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DRIVE-AXLE INNER BEARING SERVICE.

Author: andy1canada (Show all albums) As I've prefaced in the Mechanic's Corner thread, what follows is an amateur pictorial and description of my first attempt to grease the inner drive axle shaft conical bearing assemblies on #846. There's likely some things I could have done better, or, differently and all are welcome to chime in with their own input to help make this a more useful reference to encourage other owners to do this important job on their own coach. This is how I did it with what I had to work with. Good luck!

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...now to pull the seal. Scrape some of the crud from the perimeter. I then sprayed some penitrant on it to help it ease out. Prolly didn't need it. NOTE THE SEATED DEPTH OF THE SEAL BEFORE YOU TAKE IT OUT!	After seeing how little space there was between the shaft and the seal I realized the 3-jaw puller I'd bought was probably too 'clubby' to get in there and again wished I had a 2-jaw one like Dan used. So I decided to make up little clip/hook jobbies to get in there and then hook the jaws into them and pull it out. What a calamity that idea created. Needed three extra arms to hold shit in place with all the 'hookin & screwing' going on...	...now to get the 3-jaws hooked in while keeping all three of these pricks hooked into the seal...	...finally got'er and little by little...
...out she comes.	Next is first innermost bearing. Note: the cup (there are 2, one for each bearing) may or may not come out with the bearing. In my case it didn't...	...the spacer ring came next. Yes it has a split in it, like a piston ring.	Looking in here it's hard to see the bearing cup, but it's in there yelling at you, "grab a couple of picks and work me outta' here dude!" Bent coat hanger rod or rebar wire works good to make hooks.
1st cup out...	Sorry for the crappy pic here but now you pull the two snap-rings. Wipe away the old grease to expose them.	These are surprisingly strong lock springs so once you get a grip on them - squeeze hard and carefully work them out.	Better pic of the 2nd snap-ring. NOTE: THESE TWO SNAP-RINGS ARE WHAT HOLDS YOUR DRIVE AXLE'S IN PLACE. BEFORE REASSEMBLY: BE CERTAIN THE GROOVE THEY SIT IN IS PERFECTLY CLEAN BEFORE YOU PUT THEM BACK IN (WIPE OUT THEN BLOW WITH COMPRESSED AIR) - AND THEN BE CERTAIN THEY ARE FULLY SEATED TIGHT AGAINST EACH OTHER AND FULLY INTO THE GROOVE ALL AROUND. I USED A LONG FLAT SCREWDRIVER WITH A SOFT-BLOW HAMMER TO TAP-TAP ALL AROUND TO CONFIRM THEY ARE TIGHT AGAINST EACH OTHER. YOU MAY ALSO HEAR THE RING "SNAP" INTO PLACE WHEN YOU HAVE IT.
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