Today's Message Index:
----------------------
1. 06:23 AM - Re: Valves inspection (Roger Kemp)
2. 11:20 AM - Paperwork Question. (AlaskaChang801)
3. 12:59 PM - Re: Paperwork Question. (Richard Hess)
4. 01:21 PM - Re: Paperwork Question. (AlaskaChang801)
5. 01:46 PM - Re: Sticky valve (Craig Payne)
6. 04:05 PM - Re: Re: Sticky valve (John Cox)
7. 04:28 PM - Oshkosh (Delfin Driver)
8. 05:28 PM - Re: Re: Sticky valve (Roger Kemp)
Message 1
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| Subject: | Re: Valves inspection |
Spot on Brother! If it aint broke dont break it! Your A&P has to much free time
and your annual inspection is going to exorbitant if you clear him hot to do
this.
Doc
Sent from my iPad
> On Jul 18, 2018, at 3:03 PM, Bitterlich, Mark G CIV NAVAIR, WD <mark.bitterlich@navy.mil>
wrote:
>
>
> I was waiting for someone else to reply, but I guess not.
>
> First, the only issue I know regarding "sticking valves" is due to carbon buildup,
and yes it is possible for this to get into the valve guides, but that almost
always impacts the valves not seating properly and is typically found during
a differential compression test, where air leaks through the exhaust valve
into the exhaust pipes and is easy to detect just by listening. Another viable
method is to inspect the valves with a type of borescope or miniature camera,
which today are pretty cheap.
>
> Second, I have never in my life heard of a person suggesting that they remove
the valve springs, which means also removing the valve keeps, which can easily
result in the valve dropping down into the chamber stopping at the piston.
Of course there is always the Indian Rope Trick of stuffing rope through a spark
plug hole into the cylinder to prevent this. So my input is that doing this
at a yearly Conditional Inspection without proof of any problem to begin with
is way way over the top. As far as "removing the valve to clean the shaft",
that means pulling the whole cylinder off. There has been more than one person
that has dropped small parts down into the engine while yanking a cylinder
of an M-14, so my NEXT question would be: "How much actual experience does your
mechanic have on M-14 engines, and how many cylinders (if any) has he ever pulled
off?
>
> I could be totally mistaken, but given what you related in your posting, it sounds
to me as if he is planning on gaining experience .... on your engine.
>
> It is not necessary to remove valve keepers and springs and attempt to judge
valve movement during a Conditional Inspection. It is not called for in any task
manual from the Russians, and is not practiced by any M-14 owner that I am
aware of. I'll leave this for others to chime in on. My offer would be that
a compression test done while the engine is hot will quickly show any carbon
build up on the valve or seat, which normally happens before it makes it's way
into the valve guide. Regardless a borescope will show it in great detail and
should be considered as a first step way before taking apart valves or cylinders.
>
> Mark
>
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of Javier Carrasco Ballesteros
> Sent: Wednesday, July 18, 2018 11:20 AM
> To: yak-list@matronics.com
> Subject: [Non-DoD Source] Yak-List: Valves inspection
>
> Hello everyone,
>
> It is annual inspection for my Yak-55, M-14P.
>
> I have read a lot about the sticky valve issue, and asked the mechanics to check
on them.
>
> He said that he needs to remove the cylinder top covers, remove the spring and
manually move them.
>
> If the stick then he will remove the valve and clean the shaft.
>
> Have any of you done the same procedure, agree/disagree or have any other suggestion
to things to check for while he is at it?
>
> Thanks,
>
> Javier Carrasco
> Yak-55 N5245H
>
>
>
>
>
>
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
10
>
>
>
>
>
>
>
Message 2
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| Subject: | Paperwork Question. |
I'm having a brain fart and can't remember what's required for my Phase 1 & 2 paperwork.
I purchased the plane and obviously have it registered in my name and informed
the local FSDO of my base etc and submitted my Program Letter, but for the life
of me can't remember if there's anything special to do in regards the transfer
of the Phase 1 & 2 paperwork or if it just transfers with the ownership. Is
it necessary to redo the Flight Phase in my name or not. Nothing I've read in
the current letters or at the FAA website lead me to believe I do, but there's
a few references to the previous owner in the current ones and I don't want
to run into snags the first time I get ramp checked.
Thanks for the info in advance.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=481751#481751
Message 3
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| Subject: | Re: Paperwork Question. |
FAA Order 8130.F specifically says the ops limits and A/W cert do not expire. Do
a new program letter to your FSDO identifying the new owner, home base and planned
events for this calendar year. That should be all. Phase 1 is the test
phase. Once its done youre in Phase 2 for the rest of its life unless something
is done that appreciatively changes the aircrafts Flight characteristics.
Richard Hess
C 404-964-4885
> On Jul 19, 2018, at 2:20 PM, AlaskaChang801 <themilnes95@gmail.com> wrote:
>
>
> I'm having a brain fart and can't remember what's required for my Phase 1 & 2
paperwork.
> I purchased the plane and obviously have it registered in my name and informed
the local FSDO of my base etc and submitted my Program Letter, but for the life
of me can't remember if there's anything special to do in regards the transfer
of the Phase 1 & 2 paperwork or if it just transfers with the ownership.
Is it necessary to redo the Flight Phase in my name or not. Nothing I've read
in the current letters or at the FAA website lead me to believe I do, but there's
a few references to the previous owner in the current ones and I don't want
to run into snags the first time I get ramp checked.
>
> Thanks for the info in advance.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=481751#481751
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: Paperwork Question. |
Awesome. Thanks Richard. Couldn't recall the specific details, but didn't think
I had missed such an important detail, but was going through some papers today
and read the Flight test papers and something started to bug me that I had possibly
missed something, but thankfully NOT!.
Rog.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=481754#481754
Message 5
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| Subject: | RE: Sticky valve |
Javier,
If your finger had a hangnail, would your doctor remove the finger for
examination? Either your mechanic works mostly on turbine equipment or your
were wearing your Rolex and Gucci's when you spoke with him. You were
thinking you had a big problem and perhaps he was thinking he was getting a
big payday.
MMO does work, and so does "Mouse oil" and a hammer to unstick an ornery
valve. Wielded in the right hands of course.
Craig Payne
Message 6
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| Subject: | Re: RE: Sticky valve |
John Cox
On Thu, Jul 19, 2018, 15:50 Craig Payne <yakman285@gmail.com> wrote:
> Javier,
>
> If your finger had a hangnail, would your doctor remove the finger for
> examination? Either your mechanic works mostly on turbine equipment or your
> were wearing your Rolex and Gucci's when you spoke with him. You were
> thinking you had a big problem and perhaps he was thinking he was getting a
> big payday.
>
> MMO does work, and so does "Mouse oil" and a hammer to unstick an ornery
> valve. Wielded in the right hands of course.
>
> Craig Payne
>
Message 7
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Looking for a room two beds for monday thru thursday. Must be oshkosh
close in area. Floor Area for sleeping bags might work. Off line .
Willing to pay up. Bob
Message 8
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| Subject: | Re: RE: Sticky valve |
Shack
Sent from my iPad
> On Jul 19, 2018, at 6:04 PM, John Cox <rv10pro@gmail.com> wrote:
>
>
>
> John Cox
>
>> On Thu, Jul 19, 2018, 15:50 Craig Payne <yakman285@gmail.com> wrote:
>> Javier,
>>
>> If your finger had a hangnail, would your doctor remove the finger for ex
amination? Either your mechanic works mostly on turbine equipment or your we
re wearing your Rolex and Gucci's when you spoke with him. You were thinking
you had a big problem and perhaps he was thinking he was getting a big payd
ay.
>>
>> MMO does work, and so does "Mouse oil" and a hammer to unstick an ornery v
alve. Wielded in the right hands of course.
>>
>> Craig Payne
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