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Air system lubrication CJ

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bipolar

Joined: 16 Apr 2011
Posts: 9
Location: Canada

Posted: Thu Apr 25, 2013 1:04 pm Post subject: Air system lubrication CJ

Good day all

Would anyone be able to confirm for me the ratio of glycerin to alcohol and the best place to introduce said mix into the system?

Last couple of little jobs and since spring is sort of here would love to get flying her

Bipolar

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byronmfox(at)gmail.com
Guest

Posted: Thu Apr 25, 2013 6:42 pm Post subject: Air system lubrication CJ

Doug Sapp recommends castor oil. I've been using it with great success.



Blitz Fox

415-307-2405



On Apr 25, 2013, at 2:04 PM, "bipolar" <bushrat(at)telus.net> wrote:



 	  Quote: 	
		   

 

 Good day all

 Would anyone be able to confirm for me the ratio of glycerin to alcohol and the best place to introduce said mix into the system?

 Last couple of little jobs and since spring is sort of here would love to get flying her

 Bipolar

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=399387#399387

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viperdoc(at)mindspring.co
Guest

Posted: Thu Apr 25, 2013 8:13 pm Post subject: Air system lubrication CJ

You have a regular system, huh?

Doc



Sent from my iPad



On Apr 25, 2013, at 9:40 PM, Byron Fox <byronmfox(at)gmail.com> wrote:



 	  Quote: 	
		   

 

 Doug Sapp recommends castor oil. I've been using it with great success.

 

 Blitz Fox

 415-307-2405

 

 On Apr 25, 2013, at 2:04 PM, "bipolar" <bushrat(at)telus.net> wrote:

 

> 

> 

> Good day all

> Would anyone be able to confirm for me the ratio of glycerin to alcohol and the best place to introduce said mix into the system?

> Last couple of little jobs and since spring is sort of here would love to get flying her

> Bipolar

> 

> 

> 

> 

> Read this topic online here:

> 

> http://forums.matronics.com/viewtopic.php?p=399387#399387

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Harv

Joined: 01 Jul 2010
Posts: 172

Posted: Fri Apr 26, 2013 12:31 am Post subject: Re: Air system lubrication CJ

The CJ6 manual mentions 'Castor Oil' quite alot for lubricating seals in the air valves, etc. so as Doug says 



Methylated spirits and glycerin mixed 50/50% works too for other people I've spoken too.



I'd break the pipe joint where the air compressor line joins into the system on the engine firewall and put a small amount in there.



You need to be very careful what fluids you inject into these systems, if the seals are old and decide they don't like what you use the impending reaction can degrade them and you'll be rebuilding gear actuators etc etc (Not nice)!



Rgs

Harv

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bipolar

Joined: 16 Apr 2011
Posts: 9
Location: Canada

Posted: Fri Apr 26, 2013 5:48 am Post subject: Re: Air system lubrication CJ

Basically a stock system with the SS mods added

Thanks guys



Bipolar

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jetjockey

Joined: 12 Dec 2006
Posts: 31
Location: Granbury, Texas

Posted: Fri Apr 26, 2013 6:29 am Post subject: Re: Air system lubrication CJ

Article 105 from the CJ6 Maintenance Manual clearly states:  "Replenish 5-10 gr. of castor oil or No. 8 aviation lubricating oil into each retraction cylinder THROUGH THE NIPPLES OF THE CYLINDER RETRACTION AND EXTENSION PIPES AND 3-5 grams of castor oil or No. 8 aviation lubricating oil into each of the uplock hook cylinders THROUGH ITS NIPPLE."



Adding lubricant at a point right after the compressor will have little or no effect on the landing gear and uplock release actuators and will actually have a  VERY NEGATIVE effect on your pneumatic system as it will unnecessarily contaminate your system filter by saturating the felt filters with lubricant and coating the desiccant with oil, rendering it ineffective.

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Harv

Joined: 01 Jul 2010
Posts: 172

Posted: Fri Apr 26, 2013 10:56 am Post subject: Re: Air system lubrication CJ

Guys

Sorry misunderstood what your trying to lubricate, so be careful what you inject and where you inject it!



Been having issues with my firewall check valves (worn seals and rusty springs).

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