TM 9-2320-209-20-3-4 b. Replacement. FRAME 1 1. Using snapring pliers, take off two snaprings (1). Take off boot (2). 2. Pack universal joint (3) with grease. 3. Put boot (2) onto universal joint (3). 4. Using snapring pliers, put on two snaprings (1). GO TO FRAME 2 19-105