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| Honda EV4010 [message #303358] |
Sun, 10 July 2016 10:26  |
jknezek
Messages: 1057
Registered: December 2007
Karma: 5
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Ok. Finally got my EV4010 installed in the generator compartment. It's all hooked up, starts, runs, makes power perfectly. Then shuts down after about 10 minutes under load. No overheat light comes on. Fan is blowing over the radiator, I can feel the hot air exhausting out the bottom. Overflow bottle level is stable now that I bled it out. Did have a problem yesterday when I first ran it with air in the radiator but it bled nicely. Let it cool down overnight, ran it again this morning. Got 10 minutes under power. Any thoughts? I guess I'm going to have to pull it out of the hole again, but I'm kind of dreading it.
Thanks,
Jeremy Knezek
1976 Glenbrook
Birmingham, AL
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| Re: [GMCnet] Honda EV4010 [message #303364 is a reply to message #303358] |
Sun, 10 July 2016 11:51  |
George Zhookoff
Messages: 398
Registered: December 2004
Location: Snellville, GA
Karma: 6
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Senior Member |
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Call Paul @ Pinellas Power, Fl
George Zhookoff
78 EL II
Atlanta
> On Jul 10, 2016, at 11:27 AM, Jeremy wrote:
>
> Ok. Finally got my EV4010 installed in the generator compartment. It's all hooked up, starts, runs, makes power perfectly. Then shuts down after about
> 10 minutes under load. No overheat light comes on. Fan is blowing over the radiator, I can feel the hot air exhausting out the bottom. Overflow bottle
> level is stable now that I bled it out. Did have a problem yesterday when I first ran it with air in the radiator but it bled nicely. Let it cool down
> overnight, ran it again this morning. Got 10 minutes under power. Any thoughts? I guess I'm going to have to pull it out of the hole again, but I'm
> kind of dreading it.
> --
> Thanks,
> Jeremy Knezek
> 1976 Glenbrook
> Birmingham, AL
>
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| Re: [GMCnet] Honda EV4010 [message #303407 is a reply to message #303364] |
Sun, 10 July 2016 22:36 |
Rollerg
Messages: 111
Registered: November 2014
Location: Marysville, MI
Karma: 0
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I agree.
On Sun, Jul 10, 2016, 12:52 PM Zhookoff, George
wrote:
> Call Paul @ Pinellas Power, Fl
>
>
> George Zhookoff
> 78 EL II
> Atlanta
>
>
>> On Jul 10, 2016, at 11:27 AM, Jeremy wrote:
>>
>> Ok. Finally got my EV4010 installed in the generator compartment. It's
> all hooked up, starts, runs, makes power perfectly. Then shuts down after
> about
>> 10 minutes under load. No overheat light comes on. Fan is blowing over
> the radiator, I can feel the hot air exhausting out the bottom. Overflow
> bottle
>> level is stable now that I bled it out. Did have a problem yesterday
> when I first ran it with air in the radiator but it bled nicely. Let it
> cool down
>> overnight, ran it again this morning. Got 10 minutes under power. Any
> thoughts? I guess I'm going to have to pull it out of the hole again, but
> I'm
>> kind of dreading it.
>> --
>> Thanks,
>> Jeremy Knezek
>> 1976 Glenbrook
>> Birmingham, AL
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] Honda EV4010 [message #303413 is a reply to message #303407] |
Mon, 11 July 2016 00:25 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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I have never had vapor lock on my 455 or my Onan before. Then we went to Branson a couple of weeks ago to the GMCMI summer rally. My engine driven AC has a leak so we used the overhead AC and the Onan in 95 to 102 degree heat while driving into the sun all day. On the second day I filled up with gas in Rolla MO. and then my problems started. I normally do buy craponol laced fuel but this time I did not pay any attention and did not test the fuel. I got about 40 gallons of "Top Tier" 87 at a Conoco station. I did not realize at the time that they were "Top Tier" which guarantees 9% to 11% Craponol. I got about 10 mile down the road and the Onan quit. The temp was 97F. I pulled into a town and hid in the shade behind a Walmart. The Onan would start and die, start and die, repeatedly. I thought it was the low oil pressure switch so I added 1/2 quart of oil. It started after that and we made it about 10 more miles before it quit again. We spent the rest of the day with this scenario. When we pulled into Branson West it was 102 F. and the Onan would not run. After we killed about 1.5 hours in an Air Conditioned store there, the Onan started and ran until we got to Branson where it died again. The end result is we were getting vapor lock on the Craponol laced fuel. On the way home from Branson 1 week later with the temps in the high 80s we never had a problem and we burned off the rest of the E-10 craponol fuel.
My solution to this problem will be to cover the incoming fuel line with aviation "fire sleeve". I also intend to cover the fuel pump with Northern Ohio Foam Products "Microfoil" insulation. I feel this insulation on the pump and fuel line should help keep the fuel cooler on the input side of the Onan electric fuel pump and eliminate the vapor lock problem.
The objective of this big long story is to say that you might try insulating the fuel line going to the Honda and fuel pump.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Honda EV4010 [message #303425 is a reply to message #303413] |
Mon, 11 July 2016 12:18 |
A Hamilto
Messages: 4508
Registered: April 2011
Karma: 39
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Senior Member |
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Ken Burton wrote on Mon, 11 July 2016 00:25... "Top Tier" which guarantees 9% to 11% Craponol. I got about 10 mile down the road and the Onan quit. The temp was 97F. ...It started after that and we made it about 10 more miles before it quit again. We spent the rest of the day with this scenario. ... After we killed about 1.5 hours in an Air Conditioned store..., the Onan started and ran until we got to Branson where it died again. The end result is we were getting vapor lock on the Craponol laced fuel.
...
My solution to this problem will be to cover the incoming fuel line with aviation "fire sleeve". I also intend to cover the fuel pump with Northern Ohio Foam Products "Microfoil" insulation. I feel this insulation on the pump and fuel line should help keep the fuel cooler on the input side of the Onan electric fuel pump and eliminate the vapor lock problem.
The objective of this big long story is to say that you might try insulating the fuel line going to the Honda and fuel pump. That's an interesting thought. A gravity feed test with an outboard motor tank would eliminate that possibility and could lead one to believe it was a fuel line kinked or other delivery problem. If it is vapor lock, and he is looking for a bad fuel pump or plugged/kinked line, he could chase that until the weather oools down.
Put the fuel pump upstream (outside) of the generator compartment. If the fuel is cool enough coming out of the tank to remain a liquid into/through the pump, it will get to the carb in liquid form. If the fuel is so hot coming out of the tank that the lower pressure (vacuum) at the pump inlet vaporizes it (before it even gets to the generator compartment), the only fix that might work is a submerged in-tank pump.
The way I look at it, if it vaporizes in the line between the pump and the carb, when the level in the carb bowl lowers, the needle valve will open and instantly let the line empty of the vapor (which will just get to the combustion chamber and burn) and liquid fuel will immediately fill the carb bowl, allowing the generator to run uninterrupted.
What are the chances that it will vaporize in the line at a rate higher than the engine can burn it? In other words, can so much fuel vaporize in the line that the air fuel ratio is too rich to run?
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| Re: Honda EV4010 [message #303447 is a reply to message #303358] |
Tue, 12 July 2016 07:53 |
jknezek
Messages: 1057
Registered: December 2007
Karma: 5
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Senior Member |
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Well -- got to the root of my Honda EV4010 problem. Oil pressure. The Honda is supposed to run around 42lbs of pressure. When hot under load mine runs closer to 25, so sadly it's not just the sensor. Even with 20W50 in there, I only got it bumped up to around 30. Paul at Pinellas Power thinks it's a carb issue, as my genny seems to throttle down when load is applied. He says this shouldn't happen. Guess I'll be pulling it from the hole to look at the carb. Depressing. Feel this camping season quickly slipping away.
Thanks,
Jeremy Knezek
1976 Glenbrook
Birmingham, AL
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| Re: Honda EV4010 [message #303451 is a reply to message #303358] |
Tue, 12 July 2016 08:38 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Look at the prices for the heathen chinee 4KW set at HF. You need one for the house this winter anyway, buy it now and put it on a trailer hitch platform and go camping while you figure the Hondoo out. Ask an old timer about Casite Motor Honey.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: Honda EV4010 [message #303466 is a reply to message #303463] |
Tue, 12 July 2016 12:51 |
jknezek
Messages: 1057
Registered: December 2007
Karma: 5
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Senior Member |
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A Hamilto wrote on Tue, 12 July 2016 12:54jknezek wrote on Tue, 12 July 2016 07:53Well -- got to the root of my Honda EV4010 problem. Oil pressure. The Honda is supposed to run around 42lbs of pressure. When hot under load mine runs closer to 25, so sadly it's not just the sensor. Even with 20W50 in there, I only got it bumped up to around 30. Paul at Pinellas Power thinks it's a carb issue, as my genny seems to throttle down when load is applied. He says this shouldn't happen. Guess I'll be pulling it from the hole to look at the carb. Depressing. Feel this camping season quickly slipping away. Was that 25 pounds of oil pressure with straight 30W oil? Where you live and plan to use it, straight 30W will be better than any multi-viscosity oil you can put in it, if the pressure gets high enough to run.
10W30 was originally in there. Switched it for the 20W50 on Paul's suggestion just to see if we could get the pressure up to keep the pressure switch from triggering. It only takes 1.25 quarts, so it's not a big deal to switch it out. But neither solves the other problem, so long term it's got to come out and get solved.
Thanks,
Jeremy Knezek
1976 Glenbrook
Birmingham, AL
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