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Servicing Landing gear

 
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havard.dale(at)yaknorway.
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PostPosted: Sat May 31, 2008 11:19 pm    Post subject: Servicing Landing gear Reply with quote

Hi,

Could someone help me with instructions on servicing Landing gear struts?

Havard


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skidmk



Joined: 19 Nov 2007
Posts: 171
Location: Ottawa, Ontario

PostPosted: Sun Jun 01, 2008 6:27 am    Post subject: Re: Servicing Landing gear Reply with quote

With the aircraft up on jacks, the fillers removed (0 pressure in struts) and the strut is pushed all the way up in the gear leg (use a second jack if needed to push the strut up to the stops. Next the fluid is added until it comes out of the hole, the filler valve is replaced, (remove 2nd jack)and air added to 668 to 697 psi . Strut will now extend to it's max extention (try not to let it slam down to the stops). Use soapy water on oleo in seal area and filler valve on crush seal and inner valve to check for leaks.

I got this from Doug Sapp,, as I'm doing mine as well.

Mike


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Mike "Skidmk" Bourget
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pa3arw(at)euronet.nl
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PostPosted: Sun Jun 01, 2008 12:40 pm    Post subject: Servicing Landing gear Reply with quote

If possible use nitrogen rather than air, it’s a lot better than air...

Hans
Dutch Yak Pilot

-----Oorspronkelijk bericht-----
Van: owner-yak-list-server(at)matronics.com
[mailto:owner-yak-list-server(at)matronics.com] Namens Håvard Dale
Verzonden: zondag 1 juni 2008 22:28
Aan: yak-list(at)matronics.com
Onderwerp: SV: Re: Servicing Landing gear


<havard.dale(at)yaknorway.com>

Thanks,

What kind of fluid to use? How do you drain the old fluid?

Havard

-----Opprinnelig melding-----
Fra: owner-yak-list-server(at)matronics.com
[mailto:owner-yak-list-server(at)matronics.com] På vegne av skidmk
Sendt: 1. juni 2008 16:28
Til: yak-list(at)matronics.com
Emne: Re: Servicing Landing gear



With the aircraft up on jacks, the fillers removed (0 pressure in struts)
and the strut is pushed all the way up in the gear leg (use a second jack if
needed to push the strut up to the stops. Next the fluid is added until it
comes out of the hole, the filler valve is replaced, (remove 2nd jack)and
air added to 668 to 697 psi . Strut will now extend to it's max extention
(try not to let it slam down to the stops). Use soapy water on oleo in
seal area and filler valve on crush seal and inner valve to check for leaks.

I got this from Doug Sapp,, as I'm doing mine as well.

Mike

--------
Mike &quot;Skidmk&quot; Bourget
Ottawa, Ontario


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dsavarese(at)elmore.rr.co
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PostPosted: Sun Jun 01, 2008 2:20 pm    Post subject: Servicing Landing gear Reply with quote

Definitely use Nitrogen when pressurizing struts.
Dennis

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talew(at)bellsouth.net
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PostPosted: Sun Jun 01, 2008 3:15 pm    Post subject: Servicing Landing gear Reply with quote

I also would like to know the type of fluid to use to service the strut.
Thanks,
Terry Lewis
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wlannon(at)persona.ca
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PostPosted: Sun Jun 01, 2008 8:01 pm    Post subject: Servicing Landing gear Reply with quote

Hydraulic fluid to Military Standard MIL-PRF-5606H.

Aeroshell Fluid 41, Phillips X/C MIL-PRF-5606H and others. Available from
all aviation product suppliers (Aircraft Spruce, etc.)

Walt
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talew(at)bellsouth.net
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PostPosted: Mon Jun 02, 2008 5:35 am    Post subject: Servicing Landing gear Reply with quote

Thanks Walt.
Terry
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