H Hood - repaint

banjoman09 · Jun 24, 2017

Just looking for a little advice; my "paint guy" painted my "H" and did an ok job- really looks pretty good. However, he left some "runs" on the hood. Says he is "not" coming back anytime soon to fix. I have a new gun and want to finish myself; I will give it a try - any good advise from you pros? I do have some 600 paper he left? I have some 200 paper also; what should I use to sand out the runs? Also he left some NAPA hardener- im using IH paint- do I add some thinner to paint- I really wont need much paint in gun. Thanks for your help .

Stephen Newell · Jun 24, 2017

If you are asking that many questions maybe you should wait on your paint guy. If you are going to do it get yourself a hard rubber sanding block and some 400 grit wet and dry paper. Depending on how heavy the run is you might let it dry a couple weeks before sanding. Sometimes to take the top off a run and the paint is still gummy underneath and really makes a bad spot to repair.

You do thin the paint but you need to thin it as little as possible and have the paint flow out. Be sure to practice on something else first to make sure you have the paint thinned right. When you spray hold the gun far enough back the paint falls on like a mist, usually ten to twelve inches. If you get too close with the gun and apply it too thick then you will have more runs. Assuming all goes well don't be surprised if it takes two coats. Usually when you sand a spot it leaves a dead looking spot in the paint where the sheen looks different on the repair spot.

PJH · Jun 25, 2017

I'm not a knowledgeable painter, but I've been told that you shouldn't use hardener without proper breathing apparatus. Someone else can explain it better than I can.

Stephen Newell · Jun 25, 2017

There are different kinds of hardeners. The isocyanate hardeners used in urethanes is terrible stuff you need an air supplied respirator to work with. I painted one tractor just using a couple gallons and used a cartridge type respirator and held my breath when down wind from the paint. Afterwards I coughed for six months. Then you have the hardeners like Tractor Supply sells that are much more mild which a cartridge respirator will work with.

dr sportster · Jun 25, 2017

You need a tool called a "run razor" [Auto Body Tool Mart ? ] You need to know the ratio of reducer to paint.

showcrop · Jun 25, 2017

(quoted from post at 07:03:16 06/25/17) There are different kinds of hardeners. The isocyanate hardeners used in urethanes is terrible stuff you need an air supplied respirator to work with. I painted one tractor just using a couple gallons and used a cartridge type respirator and held my breath when down wind from the paint. Afterwards I coughed for six months. Then you have the hardeners like Tractor Supply sells that are much more mild which a cartridge respirator will work with.

Stephen. How long ago was it that you got so much hardener in your lungs? Does your doctor know? If it had that much of an effect on you at the time you must have gotten it pretty bad.

showcrop · Jun 25, 2017

(quoted from post at 07:03:16 06/25/17) There are different kinds of hardeners. The isocyanate hardeners used in urethanes is terrible stuff you need an air supplied respirator to work with. I painted one tractor just using a couple gallons and used a cartridge type respirator and held my breath when down wind from the paint. Afterwards I coughed for six months. Then you have the hardeners like Tractor Supply sells that are much more mild which a cartridge respirator will work with.

Stephen. How long ago was it that you got so much hardener in your lungs? Does your doctor know? If it had that much of an effect on you at the time you must have gotten it pretty bad.

ih560 · Jun 25, 2017

As has been suggested, take a razor blade and careful remove most of the run. Then using your 600 very carefully or 1,000 grit (less chance of sanding through paint) smooth the surface until it is flat. from there, your options are to either rough up the rest of the hood with the 1,000 grit and shoot a full coat of paint over the entire hood, or...

Your other option, which may be easier if you're not good at painting and depending on how good the rest of the hood is, progress from the 1,000 grit to 1,500 then 2,000 and then hand buff and polish the hood to bring shine back to the areas that you have sanded. If the rest of the hood is very good, then removing the run, sanding and buffing the affected area may be the best option.

Stephen Newell · Jun 25, 2017

It was eight years ago when I painted my Case tractor with Nason. I knew the stuff was bad but I thought if I stayed up wind from the spray I would be alright with just a cartridge respirator. Apparently not. I had no intention to paint another vehicle with that paint so I was too cheap to get an air supplied respirator. At the time I wasn't going to a doctor so I have never mentioned it. I don't feel the effects from it anymore and I definitely won't repeat that mistake.

banjoman09 · Jun 25, 2017

sorry been gone a few days: thanks for this info......I will get the proper sanding grit and do this then.....thanks

banjoman09 · Jun 25, 2017

Ok and thanks.... paint guy may show back up this week....if not I will get it done. I will use a mask and paint with my gun...gotta try to do something...thanks for your advise!

H Hood - repaint

banjoman09

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Stephen Newell

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PJH

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Stephen Newell

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dr sportster

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showcrop

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ih560

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banjoman09

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