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flying(at)jeffhove.com
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 Posted: Fri Jun 21, 2013 2:27 pm Post subject: Yak-52 pneumatic in-line air filter |
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When I take off the pneumatic system air filter from the Yak-52 firewall
and look into one opening, is it proper to see through to the other side?
It looks like the air has blasted straight through whatever element was
there.
A maintenance manual diagram shows this should have a disk element held
with a spring. Is the element replaceable?
The case has two pairs of dimples or holes around the threaded seam, like
it was staked or has very small drift-pins to prevent unscrewing it. How
do you open it without damage?
The Matronics archives show a lot of discussion about the CJ's desiccant
filter, but not much about the Yak's, and the maintenance documents I've
found don't mention servicing this item.
Blue Skies,
Jeff Hove
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viperdoc(at)mindspring.co
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| Posted: Fri Jun 21, 2013 4:40 pm Post subject: Yak-52 pneumatic in-line air filter |
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It is a throw away. There is a filter screen in the center of that thing along with steel wool looking stuff. It is tough as hell to get it apart. At least mine was. eventually drilled a hole in the center and installed Doug's desiccant filter.
Doc
Sent from my iPad
On Jun 21, 2013, at 5:24 PM, flying(at)jeffhove.com wrote:
| Quote: |
When I take off the pneumatic system air filter from the Yak-52 firewall
and look into one opening, is it proper to see through to the other side?
It looks like the air has blasted straight through whatever element was
there.
A maintenance manual diagram shows this should have a disk element held
with a spring. Is the element replaceable?
The case has two pairs of dimples or holes around the threaded seam, like
it was staked or has very small drift-pins to prevent unscrewing it. How
do you open it without damage?
The Matronics archives show a lot of discussion about the CJ's desiccant
filter, but not much about the Yak's, and the maintenance documents I've
found don't mention servicing this item.
Blue Skies,
Jeff Hove
|
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http://www.matronics.com/Navigator?Yak-List |
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dsavarese0812(at)bellsout
Guest
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| Posted: Sat Jun 22, 2013 7:04 am Post subject: Yak-52 pneumatic in-line air filter |
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No, it is impossible to see through the other side.
The best thing to do is use the original filter as a B nut adapter and install Doug Sapp's SS filter. I provided Doug installation instructions to install it on a Yak 52. Drill out the old filter, flush it out thoroughly and reinstall it. Then follow the instructions to fabricate the hoses. Mount the filter with 4 Adel clamps on the upper engine mount arm above the large air-oil separator.
I you can't find the installation drawing, email me off list and I will send it to you.
Dennis
dsavarese0812(at)bellsouth.net.
From: "flying(at)jeffhove.com" <flying(at)jeffhove.com>
To: yak-list(at)matronics.com
Sent: Friday, June 21, 2013 5:24 PM
Subject: Yak-52 pneumatic in-line air filter
--> Yak-List message posted by: flying(at)jeffhove.com (flying(at)jeffhove.com)
When I take off the pneumatic system air filter from the Yak-52 firewall
and look into one opening, is it proper to see through to the other side?
It looks like the air has blasted straight through whatever element was
there.
A maintenance manual diagram shows this should have a disk element held
with a spring. Is the element replaceable?
The case has two pairs of dimples or holes around the threaded seam, like
it was staked or has very small drift-pins to prevent unscrewing it. How
do you open it without damage?
The Matronics archives show a lot of discussion about the CJ's desiccant
filter, but not much about the Yak's, and the maintenance documents I've
found don't mention servicing this item.
Blue Skies,
Jeff Hove
ref="http://www.matronics.com/Navigator?Yak-List" "http://forums.matronics.com/" target="_blank">http://forums.matronics.cosp; -nics.com/contribution" target="_blank">http://www.matronics.com/contribut===============
[quote][b]
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