Seat pivot bushing installation

WD45Aaron · Sep 5, 2019

I bought a new seat pivot bushing assembly for the SC. The old rubber bushings were non existent. I can't seem to figure out how this is supposed to work. The o.d. of the new rubber bushing is a little north of 1-1/4". The i.d. of the tube of the seat assembly is 1-1/32" give or take. Do I have the right part? Is the steel tube supposed to be removed?

Thanks,
Aaron

rustred · Sep 5, 2019

put it together and good to go. steel tube goes in the middle, when tightening just snug it up. why do you wan to remove the tube? the rubber bushings don't get buried.

WD45Aaron · Sep 5, 2019

The hole in the seat support arm where bushings are supposed to fit into is 1-1/32", much smaller than the 1-1/4" outside diameter of the rubber bushing. I did put one bushing in the seat arm but it was such a tight fit it crushed the hole in the bushing to the point where I couldn't put the pivot shaft in the bushing without peeling a bunch of rubber out of the hole. The seat arm has what appears to be a steel sleeve in it. If you look carefully in the picture you can just make out the sleeve. I'm wondering if that sleeve is a remnant of the previous style rubber bushing that was installed?

rustred · Sep 5, 2019

that steel sleeve your talking about looks like brass bushing to me. hard to tell in that pic. but pretty sure need to remove that for the rubber bushings to fit. looks like part of old bushing.

rustyfarmall · Sep 6, 2019

The rubber bushings do not go all of the way into the center tube. If they did, nothing would be accomplished.

WD45Aaron · Sep 6, 2019

So, are you saying that the rubber bushings should not be flush once they're inserted into the hole in the seat arm? Rather, they should stick out either side somewhat?

rustyfarmall · Sep 6, 2019

(quoted from post at 08:15:31 09/06/19) So, are you saying that the rubber bushings should not be flush once they're inserted into the hole in the seat arm? Rather, they should stick out either side somewhat?

Stick out a little, and then are compressed by the bracket.

WD45Aaron · Sep 6, 2019

Well, we got it. It took two sets of hands, a 6" C clamp, a 2 pound hammer, the shock absorber bolt for an alignment pin, some select words calling into question the parentage of the guy that designed the seat, and a little Kentucky windage. I never expected it to be that tight but I'm here to tell you that is. Thanks for the help.

rustyfarmall · Sep 7, 2019

Yes. It is a struggle. I have seen a couple of Hs and Ms where someone gave up, torched off part of the bracket, and then welded it back on after the pivot bushing was installed.

DR. EVIL · Sep 7, 2019

Wow, the seat on my Super H has that exact same seat suspension and I bought the rubber bushings for the
seat and the shock from Bermuda Ken at Carter & Gruenwald when he was still there, and installing
everything was about a one man half hour job.

WD45Aaron · Sep 7, 2019

I'll bring the next one to you. Each bushing had to be compressed 1/4"-3/8" per side to get the whole thing to fit into the bracket. I think it took the two of us 4 attempts. The hardest part was keeping the c clamp centered and where it belonged. My father in law is am IH guy. I told him about it today and he suggested shaving some off the bushings. If faced with this again I just might do that.

D Slater · Sep 8, 2019

Next time you get one that tight take 2 large adjustable wrench that will reach down far enough on the seat bracket to spread the
seat support ears a little by bending at the bend in bracket. After the bushings and seat support is in, use the bolts to pull the
ears back in or a C clamp.

Seat pivot bushing installation

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