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Old 06-20-2015, 10:28 PM   #1
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Generator filter and shut-off valve addition

Read an article recently on the care and feeding of the Onan gas genny. They mentioned adding an extra filter and a shut-off valve as a precaution against having carb problems.
The reason for a shut-off valve is to run the engine until the carb is dry for storage.
I rounded up some parts and installed them yesterday. Cost was around $15 with the clamps, tubing, filter and valve. Very easy and quick installation. I started the genny, it ran ok, checked for leaks and tried out the shut-off valve which did its job. Only problem was that it was not producing any power. After taking a closer look, I had tripped the circuit breaker which is just above the gas line where it exits the enclosure. The breaker toggle looks similar to the toggle on a wall light switch and is easier to trip than a std. circuit breaker.
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Old 06-20-2015, 10:37 PM   #2
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That is a good idea! I think I will do the same.

Would you please let me know we're you got the parts and materials that you used.
Also a picture or two would be nice.

Thanks!
Dave
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Old 06-21-2015, 01:23 AM   #3
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The parts I used were from Autozone, but I think you can get them at most hardware stores and auto parts. I think the package had a Briggs and Stratton name on it. Below is the valve link.
Fuel Shut Off Valve at AutoZone.com - Best Fuel Shut Off Valve Parts for Cars, Trucks & SUVS

You will need a 1/4" inline fuel filter (4) hose clamps and about 8-12" of 1/4" fuel hose.
I have an inline plastic filter, but think I will change it at next oil change to an inline metal filter due to the heat just to be on the safe side.
I will get a couple of pics tomorrow and post.
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Old 06-21-2015, 12:43 PM   #4
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Originally Posted by mcr1010 View Post
The parts I used were from Autozone, but I think you can get them at most hardware stores and auto parts. I think the package had a Briggs and Stratton name on it. Below is the valve link.
Fuel Shut Off Valve at AutoZone.com - Best Fuel Shut Off Valve Parts for Cars, Trucks & SUVS

You will need a 1/4" inline fuel filter (4) hose clamps and about 8-12" of 1/4" fuel hose.
I have an inline plastic filter, but think I will change it at next oil change to an inline metal filter due to the heat just to be on the safe side.
I will get a couple of pics tomorrow and post.
That shutoff valve looks identical to the one that is on my pressure washer, which is powered by a Briggs and Stratton engine.
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Old 06-21-2015, 12:46 PM   #5
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One of the things I have always done for winterization is to use the appropriate amount of Sta-Bil fuel stabilizer for the size of the fuel tank. Put it in the fuel tank during the last fill up of the year and then run the engine and generator lone enough (normally 30 minutes) for the stabilizer to circulate through the system. I haven't had an issue in the 5 years I have used this procedure.

As a note, I do the same with all my power equipment during winter storage prep.
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Old 06-21-2015, 02:55 PM   #6
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Originally Posted by dstankov View Post
One of the things I have always done for winterization is to use the appropriate amount of Sta-Bil fuel stabilizer for the size of the fuel tank. Put it in the fuel tank during the last fill up of the year and then run the engine and generator lone enough (normally 30 minutes) for the stabilizer to circulate through the system. I haven't had an issue in the 5 years I have used this procedure.

As a note, I do the same with all my power equipment during winter storage prep.
Good idea. I mainly wanted to add an easy to access additional filter before the carb and while I was in there, add the shut-off valve for a few more bucks. Below are a couple of pics which don't show much, except the pesky circuit breaker location which is easy to trip when working with the gas hose.


Click image for larger version

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The filter does not show as it is below on foam padding.


Click image for larger version

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Circuit breaker is circled.
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Old 10-31-2015, 01:33 AM   #7
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Originally Posted by dstankov View Post
One of the things I have always done for winterization is to use the appropriate amount of Sta-Bil fuel stabilizer for the size of the fuel tank. Put it in the fuel tank during the last fill up of the year and then run the engine and generator lone enough (normally 30 minutes) for the stabilizer to circulate through the system. I haven't had an issue in the 5 years I have used this procedure.

As a note, I do the same with all my power equipment during winter storage prep.
I agree about the benefits of using a fuel stabilizer when storing gasoline powered equipment. But when storing the lawn mower and pressure washer here in Florida for the summer, the extreme heat tends to cause a problem even for stabilized fuel. Now in addition to adding stabilizer, I run the carburetor dry or drain the float bowl on the pressure washer.

Interesting, our two four wheel vehicles and two motorcycles, all with fuel injection, start and run fine after being stored with fuel stabilizer, and of course there is no easy way to drain the fuel lines.
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Old 10-31-2015, 11:42 PM   #8
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Anytime I anticipate not running the motor home for an extended period, I fill it with ethanol free fuel and the appropriate amount of fuel stabilizer.

The fuel cut off for the generator is a good idea.

Bruce
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Old 10-31-2015, 11:53 PM   #9
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Originally Posted by mcr1010 View Post
Good idea. I mainly wanted to add an easy to access additional filter before the carb and while I was in there, add the shut-off valve for a few more bucks. Below are a couple of pics which don't show much, except the pesky circuit breaker location which is easy to trip when working with the gas hose.


Attachment 556
The filter does not show as it is below on foam padding.


Attachment 557

Circuit breaker is circled.
Have you run the generator under a heavy load with the fuel shut off valve and fuel filter? What is the size of your generator? I wonder if the shut off will allow enough fuel flow for high demand situations? If your generator works well with the filter and shut off, I will do the same to mine. Thanks for posting the information.
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Old 11-01-2015, 10:59 AM   #10
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IIRC, there is enough fuel flow with the valve and filter inline to run our AC with the gen. during our last trip.
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Old 11-01-2015, 11:03 AM   #11
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Sounds good. Another project for me, thanks.
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