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kohler gen 7.3 not getting fuel at the carb?

 
 
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Old 08-10-2010, 06:52 AM   #1 (permalink)
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kohler gen 7.3 not getting fuel at the carb?

I had my gen going and she stopped after about 5hrs of running I checked by putting quickstart in the carb it stays running ,I checked voltage at the fuelpump and its there when you try to start,bowl is empty ,shouldnt it pump out fast from line when pump activated ? What could be my problem what goes on these gens would water seperator be problem or would just have water in fuel not no flow? Thankyou
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Old 08-10-2010, 07:24 AM   #2 (permalink)
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Possibly a plugged line or bad filter?
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Old 08-10-2010, 10:48 AM   #3 (permalink)
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I see a water seperator but no filterfor fuel another thing I was thinking was I just got the boat and it has a quarter tank of gas or lower is it possible that it grabs the fuel from a higher level in the tank
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Old 08-10-2010, 12:22 PM   #4 (permalink)
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Quote:
Originally Posted by adambomb
I see a water seperator but no filterfor fuel another thing I was thinking was I just got the boat and it has a quarter tank of gas or lower is it possible that it grabs the fuel from a higher level in the tank
The fuel water seperator is also a filter. Change that. Also, generators always pull fuel from a higher level in the fuel tank and are the first to shut off when the fuel level is low. It is entirely possible that the fuel level is too low in the tanks.
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Old 08-10-2010, 10:46 PM   #5 (permalink)
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Quote:
Originally Posted by Capt J
generators always pull fuel from a higher level in the fuel tank and are the first to shut off when the fuel level is low. It is entirely possible that the fuel level is too low in the tanks.
Let us know what happens after you do this. I tried sending this on my phone, only it did not go through.
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Old 08-11-2010, 02:05 PM   #6 (permalink)
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I have the same genny on my Carver. As stated, swap out the fuel filter/water separator and put fuel in the tank.

After, you can remove the fuel line going into the carb while turning it over to see if fuel comes out the line (keep a jar or something for it to go into).

If you spin the genny over for longer than 45-60 seconds, shut off the raw water intake until it finally fires up. If you don't, it can allow water to get sucked back into the engine and do damage.
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Old 08-11-2010, 07:14 PM   #7 (permalink)
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Originally Posted by Fireman431
I have the same genny on my Carver. As stated, swap out the fuel filter/water separator and put fuel in the tank.

After, you can remove the fuel line going into the carb while turning it over to see if fuel comes out the line (keep a jar or something for it to go into).

If you spin the genny over for longer than 45-60 seconds, shut off the raw water intake until it finally fires up. If you don't, it can allow water to get sucked back into the engine and do damage.
I've never heard of water being sucked back in. BUT, shutting off the raw water intake and cranking the generator for more then a few seconds will fry the impellor for sure
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Old 08-12-2010, 07:54 AM   #8 (permalink)
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Quote:
Originally Posted by Capt J
I've never heard of water being sucked back in. BUT, shutting off the raw water intake and cranking the generator for more then a few seconds will fry the impellor for sure
Actually, it won't as long as there is currently water in the impeller housing.

I wouldn't make this up. This is from page 24 of the Kohler operator's manual:

"Do not crank the engine continuously for more than 7
seconds at a time. Allow a 5-second period between
starting attempts if the engine does not start. If the
engine fails to start after three attempts, contact an
authorized Kohler dealer/distributor for repair. Failure to
follow these guidelines may result in burn-out of the
starter motor from overheating.
If the engine fails to start after the first attempt, close the
seacock before a second start-up attempt. This action
will help prevent seawater from entering the engine
cylinders through the exhaust valve. Once the engine
starts, the seacock must be re-opened to allow passage
of cooling water
."


Here is the link to the SERVICE manual - http://www.marinegenerators.us/kohler/lit/TP5986.PDF
Here is the link to the OWNERS manual - http://dl.owneriq.net/a/a8fdd3f3-736...a86ec68384.pdf
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Old 08-16-2010, 10:01 AM   #9 (permalink)
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Filled tanks up and primed fuel line atnd started right up
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Old 08-16-2010, 10:12 AM   #10 (permalink)
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Glad to hear that low fuel is all it was.

Now go get out on the water!
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