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cgroote1(at)yahoo.com
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 Posted: Wed May 30, 2012 6:31 am Post subject: fuel filter inspection |
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How often does one actually physically remove the fuel filter for inspection?
[quote][b]
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partner14
Joined: 12 Jan 2008
Posts: 540
Location: Granbury Texas
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| Posted: Wed May 30, 2012 6:53 am Post subject: fuel filter inspection |
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If you talk to the mfg, they will tell you that it takes so much crap to actually clog the filter... you take it from there...... also,,,,, I have heard say that probably the most important "year", is the first year... due to the building process.... personally, my first inspection revealed only a very small amount of debris.Don
From: curtis groote <cgroote1(at)yahoo.com>
To: "rv10-list(at)matronics.com" <rv10-list(at)matronics.com>
Sent: Wednesday, May 30, 2012 9:28 AM
Subject: fuel filter inspection
How often does one actually physically remove the fuel filter for inspection?
[quote]
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rene(at)felker.com
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| Posted: Wed May 30, 2012 7:00 am Post subject: fuel filter inspection |
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I did it the first two inspections……With about 50 hours or so run time…..first year, there was something to clean out, second year no much. So I skipped a year….4th year (little over 100 hours run time). Filter was still clean. In my inspection guide I am changing the frequency to every two years or > than 100 hours.
Rene' Felker
N423CF
801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of curtis groote
Sent: Wednesday, May 30, 2012 8:29 AM
To: rv10-list(at)matronics.com
Subject: fuel filter inspection
How often does one actually physically remove the fuel filter for inspection?
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01234567
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dave.saylor.aircrafters(a
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| Posted: Wed May 30, 2012 7:17 am Post subject: fuel filter inspection |
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Clean the main fuel filter annually, and more often if you fly much
more than 100 hours/year.
It probably won't show much dirt from year to year, but it's a mistake
to assume the build-up is proportional to time. What you're looking
for is a big slug of something that got into the fuel tank somehow.
That could come from a fuel pump or truck at any time, maybe right
after the last time you cleaned the filter.
Remember, there's a second filter in the fuel servo, too!
Dave Saylor
831-750-0284 CL
On Wed, May 30, 2012 at 7:28 AM, curtis groote <cgroote1(at)yahoo.com> wrote:
| Quote: | How often does one actually physically remove the fuel filter for
inspection?
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rv10flyer(at)verizon.net
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| Posted: Wed May 30, 2012 7:46 am Post subject: fuel filter inspection |
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I took mine apart after 40 hours and found minor debris, really almost nothing there.
Pascal
From: Don McDonald (building_partner(at)yahoo.com)
Sent: Wednesday, May 30, 2012 7:50 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: fuel filter inspection
If you talk to the mfg, they will tell you that it takes so much crap to actually clog the filter... you take it from there...... also,,,,, I have heard say that probably the most important "year", is the first year... due to the building process.... personally, my first inspection revealed only a very small amount of debris.Don
From: curtis groote <cgroote1(at)yahoo.com>
To: "rv10-list(at)matronics.com" <rv10-list(at)matronics.com>
Sent: Wednesday, May 30, 2012 9:28 AM
Subject: fuel filter inspection
How often does one actually physically remove the fuel filter for inspection?
[quote]
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[b]
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dlm34077(at)q.com
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| Posted: Wed May 30, 2012 8:03 am Post subject: fuel filter inspection |
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I suspect a lot depends on how well the builder flushes the tanks prior to use. I flushed multiple times before use and found a few small grains at 300 hours in the filter ; I also found a couple of aluminum
fragments that clogged the fuel sump drain at about 500 hours..
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Rene Felker
Sent: Wednesday, May 30, 2012 7:59 AM
To: rv10-list(at)matronics.com
Subject: RE: fuel filter inspection
I did it the first two inspections……With about 50 hours or so run time…..first year, there was something to clean out, second year no much. So I skipped a year….4th year (little over 100 hours run time). Filter was still clean. In my inspection guide I am changing the frequency to every two years or > than 100 hours.
Rene' Felker
N423CF
801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of curtis groote
Sent: Wednesday, May 30, 2012 8:29 AM
To: rv10-list(at)matronics.com
Subject: fuel filter inspection
How often does one actually physically remove the fuel filter for inspection?
| Quote: | | http://www.matronics.com/Navigator?RV10-List |
01234567
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jesse(at)saintaviation.co
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| Posted: Wed May 30, 2012 8:25 am Post subject: fuel filter inspection |
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A big slug would be caught by the finger strainer in the tank if it even made it to the wing root. If you are getting leaking tank sumps, that is an indication that there is crud in the bottom of the tank. If you are getting a lot of that, then the filter probably is getting more debris than normal. As was mentioned, Airflow Performance has said that it would be very hard to clog their filter. I check them periodically, but not every year. The most I have ever found in one was a little bit of "lint".
do not archive
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com
C: 352-427-0285
F: 815-377-3694
On May 30, 2012, at 11:15 AM, Dave Saylor wrote:
| Quote: |
Clean the main fuel filter annually, and more often if you fly much
more than 100 hours/year.
It probably won't show much dirt from year to year, but it's a mistake
to assume the build-up is proportional to time. What you're looking
for is a big slug of something that got into the fuel tank somehow.
That could come from a fuel pump or truck at any time, maybe right
after the last time you cleaned the filter.
Remember, there's a second filter in the fuel servo, too!
Dave Saylor
831-750-0284 CL
On Wed, May 30, 2012 at 7:28 AM, curtis groote <cgroote1(at)yahoo.com> wrote:
> How often does one actually physically remove the fuel filter for
> inspection?
>
>
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sean(at)stephensville.com
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| Posted: Wed May 30, 2012 8:36 am Post subject: fuel filter inspection |
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What is the preferred method of flushing the tanks?
On 5/30/12 11:01 AM, DLM wrote:
| Quote: | I suspect a lot depends on how well the builder flushes the tanks
prior to use. I flushed multiple times before use and found a few
small grains at 300 hours in the filter ; I also found a couple of
aluminum
fragments that clogged the fuel sump drainat about 500 hours..
------------------------------------------------------------------------
*From:* owner-rv10-list-server(at)matronics.com
[mailto:owner-rv10-list-server(at)matronics.com] *On Behalf Of *Rene Felker
*Sent:* Wednesday, May 30, 2012 7:59 AM
*To:* rv10-list(at)matronics.com
*Subject:* RE: fuel filter inspection
I did it the first two inspections……With about 50 hours or so run
time…..first year, there was something to clean out, second year no
much. So I skipped a year….4^th year (little over 100 hours run time).
Filter was still clean. In my inspection guide I am changing the
frequency to every two years or > than 100 hours.
Rene' Felker
N423CF
801-721-6080
*From:*owner-rv10-list-server(at)matronics.com
[mailto:owner-rv10-list-server(at)matronics.com] *On Behalf Of *curtis groote
*Sent:* Wednesday, May 30, 2012 8:29 AM
*To:* rv10-list(at)matronics.com
*Subject:* fuel filter inspection
How often does one actually physically remove the fuel filter for
inspection?
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Strasnuts
Joined: 10 Feb 2009
Posts: 502
Location: Salt Lake City, UT
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| Posted: Wed May 30, 2012 8:42 am Post subject: fuel filter inspection |
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My first check was at annual at 200
hours. Only a small amount of lint and a couple of tiny proseal particles. I will check every annual for piece of mind.
Sent from my iPhone
On May 30, 2012, at 10:22, Jesse Saint <jesse(at)saintaviation.com> wrote:
| Quote: |
A big slug would be caught by the finger strainer in the tank if it even made it to the wing root. If you are getting leaking tank sumps, that is an indication that there is crud in the bottom of the tank. If you are getting a lot of that, then the filter probably is getting more debris than normal. As was mentioned, Airflow Performance has said that it would be very hard to clog their filter. I check them periodically, but not every year. The most I have ever found in one was a little bit of "lint".
do not archive
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com
C: 352-427-0285
F: 815-377-3694
On May 30, 2012, at 11:15 AM, Dave Saylor wrote:
>
>
> Clean the main fuel filter annually, and more often if you fly much
> more than 100 hours/year.
>
> It probably won't show much dirt from year to year, but it's a mistake
> to assume the build-up is proportional to time. What you're looking
> for is a big slug of something that got into the fuel tank somehow.
> That could come from a fuel pump or truck at any time, maybe right
> after the last time you cleaned the filter.
>
> Remember, there's a second filter in the fuel servo, too!
>
> Dave Saylor
> 831-750-0284 CL
>
>
> On Wed, May 30, 2012 at 7:28 AM, curtis groote <cgroote1(at)yahoo.com> wrote:
>> How often does one actually physically remove the fuel filter for
>> inspection?
>>
>>
>
>
>
>
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_________________
40936
RV-10 SB N801VR Flying
780 Hours
SuperSTOL 60 hours |
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dlm34077(at)q.com
Guest
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| Posted: Wed May 30, 2012 9:10 am Post subject: fuel filter inspection |
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I used half mineral oil and half aviation gas; five gallons sloshed multiple
times into each and drained through the open tank sump hole. Found numerous
bits of proseal from QB tanks. Even that did not get it all; also found
aluminum shavings which caused the fuel sump to stick open and leak. It was
not the O-ring but two small aluminum chips holding the valve partially
open. Recommend getting an additional fuel sump valve and O-rings to carry
along, since you never know when leak will occur and for what reason. I
carry two already O-ringed and fuel lubed to install should a leak occur. It
is pretty tough to change one if you do not have a spare. They are just
swapped on the fly and you lose a few ounces of gas. Have the new valve and
1/2" wrench ready.
--
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ddddsp1(at)juno.com
Guest
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| Posted: Wed May 30, 2012 1:11 pm Post subject: fuel filter inspection |
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Couple of things to keep in mind. First, it only takes a few ounces of bad gas/contaminant to restrict your flow. Your motor will run rough or not at all. Seldom will it plug and let no gas thru.
Second, you only have one filter for both tanks, so when the filter restricts flow from right tank, switching to the left will not help. That begs the question..........has anyone put in two filters? One in right tank feed line and one in the left tank feed line..........maybe in wing root and eliminate the one in the tunnel. This would truly give you backup fuel flow if one filter was restricted.
Also, DO not trust your eyes to verify filter is clean. We had a plane on the field that landed with symptoms of fuel starvation. They looked at the filter SS mesh 70 micron and it was clean. It had been cleaned/inspected 20 hours earlier. Yet when then did a flow test it was only 45% of normal flow rate. After putting in a new filter, pressure and flow were perfect.
Moral of checking/changing fuel filter: Fan on plane not run well with no/low fuel flow!
Just my 2cents,
Dean
Fly safe!
____________________________________________________________
53 Year Old Mom Looks 33
The Stunning Results of Her Wrinkle Trick Has Botox Doctors Worried
http://thirdpartyoffers.juno.com/TGL3131/4fc68c31ad7d7a843e3st05vuc
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pilotdds(at)aol.com
Guest
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| Posted: Wed May 30, 2012 1:24 pm Post subject: fuel filter inspection |
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I used two filters one under each seat to hard to get to deep tunnel recesses
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flysrv10(at)gmail.com
Guest
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| Posted: Wed May 30, 2012 1:27 pm Post subject: fuel filter inspection |
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Prior to first flight, I completely filled up one tank with 5 gal jugs of car gas Then drained the tank into the jugs with an inline glass filter connected to the drain port with a hose. I then used the filtered fuel in the other tank. Found proseal and minor stuff. I then used the filtered gas in my cars.
Do not archive
Do not archive.
Rob Kermanj
Sent from my iPad
On May 30, 2012, at 12:35 PM, Sean Stephens <sean(at)stephensville.com> wrote:
| Quote: |
What is the preferred method of flushing the tanks?
On 5/30/12 11:01 AM, DLM wrote:
> I suspect a lot depends on how well the builder flushes the tanks prior to use. I flushed multiple times before use and found a few small grains at 300 hours in the filter ; I also found a couple of aluminum
> fragments that clogged the fuel sump drainat about 500 hours..
> ------------------------------------------------------------------------
> *From:* owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] *On Behalf Of *Rene Felker
> *Sent:* Wednesday, May 30, 2012 7:59 AM
> *To:* rv10-list(at)matronics.com
> *Subject:* RE: fuel filter inspection
>
> I did it the first two inspections……With about 50 hours or so run time…..first year, there was something to clean out, second year no much. So I skipped a year….4^th year (little over 100 hours run time). Filter was still clean. In my inspection guide I am changing the frequency to every two years or > than 100 hours.
>
> Rene' Felker
>
> N423CF
>
> 801-721-6080
>
> *From:*owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] *On Behalf Of *curtis groote
> *Sent:* Wednesday, May 30, 2012 8:29 AM
> *To:* rv10-list(at)matronics.com
> *Subject:* fuel filter inspection
>
> How often does one actually physically remove the fuel filter for inspection?
>
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rnewman(at)tcwtech.com
Guest
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| Posted: Wed May 30, 2012 5:22 pm Post subject: fuel filter inspection |
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I used two filters for the fuel system, one at each wing root. I can inspect and clean them by removing the wing root covers. (which takes all of 10 minutes)
I used the andair gas filter/collators, however I decided to NOT put in sump-able drains, but rather plug the bottom fitting. I wanted no chance of ever drawing air in since this part would be in vacuum with respect to outside air pressure, therefore, sucking air means no fuel flow.
So far so good. and no need to work inside the tunnel on a regular basis.
Regarding cleaning, we have the same filter on our glastar (13 years now), it gets cleaned at every annual condition inspection.
Here is a link to pictures in my picasa album with the pictures.
https://picasaweb.google.com/lh/photo/30eqPlZJYV9kbhKtAZr5D9MTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/DdM_Qnx2tIXgNyCIg3bspdMTjNZETYmyPJy0liipFm0?feat=directlink
Bob Newman
N541RV
[quote][b]
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Wed May 30, 2012 6:05 pm Post subject: fuel filter inspection |
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Properly vented your tanks should always be at very close to atmospheric
pressure, with any drain point at positive pressure for the head of fuel
over it. Thus a vacuum would only occur if the vent became plugged some
how.
On 5/30/2012 6:20 PM, bob-tcw wrote:
-----
No virus found in this message.
Checked by AVG - www.avg.com
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Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
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carl.froehlich(at)verizon
Guest
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| Posted: Thu May 31, 2012 2:57 am Post subject: fuel filter inspection |
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Bob,
Please consider the aspect that unless the gas collators are physically located below the lowest point of the fuel tank (for the RV-10 this means below the wing in the breeze), they will not provide a means to remove water from the fuel tank. Collators are not a water separator, they simply provide a place to collect water as gravity lets it find it's lowest level under static, no flow conditions. This is why collators are so popular on high wing aircraft.
By design the fuel tank sumps are located at the lowest point in the tank. Without these sumps you have no means of draining water from the tanks - until of course the collected water builds to the point of being picked up in the fuel suction. Again, the collators are not water separators. Any water picked up in the fuel suction will simply pass through the collator to the engine.
Carl
RV-8A (800 hrs)
RV-10 (4 hrs)
On May 30, 2012, at 9:20 PM, "bob-tcw" <rnewman(at)tcwtech.com (rnewman(at)tcwtech.com)> wrote:
[quote] I used two filters for the fuel system, one at each wing root. I can inspect and clean them by removing the wing root covers. (which takes all of 10 minutes)
I used the andair gas filter/collators, however I decided to NOT put in sump-able drains, but rather plug the bottom fitting. I wanted no chance of ever drawing air in since this part would be in vacuum with respect to outside air pressure, therefore, sucking air means no fuel flow.
So far so good. and no need to work inside the tunnel on a regular basis.
Regarding cleaning, we have the same filter on our glastar (13 years now), it gets cleaned at every annual condition inspection.
Here is a link to pictures in my picasa album with the pictures.
https://picasaweb.google.com/lh/photo/30eqPlZJYV9kbhKtAZr5D9MTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/DdM_Qnx2tIXgNyCIg3bspdMTjNZETYmyPJy0liipFm0?feat=directlink
Bob Newman
N541RV
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rnewman(at)tcwtech.com
Guest
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| Posted: Thu May 31, 2012 3:19 am Post subject: fuel filter inspection |
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Carl, Thanks for clarifying that point. I have the stock Van’s drain sumps for this exact reason. I chose the Andair filter/collators not for the collator function at all, but because they had a nice mounting means and they have the same micron level filter as recommended by AFP for the fuel injection system. Also, from my experience in the glastar, they are very easy to disassemble and clean without disturbing any of the associated plumbing.
Bob
N541RV
From: Carl Froehlich (carl.froehlich(at)verizon.net)
Sent: Thursday, May 31, 2012 6:56 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: fuel filter inspection
Bob,
Please consider the aspect that unless the gas collators are physically located below the lowest point of the fuel tank (for the RV-10 this means below the wing in the breeze), they will not provide a means to remove water from the fuel tank. Collators are not a water separator, they simply provide a place to collect water as gravity lets it find it's lowest level under static, no flow conditions. This is why collators are so popular on high wing aircraft.
By design the fuel tank sumps are located at the lowest point in the tank. Without these sumps you have no means of draining water from the tanks - until of course the collected water builds to the point of being picked up in the fuel suction. Again, the collators are not water separators. Any water picked up in the fuel suction will simply pass through the collator to the engine.
Carl
RV-8A (800 hrs)
RV-10 (4 hrs)
On May 30, 2012, at 9:20 PM, "bob-tcw" <rnewman(at)tcwtech.com (rnewman(at)tcwtech.com)> wrote:
[quote] I used two filters for the fuel system, one at each wing root. I can inspect and clean them by removing the wing root covers. (which takes all of 10 minutes)
I used the andair gas filter/collators, however I decided to NOT put in sump-able drains, but rather plug the bottom fitting. I wanted no chance of ever drawing air in since this part would be in vacuum with respect to outside air pressure, therefore, sucking air means no fuel flow.
So far so good. and no need to work inside the tunnel on a regular basis.
Regarding cleaning, we have the same filter on our glastar (13 years now), it gets cleaned at every annual condition inspection.
Here is a link to pictures in my picasa album with the pictures.
https://picasaweb.google.com/lh/photo/30eqPlZJYV9kbhKtAZr5D9MTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/DdM_Qnx2tIXgNyCIg3bspdMTjNZETYmyPJy0liipFm0?feat=directlink
Bob Newman
N541RV
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deej(at)deej.net
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| Posted: Thu May 31, 2012 3:21 am Post subject: fuel filter inspection |
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On May 31, 2012, at 6:56 AM, Carl Froehlich <carl.froehlich(at)verizon.net> wrote:
| Quote: | Again, the collators are not water separators. Any water picked up in the fuel suction will simply pass through the collator to the engine.
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Just FYI, the Andair gascolator has a water separator filter built into it that will allow fuel to pass but hold water back. I asked Andair what would happen if the gascolator were to fill with water, would it pass any water in order to allow further fuel to pass, and it will. Looking at the inside of the one I bought, there appears to be a small 1/4 inch "override" screen at the top of the gascolator.
I agree completely with the assessment of the fuel drains in the tank. Bad Idea not to include them.
-Dj
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jrlark
Joined: 03 Jul 2009
Posts: 72
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| Posted: Sat Jun 02, 2012 1:41 pm Post subject: fuel filter inspection |
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As DJ states, the Andair gascolator does collect water, thus the reason us
Canadian builders are required to install it. Having said that type
certified aircraft also have them in Canada. Are they required on TC
aircraft in the US?
Rick
#40956
Southampton, Ont
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Bob Turner
Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA
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| Posted: Mon Jun 11, 2012 7:27 pm Post subject: Re: fuel filter inspection |
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Do people check the screen in the fuel servo? I have the Precision Airmotive EX-5 and their instructions say to clean it "... Only if contamination is suspected...". Not sure how you suspect without looking?
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Bob Turner
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