Remove the seals (Item 1) [Figure 40-161-6] from both sides of the arm.
Remove the bushings (Item 2) [Figure 40-161-6] from both sides of the arm.
Install the new bushings in the arm.
Install the bushings until they are seated 5 mm (0.197 in) in the pin boss [Figure 40-161-7] (both sides).
Install new seals on both sides of the arm.
NOTE: The metal side of the seals must face outward.