SEBU8605-01 105
Maintenance Section
Fuel Tank Water and Sediment - Drain
3. Donotuseatool
in order to install the filter
assembly. Tighten the assembly by hand. Install
the filter bowl (2) and align with your temporary
Marks.
4. Tighten the drain valve (3). Turn the fuel supply
valve to the O
N position.
5. The Primary filter element must be replaced at the
same time as
the secondary filter element. Refer
to the Operation and Maintenance Manual , “Fuel
System Primary Filter (Water Separator) Element
-Replace”.
6. Prime the fuel system. Refer to the Operation and
Maintenan
ce Manual, “Fuel System - Prime” for
more information.
i02335436
Fuel Tank Water and Sediment
-Drain
NOTICE
Care must be taken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting, and repair of the product. Be prepared
to collect the fluid with suitable containers before
opening any compartment or disassembling any com-
ponent 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 th e 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 v
alve 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 fro
m the fuel tank.
Fill the fuel tank after operating the engine in
order to dri
ve 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 sedime
nt 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.
Fuel S torage Tanks
Drain the
water and the sediment from the fuel
storage tank at the following intervals:
•
Weekly
•
Service intervals
•
Refill of the tank
This wi
ll help prevent water or sediment from being
pumped from the storage tank into the engine fuel
tank.
If a bulk storage tank has been refilled or moved
recently, allow adequate time for the sediment to
settl
ebeforefilling the engine fuel tank. Internal
baffles in the bulk storage tank will also help trap
sediment. Filtering fuel that is pumped from the
stor
age tank helps to ensure the quality of the fuel.
When possible, water separators should be used.
i02349879
Hos
es and Clamps -
Inspect/Replace
Contact with high pressure fuel may cause fluid
penetration and burn hazards. High pressure fu-
el spray may cause a fire hazard. Failure to fol-
low these inspection, maintenance and service in-
structions may cause personal injury or death.
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