The drum and hub get removed from the axle as a unit on your truck. The basic description for rear brake drum removal is found Here in the shop manual. A screen capture below shows the rear 1948-50 1-1/2 Ton removal info. It directs you to see Section 4 for disassembly instructions to take the drum off the hub.
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
