Need help from a farmer, farm equipment mechanic, etc.
I have a New Holland 3930 tractor, 3 cylinder diesel, 55 HP. I bought it in 1993 and have had very little trouble with it. However, it's time to paint the hood sections. It's easy enough in principle, but the muffler goes trough the hood, and unless I get the muffler off, the hood doesn't come off.
It's obviously corrosion where the muffler joins the exhaust pipe; penetrating oil is pretty useless since it has to travel uphill. Do you know of any tricks to separate the two? Or should I just unbolt the exhaust manifold from the exhaust tail pipe pipe and pull off the hood with the muffler and tail pipe attached to the hood? Thanks! |
It might be easier just to cut the muffler off the pipe leaving the manifold, and air chisel the remaining muffler pipe assembly off (obviously not the part attached to the manifold). I can't imagine the muffler/exhaust assembly would cost that much. I bet it has pretty much welded itself together with rust. Just my .02, but I'm not staring at it either.
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The hood must be mounted with a hinge to the body of the tractor, by the firewall. Is there a pin you can remove? How does it disconnect? When you disconnect that, you should be able to lift the hood up and over the vertical exhaust pipe. Failing that, what are you afraid of? forcing the nuts that hold the muffler on and sheering the studs? If you do, it's inconvenient, but you could always remove the broken studs with an ease out, then install new studs and nuts.
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If you haven't already ruined your muffler get a couple large plastic dropcloths and a couple rolls of masking tape. Drape the plastic over and around the areas you don't want to paint; taping it firmly in place. Sand, prime and paint with the hood still on the machine and save the cost of a new muffler to spend on Gin.
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Advanced search on ebay https://www.ebay.com/sch/i.html?_nkw...g=200&_fosrp=1 Tillman makes an affordable quality leather apron. Although it would still hurt if the wheel exploded or if the grinder kicked back, the leather will most likely reduce serious injury. I have this one myself ( actually two, one at work and one at home) https://www.ebay.com/itm/TILLMAN-384...ty!18092!US!-1 if you want a slightly shorter apron, here's a 42" ( great price ) https://www.ebay.com/itm/TILLMAN-384...sAAOSwPHZcoTtG |
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