Struggling

[PRZNBUS]

I'm having trouble getting about half of these big a$$ screws out of the wall seat track mounting rail. Some just zipped out and the others just spin. Is there a caged nut on the back side which let go and is now spinning? I'll go medieval on it if I need to and grind it off but just wondering why it's spinning.

[Scott & Heather]

I can't be sure what's behind there, but when we stripped our MCI in prep for conversion, the angle grinder with a cutoff wheel was literally the only tool for most of the process. We bought two of them and Heather and I went at it together. That's what I think on that particular screw in your picture...grind 'er off!

[chessie4905]

   Probably has riv-nuts or equiv on some locations. Just get an angle grinder with a cutting blade. Drilling is going to take too long, but is an option.

[robertglines1]

air chisel. Flat blade also get a sheet metal cutting blade to use later (sort of looks like a fork with a dropped center) . It's more fun when demo is done!

[Geoff]

$30 air chisel.

--Geoff

[gumpy]

Angle grinder on those. Too big for an air chisel.

http://www.gumpydog.com/Bus/MC9_WIP/Structural/Ductwork_And_Air_Vent_Panel_Removal/ductwork_and_air_vent_panel_removal.htm

[Jim Eh.]

I used an angle grinder. They appeared to have a threaded plate that slid into a track allowing them to move a little but some of them ended up spinning in a complete circle so the angle grinder was the tool of choice. They are tough.

[eagle19952]

Air chisel.

[Debo]

I used my grinder with a cutoff wheel to make it look like a big flat head screw, then used a cold chisel to split the halves off. Only took a minute or two for each one.

[sledhead]

thats nothin'    if you have a wash room there is were the fun starts !!!   to remove !!

dave

[chessie4905]

   Angle grinder; electric...$21.99 Harbor Freight. Don't need an air supply or run the bus or buy hose.:}

[gumpy]

Oh hell. Man up. Use a 1" cold chisel and 5 lb hand maul! Every busnut needs to build upper body strength.

[Scott & Heather]

Craig, I'm pretty sure my wife used her teeth to chisel the screw heads and rivets.


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[PRZNBUS]

Oh hell. Man up. Use a 1" cold chisel and 5 lb hand maul! Every busnut needs to build upper body strength.

Upper body? I'm all potential muscle! I'm using my grinder.

Bruce

[lvmci]

I hit them with a hammer before using the biggest phillops head I could find. lvmci...