TM 9-2320-209-10-1 FRAME 5 1. To drain manifold pipes (1): (a) (b) (c) (d) (e) (f) (g) (h) Place delivery line (2) on gravity delivery line gate valve (3). (Refer to para 4-9 f. ) Check that discharge valve control levers (4) are in closed (forward) position. Turn left and open gravity delivery line gate valve (3). Let water and fuel drain from manifold pipes (1) into container (5). Turn right and close gravity delivery line gate valve (3). Take delivery line (2) from gravity delivery line gate valve (3). (Refer to para 4-9 f.) Unclip ground wire (6) and let it rewind on reel. Close rear compartment doors (7). CAUTION Authorized procedures must be used to get rid of the fuel drained into the container. 4-155