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Steve16 
Bronze Level
Joined: 07 May 2017
Location: Kansas
Points: 2
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 Topic: 1981 Allis 6080 surging issues
Posted: 07 May 2017 at 9:52pm |
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I have a 6080 that will run anywhere from 10 minutes to 30 minutes and will then start to surge. It will surge two or three times and then will die. It will not restart for 12 - 24 hours and then we repeat the cycle. I have changed fuel filter - bled lines - changes fuel lines. Any suggestions?
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wekracer
Orange Level
Joined: 13 Oct 2009
Location: Tebbetts, MO
Points: 1587
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Posted: 08 May 2017 at 6:05am |
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Sounds like something in the fuel tank. I just had a similar issue with a 175. I siphoned out the tank and put a piece of 1" hose on the end of the shop vac and sucked the tank out good. It's been fine since but I haven't run it much. Good luck
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victoryallis
Orange Level
Joined: 15 Apr 2010
Location: Ludington mi
Points: 2862
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Posted: 08 May 2017 at 7:02am |
 wekracer wrote:
Sounds like something in the fuel tank. I just had a similar issue with a 175. I siphoned out the tank and put a piece of 1" hose on the end of the shop vac and sucked the tank out good. It's been fine since but I haven't run it much. Good luck |
Agree Unless it has a cab not hard at all to pull the tank and clean it.
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8030 and 8050MFWD, 7580, 3 6080's, 160, 7060, 175, heirloom D17, Deere 8760
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Lynn Marshall
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2156
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Posted: 08 May 2017 at 7:08am |
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The shut off tee in the bottom of the tank is known to be easily restricted. Check for a strong flow at the tee.
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4786
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Posted: 08 May 2017 at 8:06am |
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flex ring breaking down in pump, and the pieces are plugging the return fitting in the top of the pump. Take it out, see if it's plugged, and clean it out and it will buy you some time until you can get the pump rebuilt.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8034
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Posted: 08 May 2017 at 8:47am |
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Following ED,loosen screws holding timing window to relieve pressure and see if it starts right up.If that works,be time for rebuild.
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