TM 9-2320-209-10-1 f. Refueling. FRAME 1 WARNING Authorized procedures must be used to get rid of drained fuel. Serious injury to personnel and damage to equipment may result if correct procedure is not used. NOTE Before refueling, tell organizational maintenance to drain fuel tank of any water. 1. Refuel immediately after operations to reduce condensation that may form in fuel tank. 2. Drain water from primary (1), secondary (2), and final (3) fuel filters before fuel system cools below freezing point (refer to TM 9-2320-209-10-2). 4-407