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D15 diesel heavy smoke |
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SJNICK
Bronze Level Joined: 23 May 2022 Location: Amherst Va Points: 3 |
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Posted: 23 May 2022 at 11:34am |
Hi guys. I’m new to Allis tractors and I have acquired what I believe to be late 60s model D15 series II diesel. I want to get it running good to use in the hay fields this year. We had it running a few months ago and it was putting off a ton of black smoke and didn’t seem to have much power. Is that gonna be due to an injector issue (stuck)? If I pull it in the shop and start digging into it is there anything I need to be aware of? Thanks in advance.
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19360 |
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First off, they were only 35 HP on a good day. I would highly suggest that you fully check out the air cleaner or maybe even disconnect it for testing purposes. Lack of AIR is the first thing you have to determine before you do anything else. When they are working hard, they will smoke and fairly heavy by today's modern diesel standards.
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Acdiesel
Orange Level Joined: 15 Jun 2012 Location: Rochester Ohio Points: 2494 |
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Black smoke: As stated already, not enough air and to much fuel.
check for air restrictions, valve clearance, bad fuel and pump timing. start with the easiest things first. Good luck. Dan
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D19 diesel,D17 diesel SER.3 D14 NF,D14 WF, D15 SER.II wf
D15 SER.2 DIESEL,D15 ser.II nf D12 SER.I, D10 Ser.II 2-720'S Gmc,caterpillar I'm a pharmacist (farm assist) with a PHD (post hole digger) |
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AC7060IL
Orange Level Joined: 19 Aug 2012 Location: central IL Points: 3168 |
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X3. Sounds like maybe a bird nest or mouse nest has been built inside the engine’s intake air somewhere(outdoor air breather? Air filter? Engine intake manifold?,etc)
Welcome to the AC forum! Edited by AC7060IL - 24 May 2022 at 12:56pm |
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SJNICK
Bronze Level Joined: 23 May 2022 Location: Amherst Va Points: 3 |
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I have checked the air intake (what you can see when you take the filter out) and all filters too. Everything looks good. I guess next step is to take the intake loose from the engine and check that side.
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19360 |
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If it is a dry type air filter, just leave it out and try it.
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tractorboy
Silver Level Joined: 03 Oct 2009 Location: southern Va Points: 447 |
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Can't help you with the diesel, but welcome to the forum ! I'm just south of you in Halifax co. Good luck with the 15 ! keith so. va.
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