Quote Originally Posted by DennyW
Have someone, or use something to hold the brake release lever out. Get yourself like PB Blaster, and add to the cables where they go into the housing. While the brake release lever is being help in the off position, wiggle the cable housing to work the lub in, and free up the cable. You may also tap on the drums if you think the shoes are froze.
if its the cables this is the way to go. if its the shoes working with the drum should do it.