There are troubleshooting guides, as far as a service manual for teardowns... to my knowledge Trane does not put out a manual, in other words they don't want you to take the compressor apart for rebuild. It's not that it can't be done, I've never done it, there maybe a compressor rebuild shop in your area that knows how. Definetly not something to try in the field. CHHP is this on an RTAC? Out of curiosity why do want to remove the bearing housing?
RTAC-SVD02A-EN is the publication number you need so you'll know what to ask for when you go into your local Trane office.
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Farewell to foreign shores, We sail at break of day. Through our last night on shore, Drink to the foam. Until we meet once more. Here's wishing you a happy voyage home!