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Harv
Joined: 01 Jul 2010
Posts: 172
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 Posted: Thu Feb 16, 2017 1:18 pm Post subject: Cj6 grease nipple fitting |
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Can anyone recommend or steer me to where I can purchase a grease gun fitting that works with the stock Chinese grease nipples as fitted to the main gear and nose legs?
I believe it's a called a button head fitting.
Also what's the best grease to use in there (Aeroshell no?)
Rgs
Harv
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byronmfox(at)gmail.com
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| Posted: Thu Feb 16, 2017 1:29 pm Post subject: Cj6 grease nipple fitting |
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Replace with US grease nipples. They fit.
Blitz Fox415-307-2405
On Feb 16, 2017, at 1:18 PM, Harv <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)> wrote:
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Ernie
Joined: 11 Jan 2006
Posts: 513
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| Posted: Thu Feb 16, 2017 1:44 pm Post subject: Cj6 grease nipple fitting |
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Grainger sells button head fittings and the button head tool.
On Thu, Feb 16, 2017 at 4:29 PM, Byron Fox <byronmfox(at)gmail.com (byronmfox(at)gmail.com)> wrote:
| Quote: | Replace with US grease nipples. They fit.
Blitz Fox[url=tel:(415)%20307-2405]415-307-2405[/url]
On Feb 16, 2017, at 1:18 PM, Harv <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)> wrote:
| Quote: | --> Yak-List message posted by: "Harv" <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)>
Can anyone recommend or steer me to where I can purchase a grease gun fitting that works with the stock Chinese grease nipples as fitted to the main gear and nose legs?
I believe it's a called a button head fitting.
Also what's the best grease to use in there (Aeroshell no?)
Rgs
Harv
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=466286#466286
==========================;Â Â Â Â Â Â Â Â Â Â Â - MATRONI; http://forums.matronics.com
http://wiki.matronics.com
==========================bsp;Â Â Â Â Â Â Â Â - List Contribution Web S;Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -Matt Dralle, List Admin.
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draftsjust417(at)gmail.co
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| Posted: Thu Feb 16, 2017 5:19 pm Post subject: Cj6 grease nipple fitting |
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Hey Harv -
I've had great success using Aeroshell #5 in all my LG fittings.
On my CJ, all the grease fittings have been replaced with western nipple/zerk types (readily avail at my ACE Hardware), and they work very well. However, a word of caution: the uppermost forward grease fitting on the main gear trunnions should stay the low-profile Chinese type.
This trunnion - at least on my CJ6 - has a very close tolerance to the adjacent beefy wheel well mounting bracket, and when the MLG retract, a protruding zerk would strike the expensive bracket.
Western zerk fittings typically have a protruding height of ~1/4-inch, which would definitely shear off during MLG retraction, or worse. All other LG sites tho, western zerks do great for me.
Justin
N280NC
On Thu, Feb 16, 2017 at 4:43 PM, Ernest Martinez <erniel29(at)gmail.com (erniel29(at)gmail.com)> wrote:
| Quote: | Grainger sells button head fittings and the button head tool.
On Thu, Feb 16, 2017 at 4:29 PM, Byron Fox <byronmfox(at)gmail.com (byronmfox(at)gmail.com)> wrote:
| Quote: | Replace with US grease nipples. They fit.
Blitz Fox[url=tel:(415)%20307-2405]415-307-2405[/url]
On Feb 16, 2017, at 1:18 PM, Harv <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)> wrote:
| Quote: | --> Yak-List message posted by: "Harv" <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)>
Can anyone recommend or steer me to where I can purchase a grease gun fitting that works with the stock Chinese grease nipples as fitted to the main gear and nose legs?
I believe it's a called a button head fitting.
Also what's the best grease to use in there (Aeroshell no?)
Rgs
Harv
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=466286#466286
==========================;Â Â Â Â Â Â Â Â Â Â Â - MATRONI; http://forums.matronics.com
http://wiki.matronics.com
==========================bsp;Â Â Â Â Â Â Â Â - List Contribution Web S;Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -Matt Dralle, List Admin.
<========================================================
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romaine_richard(at)yahoo.
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| Posted: Fri Feb 17, 2017 6:49 am Post subject: Cj6 grease nipple fitting |
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I ran out of hands trying to grease the buttons in hard to reach spots that were stubborn to take grease...my solution was to temporarily remove the buttons during greasing. I replaced the buttons with 90 degree fittings, greased them and then reinstalled the buttons. It's not the clean room version of greasing, but at least PITA fittings got new grease.
The time wasted swapping fittings involved less profanity than my experience with the buttons.
Warmer ambient temps also made it easier.
Cheers,
Rich
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Harv
Joined: 01 Jul 2010
Posts: 172
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| Posted: Fri Feb 17, 2017 7:49 am Post subject: Re: Cj6 grease nipple fitting |
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Thanks
I'm happy to stick with the Chinese nipple (ahem) if I can find a fitting
Thanks for recommendation re grease
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ChangDriver
Joined: 15 Sep 2007
Posts: 266
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wlannon(at)shaw.ca
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| Posted: Fri Feb 17, 2017 11:48 am Post subject: Cj6 grease nipple fitting |
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Harv, et al;
I have replaced the Russian/Chinese/Polish grease fittings with Western in
all locations except for two on each MLG.
One of these locations has been identified by Justin Drafts. This one, as
he has noted, is critical. The second is far less obvious. It has been
some
time since I did this so my memory may be suspect but I think this one
required a 45 (or 90?) deg. fitting which would only work in one radial
position
without contacting other structure and could only be detected by hand
swinging the gear with the doors off.
I concluded this could become a problem at a future fitting replacement
without realizing the position was critical and decided to remain stock.
Since I have the original Chinese grease gun it is not a problem. Compared
to the western standard it is far more time consuming but, IMHO, much more
reliable.
Will try to get a photo of that location and post it.
Chang Driver has given a recommendation for Aeroshell Grease 6 which is
probably acceptable for most general applications but is NOT recommended for
wheel bearings. Check out the link he included to the Aeroshell website.
Since I get involved with CJ prop. overhaul on occasion I would not use
Grease 6 there as well. Aeroshell Grease 5 is my recommendation for
everything on the aircraft.
If you can find a Russian, Chinese or Polish grease gun buy one. Much
better than the push type also recommended. Get on to Doug Sapp's case and
tell him to import some.
Cheers;
Walt
--
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rocknpilot(at)hotmail.com
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| Posted: Fri Feb 17, 2017 12:38 pm Post subject: Cj6 grease nipple fitting |
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Been a long week....just the title of this thread is getting me all hot & bothered.
Rico Jaeger
915 S. 11th Ave.
Wausau, WI. 54401
715.529.7426
//
1969 Cessna 150J ^/---//-X
N61333 // Hangar #35 / AUW
//
1992 Yakovlev Yak 52 ^/---//-X
N21YK //
Hangar #21 / AUW
From: owner-yak-list-server(at)matronics.com <owner-yak-list-server(at)matronics.com> on behalf of Walter Lannon <wlannon(at)shaw.ca>
Sent: Friday, February 17, 2017 1:47:24 PM
To: yak-list(at)matronics.com
Subject: Re: Re: Cj6 grease nipple fitting
--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca>
Harv, et al;
I have replaced the Russian/Chinese/Polish grease fittings with Western in
all locations except for two on each MLG.
One of these locations has been identified by Justin Drafts. This one, as
he has noted, is critical. The second is far less obvious. It has been
some
time since I did this so my memory may be suspect but I think this one
required a 45 (or 90?) deg. fitting which would only work in one radial
position
without contacting other structure and could only be detected by hand
swinging the gear with the doors off.
I concluded this could become a problem at a future fitting replacement
without realizing the position was critical and decided to remain stock.
Since I have the original Chinese grease gun it is not a problem. Compared
to the western standard it is far more time consuming but, IMHO, much more
reliable.
Will try to get a photo of that location and post it.
Chang Driver has given a recommendation for Aeroshell Grease 6 which is
probably acceptable for most general applications but is NOT recommended for
wheel bearings. Check out the link he included to the Aeroshell website.
Since I get involved with CJ prop. overhaul on occasion I would not use
Grease 6 there as well. Aeroshell Grease 5 is my recommendation for
everything on the aircraft.
If you can find a Russian, Chinese or Polish grease gun buy one. Much
better than the push type also recommended. Get on to Doug Sapp's case and
tell him to import some.
Cheers;
Walt
--
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wlannon(at)shaw.ca
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| Posted: Fri Feb 17, 2017 8:06 pm Post subject: Cj6 grease nipple fitting |
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More;
Only two (each MLG) not replaced with Western standard.
First photo is the one referenced by Justin. Second location has the
potential for interference in the up cycle if replaced with Western.
May be OK and I can't remember for sure what the actual problem was but
decided better safe than sorry.
Walt
--
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dougsappllc(at)gmail.com
Guest
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| Posted: Fri Feb 17, 2017 9:19 pm Post subject: Cj6 grease nipple fitting |
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Another problem point is on the nose gear bracket, if the threaded (grip length) of the zerk is to long it will bind up the nose gear brass bushing, making steering difficult or impossible.
Doug
On Fri, Feb 17, 2017 at 8:03 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]More;
Only two (each MLG) not replaced with Western standard.
First photo is the one referenced by Justin. Second location has the potential for interference in the up cycle if replaced with Western.
May be OK and I can't remember for sure what the actual problem was but decided better safe than sorry.
Walt
--
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wlannon(at)shaw.ca
Guest
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| Posted: Sat Feb 18, 2017 11:04 am Post subject: Cj6 grease nipple fitting |
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Good point Doug;
I had forgotten about that one. I made new bushings for that but it can also be done by adding a washer.
Walt
From: doug sapp (dougsappllc(at)gmail.com)
Sent: Friday, February 17, 2017 9:18 PM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Re: Cj6 grease nipple fitting
Another problem point is on the nose gear bracket, if the threaded (grip length) of the zerk is to long it will bind up the nose gear brass bushing, making steering difficult or impossible.
Doug
On Fri, Feb 17, 2017 at 8:03 PM, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]More;
Only two (each MLG) not replaced with Western standard.
First photo is the one referenced by Justin. Second location has the potential for interference in the up cycle if replaced with Western.
May be OK and I can't remember for sure what the actual problem was but decided better safe than sorry.
Walt
--
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jblake207(at)comcast.net
Guest
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| Posted: Tue Feb 21, 2017 8:22 am Post subject: Cj6 grease nipple fitting |
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Justin and Blitz are both correct. Replace with Zerk fittings. Ernie mentioned Grainger which is where I bought mine back in 2006 and I also saw them at Harbor Freight yesterday. As to the close tolerance fittings... I leave the Chinese "button head" fittings in place then on servicing, I temporarily screw in a zerk fitting, service it with grease, then replace with the button head fitting. JB
From: "Justin Drafts" <draftsjust417(at)gmail.com>
To: yak-list(at)matronics.com
Sent: Thursday, February 16, 2017 7:19:00 PM
Subject: Re: Cj6 grease nipple fitting
Hey Harv -
I've had great success using Aeroshell #5 in all my LG fittings.
On my CJ, all the grease fittings have been replaced with western nipple/zerk types (readily avail at my ACE Hardware), and they work very well. However, a word of caution: the uppermost forward grease fitting on the main gear trunnions should stay the low-profile Chinese type.
This trunnion - at least on my CJ6 - has a very close tolerance to the adjacent beefy wheel well mounting bracket, and when the MLG retract, a protruding zerk would strike the expensive bracket.
Western zerk fittings typically have a protruding height of ~1/4-inch, which would definitely shear off during MLG retraction, or worse. All other LG sites tho, western zerks do great for me.
Justin
N280NC
On Thu, Feb 16, 2017 at 4:43 PM, Ernest Martinez <erniel29(at)gmail.com (erniel29(at)gmail.com)> wrote:
| Quote: | Grainger sells button head fittings and the button head tool.
On Thu, Feb 16, 2017 at 4:29 PM, Byron Fox <byronmfox(at)gmail.com (byronmfox(at)gmail.com)> wrote:
| Quote: | Replace with US grease nipples. They fit.
Blitz Fox [url=tel:(415)%20307-2405]415-307-2405[/url]
On Feb 16, 2017, at 1:18 PM, Harv <martin.harvey(at)kbr.com (martin.harvey(at)kbr.com)> wrote:
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http://www.matronics.com/Navigator?Yak-List |
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