for sure is when you start cutting.

    Straight cuts are highly over rated - think of a few degrees as a way to minimize the pre weld grinding you need to do.

  25. #150
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    Re: Is an oldschool Kalamazoo 300 band saw any good and worth fixing up?

    Quote Originally Posted by N2 Welding View Post
    I think I will hold off on a new belt until I see how it cuts.

    .
    Keep in mind your OLD blade may be creating problems that may not exist using a NEW blade.


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