if a definite click can't be heard when turning adjuster,linkage in drum may be broken,common fault on these.
k
February 2012
remove the lower rubber grommet in the backplate and you will see the adjusting wheel,use a screwdriver and both sides are up to adjust the shoes,if the wheel doesn`t move then probably seized
cdc
February 2012
Automatic Answer
We may have found other answers which could help you.