1972 Ski-Doo Shop Manual, Page 25Get this manual
REAR HUB
ASSEMBLY
NOTE: If idler wheel is difficult to remove due to rust, remove rivets, outer flange and tirePosition an end protector Qn shaftUsing special bearing puller, remove bearing and flange (fig1-3-6)
1Prior to Assembly procedure, ensure all components are clean and all defective parts have been repaired or replaced2On models with rear hub equipped with center idler, apply liquid soap or petroleum jelly on bead of idlerPass idler over flanges using two screwdrivers (round bars)Bolt idler flanges together following sequence of figure 1-3-8
6Remove nuts and bolts attaching each mobile flange and sprocket to the hubRemove flanges and sprockets7On models with rear hub equipped with center idler, remove bolts and nuts securing idler flangesApply liquid soap or petroleum jelly on bead of idlerUsing two screwdrivers (round bars), pass idler over flanges (fig1-3-7)