Looking for some advice. A friend of mine has a crawler with the idlers wore pretty bad on the outside so he keeps throwing track. He has asked me to fix the problem. There is room to build them up so was thinking of getting some AR-400 or some type of AR plate rolled to the correct dia. and welding with 7018. There would only be the one pass on the inside. The outside will take multiple passes. Do I need to worry about bearing shrinkage? Is there a better rod/material I could be using. I have'nt done much heavy equipment like I know some of you have. Thanks.
I am new to this stuff ( my first post ) so if it's all messed up forgive my ignorance.