TM 9-2320-209-10-1 FRAME 3 CAUTION During freezing temperatures, always keep delivery lines, compartment drain pipes, manifold pipes and delivery pump free of water except during water dis- charging operations. Water in system could freeze and cause damage to components. 1. Turn left and take dust covers (1) off. 2. Turn pump delivery line discharge valve knob (2) and gravity delivery line suction valve knob (3) left, to open position. GO TO FRAME 4 4-197