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Landing gear actuators

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bmchambers

Joined: 01 Dec 2018
Posts: 7
Location: Memphis, TN

Posted: Sun Feb 09, 2020 4:47 pm Post subject: Landing gear actuators

Annual time and going to pull the actuators and uplocks off for overhaul, Appears calendar time is 7 years per logs. Looking for hints and gotchas for getting them out and back in. Plan to send them to M-14P for overhaul/service. 

Thanks

Bryan

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bmchambers

Joined: 01 Dec 2018
Posts: 7
Location: Memphis, TN

Posted: Sun Feb 09, 2020 4:47 pm Post subject: Re: Landing gear actuators

For the Yak 52.....

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flying(at)jeffhove.com
Guest

Posted: Mon Feb 10, 2020 1:02 pm Post subject: Landing gear actuators

Hello Bryan,



The nose actuator is removed through the right-side fuselage access 

panel.   Seems obvious, but I did a lot of crawling around in the 

cockpit before noticing that panel.



Don't lose the flow restrictors!  They are small, thin, cone-shaped 

metal that fit over the ends of the T-fittings to precisely regulate the 

airflow rate.  They tend to stick to the fittings then fall out at a 

later random time, perhaps when carrying the actuator across the 

hangar.   Very hard to find later if drop.



I think they are only on the normal "Main" pneumatic system side of the 

T-fittings.  The emergency system does not have them, which is why you 

use a special procedure for ground-testing the emergency gear system so 

they don't slam down and cause damage:

http://www.yak-52.com/maintena.htm#Gear%20Retraction%20/%20Extension%20Test%20Procedure



M-14P, Inc. is great.  Incredibly dedicated group.   I took their engine 

class and really appreciate them.



Blue Skies,

Jeff Hove

Yak-52 NX52BS

Saint Paul, MN



On 2/9/2020 6:47 PM, bmchambers wrote:

 	  Quote: 	
		   



 Annual time and going to pull the actuators and uplocks off for overhaul, Appears calendar time is 7 years per logs. Looking for hints and gotchas for getting them out and back in. Plan to send them to M-14P for overhaul/service.

 Thanks

 Bryan





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 http://forums.matronics.com/viewtopic.php?p=494732#494732

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