BA series pumps
Pump unit with diesel drive 1401
8.32
NOTICE
The water separator is under suction during normal engine operation. Ensure that the drain valve is
tightened securely to help prevent air from entering the fuel system.
Fuel Tank Water and Sediment - Drain
NOTICE
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance,
testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component containing fluids.
Dispose of all fluids according to local regulations and mandates.
Fuel Tank
Fuel quality is critical to the performance and to the service life of the engine. Water in the fuel can
cause excessive wear to the fuel system.
Water can be introduced into the fuel tank when the fuel tank is being filled.
Condensation occurs during the heating and cooling of fuel. The condensation occurs as the fuel
passes through the fuel system and the fuel returns to the fuel tank. This causes water to accumulate in
fuel tanks. Draining the fuel tank regularly and obtaining fuel from reliable sources can help to eliminate
water in the fuel.
Drain the Water and the Sediment
Fuel tanks should contain some provision for draining water and draining sediment from the bottom of
the fuel tanks.
Open the drain valve on the bottom of the fuel tank in order to drain the water and the sediment. Close
the drain valve.
Check the fuel daily. Allow five minutes after the fuel tank has been filled before draining water and
sediment from the fuel tank.
Fill the fuel tank after operating the engine in order to drive out moist air. This will help prevent
condensation. Do not fill the tank to the top. The fuel expands as the fuel gets warm. The tank may
overflow.
Some fuel tanks use supply pipes that allow water and sediment to settle below the end of the fuel
supply pipe. Some fuel tanks use supply lines that take fuel directly from the bottom of the tank. If the
engine is equipped with this system, regular maintenance of the fuel system filter is important.
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