D19 Gas possible governor surge?

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   Have been getting some time in the furrow with my D19 Gas pulling a series 70 SC set on 5-14"s. Tractor was overhauled from the bell housing froward this past spring. It was handling the plow real well imho from the getgo. Plow was not scoured and hadnt turned a furrow in a long time. Tractor ran fine plowing in third gear making 6 passes about 100 yards long. Got dark and put it back in the shed. 2 days later, resumed plowing in a different field making passes about 1/8 mile long each. after 2 rounds tractor starts to sound like the governor was causing a surge in rpm at WOT. Got out the service manual and tried to adjust out the rpm surge per instructions. Set low and high rpm's and then turned in the anti-surge screw till I raised the high idle to 2300. Went back to the field and made another pass, but the adjustment I made did not help much at all, tractor still experienced high/low engine rpm's. Hopefully the video will load. Any advice is appreciated!uploads/24926/IMG_0592.jpeg Edit: Video is too big to load

Edited by Buddy2366 - 22 hours 53 minutes ago at 7:55pm

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Buddy2366 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 14 Jul 2024 Location: ECIL Points: 40	Post Options Post Reply Quote Buddy2366 Report Post Thanks(0) Quote Reply Topic: D19 Gas possible governor surge? Posted: 22 hours 60 minutes ago at 7:48pm
	Have been getting some time in the furrow with my D19 Gas pulling a series 70 SC set on 5-14"s. Tractor was overhauled from the bell housing froward this past spring. It was handling the plow real well imho from the getgo. Plow was not scoured and hadnt turned a furrow in a long time. Tractor ran fine plowing in third gear making 6 passes about 100 yards long. Got dark and put it back in the shed. 2 days later, resumed plowing in a different field making passes about 1/8 mile long each. after 2 rounds tractor starts to sound like the governor was causing a surge in rpm at WOT. Got out the service manual and tried to adjust out the rpm surge per instructions. Set low and high rpm's and then turned in the anti-surge screw till I raised the high idle to 2300. Went back to the field and made another pass, but the adjustment I made did not help much at all, tractor still experienced high/low engine rpm's. Hopefully the video will load. Any advice is appreciated!uploads/24926/IMG_0592.jpeg Edit: Video is too big to load Edited by Buddy2366 - 22 hours 53 minutes ago at 7:55pm

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D171958 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 03 Aug 2024 Location: Iowa Points: 79	Post Options Post Reply Quote D171958 Report Post Thanks(0) Quote Reply Posted: 20 hours 10 minutes ago at 10:38pm
	My d17 was doing that earlier this year and it turned out a jet in the carburetor was plugged may be the same problem the Dr would know he helped me with mine probably a fuel issue though

SteveM C/IL Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Location: Shelbyville IL Points: 9236	Post Options Post Reply Quote SteveM C/IL Report Post Thanks(0) Quote Reply Posted: 19 hours 47 minutes ago at 11:01pm
	I was thinking as I read that it sounds like a fuel mixture problem as it was fine just the day before.

DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 23583	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 1 hour 3 minutes ago at 5:45pm
	I would agree with the carburetor/fuel mixture possibility. The engine has to perform perfectly for the governor to work properly. Just open the main just a couple of turns and that should give you a clue as to whether that is causing your surging or not. Now as far as governor surging problems on a D-19 gas engine ?? Yeah. They are pretty notorious for that. For myself, I have always avoided using that surge screw as much as possible. My reasons for that are (just like a D-15) using the surge screw makes the governor very "dead" in the slower RPM ranges. I've always gotten by just fine by being patient (really patient with the D-19) and shortening the link rod from the governor cross arm and the carburetor a couple of turns at a time until the surge subsided. Good luck. You'll get it.