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iowallis 
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Joined: 04 Jun 2017
Location: North Iowa
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 Topic: D15 running poor/stalling
Posted: 16 Jun 2018 at 11:37am |
Started up the D15 with the Woods mower on back to mow some old pasture ground this morning. Gas tank was about 1/2 full and added more gas up to 3/4 tank from the same barrel the gas in the tank was from.
Drove about a 1/2 mile to the pasture and started mowing, tractor starts missing/cutting out/dies after about 10 minutes. Starts right back up and idles but when put under load it stalls and dies unless I push in the clutch. My uncle happens to show up and we pull off the sediment bulb and he says it looks like it had a little water in it. I go to the parts store and get a new inline fuel filter. Drain a some more gas out of the tank and install new filter.
Starts right up again, engage the mower and move forward and stumbles/misses again. Ended up driving it back to the home place in the high side side of 2nd gear with the choke fully on and no more than 1/2 throttle. Small rise in the road and had to drop it down into the low side or else it would start to lose power and miss.
Just used it less than 2 weeks ago and no problems. I could see problems from the get go if it was bad gas but I had been running it for almost 15 minutes when the problem suddenly appeared. Thoughts on what to check next?
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Tracy Martin TN
Orange Level Access
Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10694
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Posted: 16 Jun 2018 at 12:05pm |
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If it runs with choke on, you more than likely have pulled trash into carb. HTH Tracy
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No greater gift than healthy grandkids!
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DougS
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Joined: 03 Nov 2011
Location: Iowa
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Posted: 16 Jun 2018 at 12:34pm |
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15 minutes and dies sound like a gas cap issue. OTOH choking the tractor shouldn't help that.
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garden_guy
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Joined: 05 Jul 2013
Location: Illinois
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Posted: 16 Jun 2018 at 12:50pm |
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Yeah, sounds like my WD when it plugs the sediment bowl screen or pulls trash into the carb. Holding the choke open will let me "limp home".
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DiyDave
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Joined: 11 Sep 2009
Location: Gambrills, MD
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Posted: 16 Jun 2018 at 5:51pm |
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Start with the simple stuff, shine a light into the tank, and see if you have a piece of floating crud, that gets sucked into the tank drain, intermittently. Then drain tank, take off sediment bowl, replace or clean screen, replace cork gasket. Drain carb, from plug at bottom, and catch the contents in a clear glass container. If trash comes out carb drain, time to pull carb, and check the jets. If a good flow of gas don't come out, needle valve could be plugged with junk. And don't forget sometimes a bad coil or timing that has slipped, can cause similar probs...
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iowallis
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Joined: 04 Jun 2017
Location: North Iowa
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Posted: 17 Jun 2018 at 10:40am |
 DiyDave wrote:
And don't forget sometimes a bad coil or timing that has slipped, can cause similar probs... |
Never thought about a bad coil. I will borrow one off of one of my old cars to test. I am assuming 12V but is it internal or external resistor?
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
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Posted: 17 Jun 2018 at 3:39pm |
probably not the coil, cause it still kinda,sorta runs but..... you'll have to follow the wires to see if there's a 'ballast' resistor. If so, it's an external style coil as an internal one doesn't need the resistor. If you disconnect the wire from coil to distributor add an ammeter from coil to ground, it should read about 4 amps. Anything more ,it's drawing too much power.
Unlikely a timing issue,cause it starts and runs fine for awhile...
I'm leaning towards crud in the tank. I know it's a pain but I'd drain the tank(remove sediment bowl AFTER putting a 5G pail under it) ,get all teh gas out, then shine light inside...see if it's clean. by then the gas in the bucket may have separated a bit...water sinks, gas floats.
when you get it sorted out, please post what you found as it'll help others !
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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EPALLIS
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Joined: 12 Sep 2009
Location: Illinois
Points: 1146
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Posted: 17 Jun 2018 at 8:15pm |
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Few years back I had the same issue with my D-15 Series II. Crude in the fuel line. Cleaned that all out and put in new fuel line and was back to good as new. Good Luck!
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MACK
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Posted: 17 Jun 2018 at 9:19pm |
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Sounds like a gas problem but a condenser can act about the same way. MACK
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Butch(OH)
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Location: Lucerne Ohio
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Posted: 18 Jun 2018 at 5:51am |
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First be sure you have good flow past the sediment bowl. If you have it sounds like you either have a bit of trash either at the needle or main jet. A fast fix that I learned from Dad that works about half the time is to remove the air clear pipe cap, start the tractor and run it wide open and put the palm of your had over the pipe briefly and remove it and let it recover(dont kill the engine) do it several times. The high vacuum created will often pull the debris on through. Just had to do that myself last time I mowed with my D15II
Edited by Butch(OH) - 18 Jun 2018 at 5:52am
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ocharry
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Location: missouri
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Posted: 18 Jun 2018 at 11:25am |
your uncle said,,,,"looks like it had some water in it",,,,from condensation maybe,,,from half or less tank of gas???
if it really does have water in it,,,,and it got a little bubble of that water into the bowl of the carb,,,,that could be the answer,,,,water in the carb will do some strange things,,,,and it will take a long time to run it through,,,,might i suggest that if the bowl of the carb has a drain in it,,,that you pull it out and let some gas run through the carb to maybe flush the water,,,if any out of the bowl,,,or take the bowl off and dump it out and clean
just my .02
ocharry
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iowallis
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Joined: 04 Jun 2017
Location: North Iowa
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Posted: 18 Jun 2018 at 7:51pm |
Thanks for the suggestions.
The inline filter I replaced didn't look that old but replaced it anyways so unless something was in the tank blocking the outlet I think the gas is clean of debris, plus the barrel has a filter on it also. I will still take a light and shine it down into the tank just in case.
I think my next step is to drain out the bowl of the carburetor and drain more than a few seconds worth out of the tank.
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*DougW
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Joined: 11 Jun 2017
Location: Lancaster PA.
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Posted: 18 Jun 2018 at 8:14pm |
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Had similar problem with my D-15 Ii. Turned out it was the rubber fuel hose to carb. New hose and away we went.
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Boss Man
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Posted: 18 Jun 2018 at 8:18pm |
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Had a blade of grass get in the tank and plug the inlet of the sediment bowl once
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iowallis
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Location: North Iowa
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Posted: 02 Jul 2018 at 7:26pm |
Update-
Drained about a quart of gas out of the tank/lines by unhooking at the carburetor in case water was the issue. At about the same time my niece was filling up the lawn mower out of the same barrel and said she has had no problems with the gas.
Runs great! Head off down the road to mow the pasture and same as before, after 10-15 minutes it sputters under load. Once again limp back to the farm with the choke on and in 2nd gear.
Look in the tank with a light and everything looks clean. Start taking stuff off and the gas barely dribbles out of the fuel line. Same with the sediment bulb. Get a few gas cans ready as the tank was about 3/4 full. Unscrew the sediment bulb from the tank and boy does the gas come out fast! Gas gets all over my pants and all over the floor while I am trying to switch cans around, more in the tank than I expected. Luckily I was working on it in the open end of the lean to on the barn so some breeze was coming through to evaporate the gas.
Take a closer look and looks like some cork pieces in the inlet of the sediment bulb. Shake some of them out and a few blasts of carb cleaner get the rest.
Fuel gauge has a plastic float and I don't ever remember my dad changing out the gauge in the 25 years he had it and with the crud around it looks like it had been in there for awhile. Cork must have been floating around a long time and finally settled on the bottom. Maybe as it sat it would float out of the inlet to let some gas by and then plug again after I started using it.
Put in all back together, ran good, so I shut it off and drove home to shower and change clothes and back out to mow. Tractor ran great but after about 2 hours, then a 1/3 of the mower wasn't cutting and so back to the farm and another problem to look at tomorrow.
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DSeries4
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Location: Ontario, Canada
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Posted: 02 Jul 2018 at 8:49pm |
Lose the inline filter. Too much restriction on a gravity feed line. The sediment bowl is all you need. Give your tank a GOOD cleaning out, put a new filter in the sediment bowl and give your carb a good cleaning and you will not have any problems for a long long time.
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