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Recent content by Gtlars

Yesterday's Tractor Forums
  1. G

    1975 DB 885 Gas Engine

    I'm happy to report that we have it running pretty good. We had to replace the worn out Zenith IV carburetor with a Chinese knock off Weber 34ICH. I'm pretty surprised that, so far, it's working very well. We made a new external oil line for the cylinder head. As joestewart advised, we had to...
  2. G

    1975 DB 885 Gas Engine

    Thank you very much. That’s exactly what we will do.
  3. G

    1975 DB 885 Gas Engine

    Well, we finally got it running, sort of. It seems to have a fuel delivery issue. So we are seeking a carburetor kit online which I am hopeful we will find. Another issue we noticed when we first got the tractor was the previous owner ran an external oil line from a tee where the oil pressure...
  4. G

    1975 DB 885 Gas Engine

    We found a supplier that had the hydraulic filter warning light switch, OE# K921317 listed in their interchange as a Oil Pressure Switch. So to be sure, I gave the supplier a call and ask him to confirm the interchange and explained its actual function. He confirmed it was correct so I ordered...
  5. G

    1975 DB 885 Gas Engine

    Thanks for the reply. Yours sounds like an unsolved mystery. I’ll post if mine falls into that category.
  6. G

    1975 DB 885 Gas Engine

    Thanks. I’ll buy it from OE.
  7. G

    1975 DB 885 Gas Engine

    We have a hydraulic filter warning light switch that is functional but there is no terminal to connect the wire. Does anyone know where to find a replacement switch? Case number K921317. Switch marked AC England, 4473, 7-1/2-9 VAC, 7F3. Pictures attached. Thanks. Gregg
  8. G

    1975 DB 885 Gas Engine

    Thank you! I thought it was strange that it was completely missing, but also strange the filter suppliers don’t have the almost-as-popular corresponding part.
  9. G

    1975 DB 885 Gas Engine

    We were servicing the trans/hydraulic system yesterday and found the inner plate (By-pass valve) that fits inside the filter was completely missing. The filter is non-functional without it. It is available from OE, but I was hoping I could find it in the aftermarket (so far no luck) or used. Any...
  10. G

    1975 DB 885 Gas Engine

    Thank you! I’ll use a thick oring and glue it in place.
  11. G

    1975 DB 885 Gas Engine

    Thanks for your reply. So should I just cut a hole in the gasket and be done with it or should I worry about the recessed area on the manifold too? Thanks, Gregg
  12. G

    1975 DB 885 Gas Engine

    Merry Christmas and Happy New Year to all! Here's an update...just received the head back yesterday from the machine shop. The oversized seat and a new exhaust valve did the trick. I noticed something unusual on the head, coincidentally with cylinder number two, same cylinder as the dropped...
  13. G

    1975 DB 885 Gas Engine

    Thank you both very much. Yes, DB recommended 20W20 for both. I don’t recall ever seeing 20W20. I’ll stay away from the yellow buckets.
  14. G

    1975 DB 885 Gas Engine

    We are getting ready to change all the fluids on this tractor. It appears that the engine and the hydraulics use the same grade of oil. The recommendations from the manuals I have are all very dated. Can anyone tell me which modern oil is recommended?
  15. G

    1975 DB 885 Gas Engine

    Thanks for your advice. We are hoping the oversized seat will solve the problem. We will find out next week. I will order the gasket set. I didn’t know the diesels don’t use the inserted valve seats. Thank you for your help!
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