TM 10-3930-659-20 6-51. MAGNETIC PICKUP REPLACEMENT (Con't). 3. Remove two screws (8), washers (7), and cover (6) from engine timing gear cover (11). 4. Remove magnetic pickup (9) and preformed packing (10) from engine timing gear cover (11).  Discard preformed packing. b. INSTALLATION 1. Position new preformed packing (10) and magnetic pickup (9) on engine timing gear cover (11). 2. Install cover (6) on engine timing gear cover (11) with two washers (7) and screws (8). 3. Install clamp (2) on water pump (4) with screw (3). NOTE Install new tie-down straps as necessary. 4. Connect magnetic pickup connector (1) to engine wiring harness connector (5). TA707846 6-170