WheelBearingpacking tool

Home Forums Post Viet-Nam to Desert Storm Vehicles The Deuce JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Grease packingin hub, good practice or waste of grease Thread starter Tackettr Start date Jul 23, 2008 ••• More options Who Replied? Jul 23, 2008 #1 Tackettr Member 287 1 16 Location Edmond/OK When you lubricate the wheel bearings should you fill the void area in the hub between the bearings with grease as much as possible? My grandfather always did it that way and I never questioned the practice. There is no mention of this in the TMs that I have found, just pack the bearings and put them in. Man, I'm wearing out the board this morning!!   Jul 23, 2008 #2 ironhorsethegeneral New member 709 11 0 Location Acworth, GA No you do not fill the void with grease. Grase bearings real good that is all you need.   Jul 23, 2008 #3 Jones Well-known member 2,237 83 48 Location Sacramento, California Packing the space between the bearings won't necessarily make that grease travel to the bearings. iI've never done it and haven't had any bearing failures so far. The trick is to get grease throughout the rollers and to do this you either need to force it in with a special bearing packing tool, or use a trick most old mechanics use. Get a handful of grease and, holding the bearing in the other hand (like you'd hold a donut or hamburger), mash and drag the roller face through the handful of grease. Turn to a dry section and repeat. This forces grease into the voids between the rollers, not just on the outer surface of the bearing. Repeat 'til you've gone around the entire bearing. Done right you'll see grease ooze out the inner and outer edges of the roller cage. Any excess grease will continually re-distribute itself while driving.   Jul 23, 2008 #4 gringeltaube Staff Member Super Moderator Moderator Steel Soldiers Supporter 6,996 2,575 113 Location Montevideo/Uruguay Old mechanics rule: fill the hub to the edge of bearing caps and "pack" the bearing cones completely, like Jones very well described above.   Attachments front_axle_hub_and_bearings_008_small_235.jpg 42.2 KB Views: 441 front_axle_hub_and_bearings_012_small_202.jpg 37.3 KB Views: 443 Jul 23, 2008 #5 Tackettr Member 287 1 16 Location Edmond/OK Fill hub Scoreboard: 2 No 1 Yes I guess, even if it never makes it to the bearing it still fills a void to help keep out oil, water, ect.???? Mine is already packed so I won't be taking it out. However, I'm concerned I didn't pack the bearings well enough so I'll be re-doing them tonight. - PS: Great pictures!!!   Jul 23, 2008 #6 Boatcarpenter New member 1,877 17 0 Location Marlborough, NH You can always count on Gerhard for great pictures, drawings, measurements and detailed technical advice etc. Always well thought out and studied. Great asset you are to the hobby and the forum Gerhard. Thanks, BC   Jul 23, 2008 #7 yellobronc New member 665 3 0 Location Santa Maria, (Central Coast) California Hands will hurt if you do allthe hubs at once.... Get a bearing packer or something similar to below. They are cheap at your local parts house. Just make sure the dia. is big enough to cover the entire bearing with some excess, it will make it much easier. Looking on the net, many offroad sites recommend filling the hub as well. I guess it couldnt hurt to fill the void, good place to put the extra half gallon of grease I ended up with. I didnt fill my hubs this time but I might next time.   Attachments bearing_packing_tool_207.jpg 32.6 KB Views: 386 Jul 23, 2008 #8 Floridianson Well-known member Steel Soldiers Supporter 7,409 2,503 113 Location Interlachen Fl. Make that 2 to 2. Always have loaded the trough and always will.   Jul 23, 2008 #9 C CGarbee Well-known member 2,473 562 113 Location Raleigh, NC I don't fill the entire hub, lots of extra weight and expense and you will still get water/oil in if it gets past the seals... I do, however, take and smear a light coat of grease on the entire inside surface of the hub as a rust preventative...   Jul 23, 2008 #10 jimm1009 Well-known member 1,165 71 48 Location Louisville, KY On this subject, the L.O. datd April 1983 states to use GAA, Grease, Auto & Artilillery, MIL-G-10924. I've been doing an internet search of Mil-Spec lubricants and the manufacturers seem somewhat reluctant to publish this information which would be an additional selling point for them I would think. What is the general brand name that most use that would meet or exceed this spec? Jim   Jul 23, 2008 #11 Floridianson Well-known member Steel Soldiers Supporter 7,409 2,503 113 Location Interlachen Fl. I use Chevron Delo EP2   Jul 23, 2008 #12 1956_4x4 New member 368 0 0 Location Crestview, Florida Filling the hub hurts nothing, it also doesn't help anything. Only the bearings are greased from the factory. I'd say that if we start getting a hub hot enough to liquify the grease so that it flows out of the bearings into the hub, we have other problems... That being said, I did repack the bearings on a payscraper that had some of steel shot accidently left in the hub during the manufacturing process. The shot was used after the hub was cast and about two ounces was still in the hub when it was painted. The paint held it in place and just a few pellets had worked free by the first scheduled bearing repack (3 years later...). I'd have to say that in this case some grease in the hub would have kept that shot in place forever... Smitty   Jul 23, 2008 #13 jimm1009 Well-known member 1,165 71 48 Location Louisville, KY Hello again fellow MVers. I just found this web site and some information that I extracted on GAA grease. It seems that it was superseded somewhere after 1983 for many uses. It looks like a moisture content problem and of course newer technology came along too. I will do more reading but I thought that you would like to see this too. Link first and then excerpt below. Regards, Jim http://fastt.navsea.navy.daps.dla.mil/frames/rec_9.htm Substitute grease for AGE wheel bearings Aerospace Ground Equipment (AGE) is brought into the shops once each year for periodic maintenance inspection. During this maintenance the wheel bearings are checked. Some activities are using MIL-G-10924 grease, which was a railway grease used by the Army. A problem with this grease is that water is trapped in the grease around the bearings causing over half of the bearing to fail annually due to corrosion. This MIL Spec has been cancelled. FASTT found that the recommended grease is MIL-G-23827 or MIL-G-81322. The MIL-G-81322 is also listed in the Technical Order for some of the equipment. This is a better grease to lube the bearings and repel water. The NSN for a 6.5lb can of MIL-G-81322 grease is 9150-00-145-0268 at $13.24/can.   Jul 23, 2008 #14 Recovry4x4 LLM/Member 785 Super Moderator Steel Soldiers Supporter 34,012 1,810 113 Location GA Mountains GAA is difficult to pack bearings with. With that said, I still have over 100# of GAA and will continue to use it until its gone, call me frugal!   Jul 23, 2008 #15 N nick55 New member 2 0 0 Location Hemet, Ca I know I dont say much 'round here but when the grease gets hot enough to flow the center hub full will just leak out past the seals. It wont keep water out, thats what the seals are for. As far as using a tool to push grease through the bearing I found this to be the best. [/url]http://www.lislecorp.com/tool_detail.cfm?detail=559   Jul 23, 2008 #16 Rattlewagon Member 186 1 16 Location SW PA Re: RE: Grease packingin hub, good practice or waste of grea Recovry4x4 said: GAA is difficult to pack bearings with. With that said, I still have over 100# of GAA and will continue to use it until its gone, call me frugal! Click to expand... Kenny, is that the real stringy stuff? dan   Jul 23, 2008 #17 Recovry4x4 LLM/Member 785 Super Moderator Steel Soldiers Supporter 34,012 1,810 113 Location GA Mountains RE: Re: RE: Grease packingin hub, good practice or waste of Yup!   Jul 23, 2008 #18 gringeltaube Staff Member Super Moderator Moderator Steel Soldiers Supporter 6,996 2,575 113 Location Montevideo/Uruguay Boatcarpenter said: ..... Great asset you are to the hobby and the forum ...... Thanks, BC Click to expand... Thank you Sir! But this should go out for so many others here as well, doing their best to keep this hobby alive and enjoyable, starting with our great SS-Staff! And reading and sharing experience with others or trying to find correct answers or pics is something that sure helps me learn more and not forget to soon...! Gerhard   You must log in or register to reply here. 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Packing bearingswith greaseby hand

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