Saving A Ford 3910

[RickB]

Do not use AW32. The J20 compatible oil will be ok for the brakes and PTO clutch if they are referencing the Deere J20 spec. You can use it in the transmission and power steering as well.

 

[fried1765]

The 3910 is doing better each day, started it this morning, very little smoke that cleared away in a couple minutes. I adjusted the clutch, now takes hold about 3/4 out, feels about right to me. I had a set of headlights that came off a 3930 that I installed a front loader on a couple years ago, installed them, connected the wires pulled the switch and they are working. I did get a new 4DLT battery for the tractor actually before I did very much to it because the battery was missing. I didn't get to change the transmission, and rear end fluids because I bought what I think is the wrong fluid. When I told them at the parts store what I wanted, they gave me Warren AW-32 which I believe is 10wt. I have read that I need at least a 20wt. I have 5 gal of VP Racing ultra J20A Plus, that I think came from TS. Thinking about taking the AW-32 back and getting 10 gal of the ultra J20A Plus. What do you think? Here are a couple more pics with light on and tractor running

View attachment 622269View attachment 622270

Ran out of paint after the breather cap, and the diesel fuel cap??

 

[PM Wells]

I ordered the air cleaner cap off ebay, it was supposed to be black, but as you can see it was blue, the fuel cap was on the tractor as is when I got it , don't know if it had been replaced or not. I did change the transmission and rear end fluids along with new hydraulic filter today, I used a premium grade tractor hydraulic & transmission oil that was recommended for New Holland tractors M2c134 a,b,c,d. I was surprised at the condition of the underside of the tractor, paint was pretty good and drain plugs were in good condition with no rust. The transmission fluid was milky, the rear end fluid was getting dark but still looked good, no water in it. Started the tractor after changing fluids and have very little smoke. I will probably put the rest of the sheet metal back on it and just use it as is for a while. I am happy with this project so far and think it was worth the cost to get it going again.

 

[ovrszd]

You should be very happy.

I agree. Use it for awhile then decide how far to go. Might be fine just like it is!!!

 

[PM Wells]

I had not started the 3910 in the last 4 or 5 days until today. There was quite a bit more smoke since the last time. What about valve guide seals? that seems to me that it could be the problem with the smoke at startup.

 

[Birdhunter1]

Take a video and post it next time.

 

[PM Wells]

I am pretty sure the engine has some carbon buildup on the valve seats, and maybe in the cylinders, and valve seals could be worn.
When I started it today, it had some smoke but not near as much as after it sat for 4 to 5 days

 

[shovelmike]

A little bit of smoke at start is liveable, if it runs well use it.

 

[RickB]

I am pretty sure the engine has some carbon buildup on the valve seats, and maybe in the cylinders, and valve seals could be worn.
When I started it today, it had some smoke but not near as much as after it sat for 4 to 5 days

If you want to overhaul the engine, just do it. I sure would not, but you have been talking yourself into it for a month now. If you had done the **** compression test you would know more about what it needs.

 

[PM Wells]

I was told by the man that rebuilt the pump that the engine would not even start if the compression wasn't at least 325 on each cyl. If I had done the compression test before I tried to start it, and it was low, I would probably not have went on with it. I am not planning to rebuild the engine, but may do some valve work if that would help with the smoke problem. Now if you have a problem with me asking questions about this tractor, that is your problem. You certainly do not have to read any of my post, and don't think you can come back with your smart A response just because you worked on tractors before.