Brake job

[PychoSasquatch]

I have a Gravely 260z (992088) mower and want to change the brake pads. I have the wheel off. Do i remove the wheel drum? If so, must I remove the nut in the center? Thanks for any help.

 

[BlazNT]

manualslib.com/manual/62410/Gravely-260z.html
Repair manual.