This guide from Skandix has a wealth of information.
https://www.skandix.de/en/documents/additional-information/volvo-stromberg-carburettor-typology/3000543/
Know your CD Stromberg carbs
This guide from Skandix has a wealth of information.
https://www.skandix.de/en/documents/additional-information/volvo-stromberg-carburettor-typology/3000543/