Carrier Race Re&Re AND Backlash

This is post is for my a 1961 Case W3(530). Transmission casting number 1096

My old races and bearings are pitted for the differential carrier bearing housing. Wondering what tricks people use to remove or install race?

My other carrier housing was broken into 3 pieces. I noticed on the broken one the housing had heat marks on it in one spot from what I expect was a torch someone had used to heat housing to eject or accept race. Maybe that weakened housing to crack in 3 places? I'm thinking cut race with grinder in a couple places and attempt to break it out with a chisel? And to put it together put new race in freezer and carrier housing in oven for ?? minutes at ??? fahrenheit? I've done re&re flywheel ring gears yet don't want to damage my good and new carrier housings. Any advice appreciated.



Here is the differential side gear mated to pinions in the center wheel of crown gear with thrust washer installed. My manual says how to check for backlash yet does not show exactly where to measure it. From pics on internet I expect to slide feeler gauge in gap between the high point of rounded sides of the two gear teeth? Spec is 0.004-0.008"

To get the old race out, put a bead of weld in the center of the race all the way around and let it sit and cool. When it cools down, flip the housing over and many times the race will fall out. If not go in from the back side and push it out.

You can either try welding all the way around the bearing cup or you can do what I have done before and weld a small piece of metal across the diameter of the bearing cup
about half way down the cup so you don?t damage the housing.

Then you will have a surface to drive the cup out of the housing.

Welding a piece of strap across the diameter of the bearing cup is actually easier than welding all the way around the bearing cup

Yesterday I ran a skinny bead around race and it did not come out. I then welded a fatter bead and sure enough after it cooled it fell right out! I like the idea of welding a piece of thick flat bar across yet wanted to try this method first.