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72
SEBU8325-01
Maintenance Section
Fuel Tank Water and Sediment - Drain
g02659219
Illustration 42
Typical example
(4) O ring seal
4.
Lubricate the sealing ring (4) with clean fuel oil.
5.
Install the spin-on filter (2) into the top of the filter
head (1).
6.
Tighten the spin-on filter by hand until the sealing
ring contacts the filter head. Rotate the spin-on
filter through 90 degrees.
7.
Prime the fuel system. Refer to Operation and
Maintenance Manual, “Fuel System - Prime”.
i02677376
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 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.
Fuel Storage Tanks
Drain the water and the sediment from the fuel
storage tank at the following intervals:
•
Weekly
•
Service intervals
•
Refill of the tank
This will help prevent water or sediment from being
pumped from the storage tank into the engine fuel
tank.
Summary of Contents for D 70 SL
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Page 48: ...48 3 SAFETY PRECAUTIONS id D 70 SL REV 00 02 11 2009 VEHICLE EXTERIOR ...
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