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Short D17 Question
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Dennis IL View Drop Down
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Joined: 23 Sep 2009
Location: Illinois
Points: 7839 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dennis IL Quote  Post ReplyReply Direct Link To This Post Topic: Short D17 Question
    Posted: 10 May 2011 at 7:25pm
I noticed today a very rapid tapping sound (only under heavy load) best way to sdescribe it would be like two spoon handles tapping together and as mentioned very rapid.
I only hear it while working the machine hard (and even then it doesn't seem to be all the time).... as opposed to light work like bushhogging etc.
My first thought was maybe tappet clearance, what do you fella's think? I have been working in the fields non stop lately and just don't have the time to shut that tractor down to poke around with it until I'm caught up with planting.
When I do check into it can any give me an idea of things to check .   Thank you. Dennis.    (while I'm thinking of it tractor is running fine no problems there just a very slight tapping once in awhile)


Edited by Dennis IL - 10 May 2011 at 7:26pm
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21080 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2011 at 7:35pm
Exhaust manifold gaskets.
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Lonn View Drop Down
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2011 at 7:39pm

Manifold gasket giving out? I think you're right to check the tappets. Can you put it to a load and pull off and put back on each plug wire to see if a certain cylinder is the culpret. Hopefully not a wrist pin.

I'm a slow typer. Looks like the doctor already said manifold gaskets.

Edited by Lonn - 10 May 2011 at 7:41pm
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Dennis IL View Drop Down
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Joined: 23 Sep 2009
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Points: 7839 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dennis IL Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2011 at 7:40pm
Originally posted by DrAllis DrAllis wrote:

Exhaust manifold gaskets.
  Dr Allis, Thank you for the heads up on something to check. I honestly would have never even thought of something like that making that sound. I had never heard that before.
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Dennis IL View Drop Down
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Joined: 23 Sep 2009
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Points: 7839 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dennis IL Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2011 at 7:47pm
Originally posted by Lonn Lonn wrote:

Manifold gasket giving out? I think you're right to check the tappets. Can you put it to a load and pull off and put back on each plug wire to see if a certain cylinder is the culpret. Hopefully not a wrist pin.

I'm a slow typer. Looks like the doctor already said manifold gaskets.
You guys are a trip LOL! that's two with the same thought and I never even heard of such a thing (manifold gasket making that kind of noise)
Lonn, while I was on the tractor my mind was racing and that thought did cross my mind as well (wrist pin) I have a feeling it's not (sure hope not) the reason I don't think it is is beacuse I remember the Super M  making a noise and it turned out to be a wrist pin but that was much louder than this is. Also it just wasn't as fast a tap as this is on the D17.
Different tractors I know, but I would think it would sound somewhat similar.
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TexasAllis View Drop Down
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Joined: 14 Sep 2009
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Points: 396 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TexasAllis Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2011 at 8:02am
Originally posted by Dennis IL Dennis IL wrote:

Originally posted by Lonn Lonn wrote:

Manifold gasket giving out? I think you're right to check the tappets. Can you put it to a load and pull off and put back on each plug wire to see if a certain cylinder is the culpret. Hopefully not a wrist pin.

I'm a slow typer. Looks like the doctor already said manifold gaskets.
You guys are a trip LOL! that's two with the same thought and I never even heard of such a thing (manifold gasket making that kind of noise)
Lonn, while I was on the tractor my mind was racing and that thought did cross my mind as well (wrist pin) I have a feeling it's not (sure hope not) the reason I don't think it is is beacuse I remember the Super M  making a noise and it turned out to be a wrist pin but that was much louder than this is. Also it just wasn't as fast a tap as this is on the D17.
Different tractors I know, but I would think it would sound somewhat similar.
 
Which cylinder was it?  I bet it is the rear exaust port.
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CTuckerNWIL View Drop Down
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Joined: 11 Sep 2009
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Points: 22824 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2011 at 8:17am
I've heard that sound from my 45 before but but just forgot, till DR Allis mentioned it, what caused it. My gaskets were bad in front and in back and the neighbor could hear the tapping when we passed in the field. That was the first time I plowed with the 45.
http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Skyhighballoon(MO) View Drop Down
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Joined: 11 Sep 2009
Location: Pilot Grove, MO
Points: 3115 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Skyhighballoon(MO) Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2011 at 1:14pm
I need to check my D17 Series IV very closely...it's been making the same sounds.  Mike
1981 Gleaner F2 Corn Plus w 13' flex
1968 Gleaner EIII w 10' & 330
1969 180 gas
1965 D17 S-IV gas
1963 D17 S-III gas
1956 WD45 gas NF PS
1956 All-Crop 66 Big Bin
303 wire baler, 716H, 712H mowers
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john(MI) View Drop Down
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Joined: 12 Sep 2009
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Points: 9262 		Post Options Post Options   Thanks (0) Thanks(0)   Quote john(MI) Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2011 at 1:30pm
Are you using the PTO?  Are you using the hydraulics?  Start by eliminating those.  I heard that sound from my hydraulics on my D14!
D14, D17, 5020, 612H, CASE 446
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