This 1946 repair manual is now available on the Vintage Chevrolet Heritage Foundation website:
https://vintagechevyheritage.org/manuals
This manual covers fuel pumps and the combination fuel/vacuum pumps, and will be useful for many fuel pumps built through the 1950s.
71 pages including covers, lots of illustrations. This copy courtesy of the Forney Transportation Museum Auto Library.
Choose the AC_Fuel_Pump_&_Strainers_Repair_Manual.pdf file if you want to look at the manual through your browser.
If you want to print out individual pages, there are individual page JPG files which can be downloaded and printed.