w z t l 1 INNER CUP OUTER CUP r x r mr a 4 race Tool J 7079 2 Driver Handle must be used with the above installers fig 3 7 4 Make certain that the cup is not cocked and that it is fully seated against shoulder in hub Replacement of Broke Drum The brake drum is held to the hub by rivets which must be removed to replace the brake drum 1 Cut heads from rivets which retain the drum to the hub Drilling through upset end of rivet will permit cutting them without distorting holes A sharp cold chisel should be used in this operation and care exercised to avoid distorting rivet holes Drive rivets from drum and hub using punch and remove drum from hub bolts 2 Clean surface on hub thoroughly 3 Install brake drum over hub bolts and insert new rivets through rivet holes in hub and drum 4 Support heads of rivets and peen ends securely Replacement of Wheel Hub 1 Remove inner and outer bearing cups as outlined previously 2 Remove the rivets retaining brake drum to wheel hub as outlined in step one under Replacement of Brake Drum 3 When installing a new hub it is necessary to install new bolts and rivets 4 Install new hub bolts by pressing serrations into hub with arbor press until undersurface of head fully contacts hub flange fig 3 8 The end of the shoulder on the hub bolts should be peened into 1 I s PIN N tNeiny hmn Nub dM