M978 Tanker Maintenance Instructions (Cont)
(2) Set V3 suction line valve handle (2) to OPEN position.
Primary pump and piping may contain approximately 50 to 60 gallons (190 to
230 liters) of fuel. Dispose of all drained fuel in accordance with unit standard
(3) Open drain valve (3) in primary pump (4) to drain fuel from piping.