TM 9-2320-209-34-2-2 FRAME 7 1. Put key (1) in shaft (2). 2. Aline keyway in sprocket (3) with key (1). NOTE Make sure that shaft (2) does not move when tapping on sprocket (3). 3. Using brass hammer, tap sprocket (3) until setscrew hole in sprocket is alined with setscrew hole in shaft (2). 4. Tighten setscrew (4). Put on safety wire (5). END OF TASK 17-603