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Bogie greasing. [message #362804]

Sun, 14 March 2021 12:42

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

So I've got the Murray up on blocks with the wheels off. I gave all the bogie arms a good shake to test for wear. My front driver's side bogie has a bit of movement but the rest are good. I have the bogie pins done soon after getting the coach back in 2008 so I'm hoping to keep them in good shape for a while yet.

I've had bogie greasers since I had the pins done. I tried greasing the bogies today and I can only get grease coming out the outer side of the pins, not the inner side. I moved the bogies up and down while greasing and still only grease at the outside edge from either grease fitting of the bogie greaser setup.

Is there a trick to be sure the grease is getting across the entire pin/bushing assembly? The greaser attempts to put grease further into the pin, but there is nothing stopping it from taking the path if least resistance.

Thanks,

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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Re: Bogie greasing. [message #362807 is a reply to message #362804]

Sun, 14 March 2021 13:58

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

I put my thinking cap on and and flared the end of the bogie greaser so it was a snug fit in the bogie pin. Got grease out the inside of the passenger side pins. Now for the driver's side.

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Re: Bogie greasing. [message #362812 is a reply to message #362804]

Sun, 14 March 2021 16:21

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma: 12

Senior Member

I bought bogie greasers years ago and never installed. Air in a balloon applies force equally throughout the vessel. As long as grease is not hardened at the inner hole, this theory should apply.

John Lebetski
Woodstock, IL
77 Eleganza II

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[GMCnet] Re: Bogie greasing. [message #362816 is a reply to message #362812]

Sun, 14 March 2021 17:19

jimk

Messages: 6734
Registered: July 2006
Location: Belmont, CA

Karma: 9

Senior Member

We have been supplying the one with the flared ends.
It is not perfect as the pins inner holes are never consistent, so when we
inject the grease for the rear section, you will get excess coming
towards the front.
John L is very correct in mentioning the old grease that is inside the pin.
We recommend using a straw and shoving it in all the way then pinch it off
and pull it out as the old grease will come out in the plastic straw.

On Sun, Mar 14, 2021 at 2:21 PM John R. Lebetski
wrote:

> I bought bogie greasers years ago and never installed. Air in a balloon
> applies force equally throughout the vessel. As long as grease is not
> hardened
> at the inner hole, this theory should apply.
> --
> John Lebetski
> Woodstock, IL
> 77 Eleganza II
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>

--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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Re: Bogie greasing. [message #362823 is a reply to message #362812]

Sun, 14 March 2021 20:17

blur911

Messages: 166
Registered: December 2020
Location: Kingston, Ontario

Karma: 4

Senior Member

JohnL455 wrote on Sun, 14 March 2021 16:21

I bought bogie greasers years ago and never installed. Air in a balloon applies force equally throughout the vessel. As long as grease is not hardened at the inner hole, this theory should apply.

Something I'd like to mention about hardened grease. Watch out for mixing greases, a synthetic grease and a clay grease are often incompatible and will cause the clay to harden and ruin bearings.

Someone where I worked once added the wrong grease to a bearing on a 1500hp DC motor, it was not pretty.

https://i.postimg.cc/26Vrr0b1/IMGP2788.jpg

Burl Vibert
Kingston, Ontario
1976 GMC 26 foot, Sheridan reno, don't know original model but we call her Roxie

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Re: Bogie greasing. [message #362824 is a reply to message #362804]

Sun, 14 March 2021 20:44

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

My trick of flaring the tube so it fit snugly in the pin hole worked. It forced the grease out the rear pin hole and I got grease coming out both sides now.

The flare was ~0.325" and I found I had to increase it to 0.337"

I grease my bogie pins before every trip as I am hoping not to need another bogie rebuild in my lifetime!

Thanks

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Re: Bogie greasing. [message #362830 is a reply to message #362824]

Mon, 15 March 2021 11:39

mghamms

Messages: 466
Registered: March 2016
Location: Ware, Massachusetts

Karma: 2

Senior Member

I grease every oil change with molybdenum disulfide grease.

1977 Kingsley 455 as stock as it gets except lots of Ragusa parts

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