Today's Message Index:
----------------------
1. 08:34 AM - Re: Re: Carb and fuel pump membrane replacement (Mark Pennington)
2. 08:55 AM - Re: Carb and fuel pump membrane replacement (Yakjumper)
3. 09:07 AM - Re: Re: Carb and fuel pump membrane replacement (Mark Pennington)
4. 09:44 AM - Re: Re: Carb and fuel pump membrane replacement (Mark Pennington)
5. 02:55 PM - Re: Carb and fuel pump membrane replacement (1906)
6. 03:04 PM - Re: Re: Carb and fuel pump membrane replacement (Mark Pennington)
Message 1
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| Subject: | Re: Carb and fuel pump membrane replacement |
Thank you for the photos of the membrane showing the "hook". I recently
purchased the two membranes for my carb on my M14P and that is on the
winter maintenance list for 2020.
My membrane did not come with the hook shown in your photos. I assume that
the hook is transferred from the old membrane to the new one.?
I also plan to replace the membrane on the top of the carb as well.
Thanks
Mark Pennington
M14P powered CJ Driver.
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On Tue, Aug 11, 2020 at 1:32 AM Yakjumper <tobias@macnews.de> wrote:
>
> The membrane also seals the carb cover. Its a flat piece of rubber with
> cotton net inside.
> Install it without any stress on the screw holes. Flat and even. Watch for
> the "hook" when installing/removing it.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=497637#497637
>
>
> Attachments:
>
> http://forums.matronics.com//files/carb_973.jpg
> http://forums.matronics.com//files/gaskets_126.jpg
>
>
Message 2
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| Subject: | Re: Carb and fuel pump membrane replacement |
Yes, you do reuse nuts&washers which are in the old membrane. You need a new cotter
pin.
The case cover might be a bit hard (sticky) to remove, pry it only a little. You
need to unhook it from the rest before you can remove it.
Remember the orientation of the hook assembly. The membrane has plenty of holes,
make sure is the right side when installing.
Securing everything with safety wire afterwards is a bit tight & challenging.
I have never seen the second membrane in the carb. Had the carb of my second Yak
O/H at Termikas (was clogged), they told me that there are 2 membranes.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=497646#497646
Message 3
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| Subject: | Re: Carb and fuel pump membrane replacement |
Thank you. I will pay attention as I take the covers off. I will re use
the hook on the old membrane etc.
I will be taking my carb off making it easier to safety wire things. The
top membrane can not be changed with the carb on the plane.
I have attached a photo showing the position of both membranes.
Thanks you again for the info. =F0=9F=91=8D
Mark Pennington
On Tue, Aug 11, 2020 at 12:00 PM Yakjumper <tobias@macnews.de> wrote:
>
>
> Yes, you do reuse nuts&washers which are in the old membrane. You need a
> new cotter pin.
>
> The case cover might be a bit hard (sticky) to remove, pry it only a
> little. You need to unhook it from the rest before you can remove it.
>
> Remember the orientation of the hook assembly. The membrane has plenty of
> holes, make sure is the right side when installing.
>
>
> Securing everything with safety wire afterwards is a bit tight &
> challenging.
>
>
> I have never seen the second membrane in the carb. Had the carb of my
> second Yak O/H at Termikas (was clogged), they told me that there are 2
> membranes.
>
>
> Read this topic online here:
>
>
> http://forums.matronics.com/viewtopic.php?p=497646#497646
>
>
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>
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Message 4
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| Subject: | Re: Carb and fuel pump membrane replacement |
I forgot to give credit for the attached photo.
The photo was sent out by Richard Goode showing the position and what needs
to be removed for each membrane.
Thank you Richard. =F0=9F=91=8D
Mark Pennington
On Tue, Aug 11, 2020 at 12:00 PM Yakjumper <tobias@macnews.de> wrote:
>
>
> Yes, you do reuse nuts&washers which are in the old membrane. You need a
> new cotter pin.
>
> The case cover might be a bit hard (sticky) to remove, pry it only a
> little. You need to unhook it from the rest before you can remove it.
>
> Remember the orientation of the hook assembly. The membrane has plenty of
> holes, make sure is the right side when installing.
>
>
> Securing everything with safety wire afterwards is a bit tight &
> challenging.
>
>
> I have never seen the second membrane in the carb. Had the carb of my
> second Yak O/H at Termikas (was clogged), they told me that there are 2
> membranes.
>
>
> Read this topic online here:
>
>
> http://forums.matronics.com/viewtopic.php?p=497646#497646
>
>
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>
>
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>
>
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>
>
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>
>
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>
>
Message 5
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| Subject: | Re: Carb and fuel pump membrane replacement |
The accelerator pump membrane (carb top) is the one I was confused about and I
do agree that it doesn't look like it can be replaced while the carb is installed.
Richard seems to think otherwise though.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=497664#497664
Message 6
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| Subject: | Re: Carb and fuel pump membrane replacement |
The only way that I see that would be possible is if the nuts were removed
and the studs removed. Slide the top off. ?
Maybe. ?
Open for an education.
Has anyone done this before ?
Mark
On Tue, Aug 11, 2020 at 5:59 PM 1906 <zmadwolf@gmail.com> wrote:
>
>
> The accelerator pump membrane (carb top) is the one I was confused about
> and I do agree that it doesn't look like it can be replaced while the carb
> is installed. Richard seems to think otherwise though.
>
>
> Read this topic online here:
>
>
> http://forums.matronics.com/viewtopic.php?p=497664#497664
>
>
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