[larrys40]

You can leave the backing plate bolts in the housing and still remove the backing plate . Remove the e brake lever and woodruff key and then you can remove the e brake carrier plate off the 4 studs. Then force the long service brake lever forward of the shoes if still installed and by forcing the cam lever forward it will stay there . You can then remove the backing late by pulling out from the rear end and then over the front studs pulling the lever through the hole if the read radius supports and axle housing. I know you probably looking at it thinking it can't go but it will easily. Will reinstall the same way.
No need to remove bolts from the axle hoising or torque tube up front.

Remove shoes on the bench if not previously done. Service /restore as required .
Larry Shepard