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About CL-Judge-TD9

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    Murphy Oregon
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    Cub Tractor

    TD-9 with Blade and cable pull on the back

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  1. CL-Judge-TD9

    Injector pump rebuild help

    Great idea, thanks... will try it Wed and see what happens
  2. CL-Judge-TD9

    Troublshooting a TD9 - engine

    No it is not... I wrote out several pages of process and then it suddenly got erased... so I quit for now. I will write it all out again so that everybody will get to see the process I am following.... thanks
  3. This thread is showing my process of troubleshooting the issues I have run up against in getting my TD9 operational... I was given this TD9 by a neighbor who had left it sitting for over 7 years. My location is Southern Oregon where we do get a fair amount of rain. Another neighbor helped me push the TD9 down to my property to work on. After getting it here, it sat for another 2 years until I was able to get working on it. I ordered 3 books from; these are copies of the original books. 1) Operations Manuel TD9 (1949) 2) Service Manuel and parts catalog "International Diesel Injection Pumps" 3) Service Manuel: "CHS-2 Crawler Tractors"
  4. CL-Judge-TD9

    Injector pump rebuild help

    That would be great news if somebody would pitch in on the subject... I think I will start a new thread specifically for troubleshooting the issues...
  5. CL-Judge-TD9

    Injector pump rebuild help

    Did you ever figure it out? I believe that because of the tooth ratio, it will take 4 full turns of the crank for the alignment marks to come back up into alignment. I tested the compression of the cylinders through the spark plug holes with the gas/diesel lever open and closed. In theory my readings should have been pressure on the diesel on... Gas off... and no pressure Diesel off/gas on setting.... this proved correct for all cyl's except #1 in which there is no change. So it appears that the valve for #1 cyl is not closing when switched to diesel which then does not provide the high compression needed to fire the fuel. So that now looks like I will have to remove the head and fix it... Ugh!!!!
  6. CL-Judge-TD9

    Injector pump rebuild help

    Would you happen to have a picture of the whole Injector pump gear as it looks when it is aligned? Thank you
  7. CL-Judge-TD9

    Injector pump rebuild help

    I did get it bled, I am of the opinion that the issue is that the timing is off. Does anybody know how to set the Gears alignment that powers the pump? There are no matching marks to align the gears together, it could be up to 2 teeth off in either direction. Now, when I put the pump back on, the hub on the pump has an alignment mark that is supposed to line up with another mark on the drive gear. That mark was about 1/2 inch rotation off, so I had to rotate it clockwise about 1/2 inch then hold it there to get the bolts on. My thoughts on this is that was my first indication that the gear alignment was off. My thoughts: what if I remove the pump and rotate the pump drive gear so that when I install the pump the lines line up... ??? Having set the crank to DC (TDC) to get the gears in alignment with the piston stroke. Or does somebody have a better idea as to how I can get or verify the pump drive gear is properly aligned without removing the whole front of the bull-dozer? (see picture of it above, that is a lot of hardware to remove...). Opinions or thoughts?
  8. CL-Judge-TD9

    Injector pump rebuild help

    UPDATE: Checked the compression of the #1 Cyl, in gas mode it was over 100 psi, swapped the injector on 1 and 3 and that didn't make any difference. starts and runs on cyl's 3 and 4... but will not fire on 1 and 2... I have run out of ideas. could this be the pump timing is off?
  9. CL-Judge-TD9

    Injector pump rebuild help

    I ended sending the aux pump with the dist. block and primary pump section out to be looked at and tested. After it came back and was installed I was able to get it started up on diesel... the next problem is that there is no power at all. I did notice that I am getting some flame shooting out of the exhaust... When I installed the injector pump, I couldn't figure out how to make sure that the gears were in alignment properly... there was not any set marks on the gears to match up. When I took it apart I tried to be not to disturb the alignment of the gears. So I set the crank (T)DC and then the hub indicator for the pump gear at "0" ... It did belch out black smoke and started right up on diesel when I did the switch over. At this point I don'[t know if the pump timing should be advanced or retarded. I was also very careful to try to make sure that there was no air in any of the lines... After it was running for a while, I opened the bleeder valves on each injector to make sure it was air free. That was how I figured which cyl was firing or not. Cyl's 3 & 4 were firing but not 1 & 2... When I open the bleeder valve on 1 & 2 there is fuel that shoots out. The tech that worked on my fuel pump parts said that he set up the distribution box and it worked fine on his test bench. So I think this would eliminate the issue with the Fuel pump? I do have all of the books for this model now... but they aren't helping any in this case. Any thoughts would be appreciated... thank you, Gary ==================================================================== I was very luck in that the hydraulic pump was leaking pressure and oil really bad... Hydreco brand... unfortunately it is so old that there were no parts anywhere. Thankfully I found a good company in Calif that was able to find me the parts I needed (the seal for the shaft cost $275.00 )... and bearings at $18.00 @. Anyway, that fixed the hydraulic leak problem... a new H pump would have run around $1500 plus.
  10. CL-Judge-TD9

    Injector pump rebuild help

    The books that I GOT WERE LISTED AS #1011492 WHICH IS THE OPERATING MANUAL, and PU-40D which is the parts breakdown of the Injector pump. I set up the test using diesel and connected a power drill to spin the pump. When the pump started to spin it drew up the fuel properly but then pushed aerated fuel with microbubbles into the primary pump section. You can see the bubbles in the line in the third picture. I pulled the scavenger valve out and cleaned it up as it was stuck, I didn't have a proper seal for it so I used an 'O' ring... do you think that might be the problem? I didn't completely dismantle the pump, but I did remove the side aux pump and clean it, the scavenger valve, and the primary pump on the top. With the aux pump on the side, I have tried several different gasket thicknesses where it goes intot he body of the IP with no change. Oh yes, it also pushes fuel out of the return back into the bucket... I assume that is coming from the scavenger valve. The last item is that the section of the IP where it is supposed to have oil is getting flooded with fuel as well... Any thoughts? I am about to give up and park it.
  11. CL-Judge-TD9

    Injector pump rebuild help

    found a parts book for the pump for $22.00, that and an operators manual are both on order... thanks everybody for your help... The crawler is definitely a 1949 TD9 built for Marine Corps... TDCB35043T4M,_1939_Up
  12. CL-Judge-TD9

    IH TD9 BG tractor crawler

    Is it better to have a operators manual or a service manual? And who might be the best to get one from? Thank you... Gary
  13. CL-Judge-TD9

    Injector pump rebuild help

    ok, so the test didn't go so well... I was using hydraulic fluid instead of diesel and was getting a lot of air being put into the fluid before it got to the injectors. So now I am going to use diesel to see if that was the issue. Went back into the primary pump and made sure that it was put back together correctly. Since I don't have a book I am not exactly sure as to what that is... but I did take pictures and lay out the parts when I removed it and took it apart. At least the fluid is no longer leaking into the main injuctor pump as it was doing previously. So I am making progress.
  14. CL-Judge-TD9

    Injector pump rebuild help

    Thank you, what I did was to get gasket material from the auto store and made the gaskets. I am now trying to figure out how to set the timing when I put it back on the dozer. I need to find a good breakdown book or repair manual... I have set up a test bench to test the pump and verify that it is working properly then back into the dozer it goes...
  15. CL-Judge-TD9

    Injector pump rebuild help

    Does anybody have a parts breakdown of the Injector pump for the 'B' model so I can find a part number for the seals mentioned? Gary