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Pooch;
To remove the shoes, unhook and remove the spring (just below hydraulic wheel cylinder) which pulls them together (Trick!...do this from the extended end of the spring, not the coiled end, reason will become apparent once fully apart), then unhook E-Brake cable (by pulling its spring away from lever, then unhooking from lever), then push in and give a halfturn to the little spring-loaded securing washers in the middle of each shoe...this will allow the keyed pins to be removed from behind backing plate...shoes should then be able to be simply separated and removed (along with that lever which is actuated when E-Brake cable pulls on it). Once the shoes and that lever are off the car, that lever can be simply removed by lifting its pivot pin from the hole in the rear shoe.
If this is your first time doing this operation, having a picture as a reference will help when it comes time for reassembly (which is as they say the reverse of disassembly). RH and LH assemblies are strictly mirror images of each other, so should no issues.
I recommend spending some time freeing up the unbunged adjuster and rebuilding it with liberal amounts of graphite grease to prevent it from galvanically corroding into a (useless) monolythic piece...the housing is Alu the other parts steel...you can guess the rest. I'm sure you can locate a replacement for the damaged one from someone here. Make a 1/4" drive to help with adjusting it...it also prevents stripping since it picks up all four corners...like so:
Maybe someone can post an adjustment procedure here for you. Adjust shoes close to drum first, and E-Brake second!
You can check the drum dimensions to assure material is still thick enough, but I recommend against having it machined...the metal you have machined away today will make it that much sooner that you will need to replace the drum tomorrow ($$$$$$$$$$).
Finally, while you are under there with the graphite grease, crack (without breaking!) the bleeders and apply some to their threads...you'll be happy you did next time you need to bleed them.
See: http://www.sw-em.com/service%20notes.htm#Braking%20System
Good Hunting!
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