12-90. TM 9-2320-361-20 1. 2. 3. 4. Install two new woodruff keys (6) and universal joint (9) on driveshaft (8). NOTE Assistant will help with steps 2 and 3. Remove two locknuts (2) and screws (4) from pump (3). Discard locknuts (2). Install pump haft (5) in universal joint (9) and install pump (3) on bracket (1) with four screws (4) and new locknuts (2). Tighten two setscrews (7). 12-147