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Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Diesel > Yanmar 2gm2f no start after fueling
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Diesel This is a forum dedicated to diesel engines and their applicable accessories.


Thread: Yanmar 2gm2f no start after fueling Reply to Thread
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Topic Review (Newest First)
01-05-2013 01:01 AM
Faster
Re: Yanmar 2gm2f no start after fueling

Quote:
Originally Posted by alechich View Post
SUCCESS!!!

Thanks to everyone on this forum that responded to me and helped out. I finally got the little handle on the pump to work just a bit more by moving the crank till I could feel it going a little lower and with some resistance. I had loosed the engine fuel filter and noticed fuel coming out of it, so after it looked like no bubbles (which it did from when I first noticed it)I went to the seond bleeder down to what lloked like the injector pump. THIS WAS NOT IN THE MANUAL. There I did get air out and the tightened down. As per at least two or three commenters, on this and another site (cruisers), I decided to try starting it before going to the injectors, as I stated the other day (when I got just a cough and stopped because I hadn't warmed the oil and trickle charger was not on one battery). It started right off today, with a little extra help of encouragement with the starter. I ran it under load also and checked all fittings. Good as new!!
Thanks again.
Good news!
01-05-2013 12:04 AM
73Morgan
Re: Yanmar 2gm2f no start after fueling

Good idea to have spare filters on the boat. I change mine every year. Since this happened while you were fueling there are 2 possibilities:
1. You just ran out of fuel
2. Your fuel got contaminated. Fuel gets old on sailboats since you normally use so little, moisture/bacteria settles at the bottom of the tank. It gets stirred up when you are fueling or you motor in rougher waters. You might want to siphon some fuel from the lowest point in the tank and see what it looks like, if it is dirty that is your problem.
01-04-2013 09:51 PM
alechich
Re: Yanmar 2gm2f no start after fueling

SUCCESS!!!

Thanks to everyone on this forum that responded to me and helped out. I finally got the little handle on the pump to work just a bit more by moving the crank till I could feel it going a little lower and with some resistance. I had loosed the engine fuel filter and noticed fuel coming out of it, so after it looked like no bubbles (which it did from when I first noticed it)I went to the seond bleeder down to what lloked like the injector pump. THIS WAS NOT IN THE MANUAL. There I did get air out and the tightened down. As per at least two or three commenters, on this and another site (cruisers), I decided to try starting it before going to the injectors, as I stated the other day (when I got just a cough and stopped because I hadn't warmed the oil and trickle charger was not on one battery). It started right off today, with a little extra help of encouragement with the starter. I ran it under load also and checked all fittings. Good as new!!
Thanks again.
01-02-2013 09:08 PM
73Morgan
Re: Yanmar 2gm2f no start after fueling

Quote:
Originally Posted by alechich View Post
.......I stopped because the battery was dying (which is on a solar charger but hadn't set the trickle charger for the 2nd batt, nor had the 25 watt light connected to heat the oil sump). however this was THE FIRST TIME i got any sign of life for some time so am very encouraged!!
Will let you know what happens tomorrow.
You realize that a solar charged does not do much for charging overnight. It would help if you could get a full charge with an automatic charger overnight. A fast cranking speed is also important on that initial startup. It sounds like you are almost done. Did you bleed right at the injection pump? Then the last place is right at the injectors, loosen the fittings one at the time until you see fuel coming out. After starting watch for leaks for a while until you feel confident you have none.
01-02-2013 08:45 PM
alechich
Re: Yanmar 2gm2f no start after fueling

Thanks Faster, yeah it did come up before and am religeous about it now but i may have done some cranking before i found out. am hoping it didn't happen (water getting into cylinder). i guess i'll know tomorrow when i try to start with fresher batteries and a warmed oil pan? if it starts it starts right?
01-02-2013 06:54 PM
Faster
Re: Yanmar 2gm2f no start after fueling

It's been said before no doubt, but worth repeating.. be sure to have your RWC valve shut off until the engine catches for real!
01-02-2013 05:52 PM
alechich
Re: Yanmar 2gm2f no start after fueling

Thanks Morgan73. I actually did get the little primer pump going today after turning the crank till the lever felt like it went a little bit further down with a little resitance, and I saw fuel coming from the bleed screw on the pump/filter canister. then I bled the screw further along under it to the pump (?). then i tried to start the engine and actually got a lttle cough before I stopped because the battery was dying (which is on a solar charger but hadn't set the trickle charger for the 2nd batt, nor had the 25 watt light connected to heat the oil sump). however this was THE FIRST TIME i got any sign of life for some time so am very encouraged!!
Will let you know what happens tomorrow.
01-02-2013 03:36 PM
73Morgan
Re: Yanmar 2gm2f no start after fueling

An air leak can develop for various reasons, crack at welded hose connection, dried out cracked rubber hose, etc. However I am guessing that you don't have an air leak. It is very common to end up with a clogged fuel filter. You changed both of them and it is also my guess that you lost all your prime. If people here are going to be able to help you need to focus on and eliminate one thing at a time. The first thing you need to do is get fuel to your Mechanical Lift Pump. If there is no fuel there the pump doesn't have anything to pump or it will take a very long time to get fuel there. In my previous post I gave you one way to do that and dismiss the air leak. Once you do that we will guide you forward.
Please verify is your engine is a 2gm2f or a 2gm20f.
Are you able to turn the engine with the starter.
01-02-2013 12:29 PM
alechich
Re: Yanmar 2gm2f no start after fueling

Thanks Garym. I might try to put that pump on if i still can't get the lever to work right. Surprised you often run out of fuel with the 2gm though, mine seemed to never go down (hence filled it at the end of season with only about 5 gallons-and encountered this problem). still can't figure how i could have got an air leak just by fueling though, although it could have picked up some crap that clogged something and then needed a bleed after i changed the filters.
Thaks all!
12-30-2012 02:38 PM
Gary M
Re: Yanmar 2gm2f no start after fueling

I put an outboard priming bulb permanently installed right at the outlet from my tank. Works great, never could get the manual lever to work. I have a 2GM and seem to run out of fuel regularly.

With the primer bulb I just open the vent on the primary Racor filter, pump the bulb till it get rid of the air them move on to the small filter at the front of the engine. I have never had to vent the injectors at the banjo washers, even when I had my injectors out for overhauled.
Strongly recommend the bulb.

An air leak in the system will do this as has been stated so again the bulb pressurizing the fuel system would help find that.

Good luck.
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