NOTICE
The water separator is under suction during normal
engine operation. Ensure that the drain valve is tight-
ened securely to help prevent air from entering the
fuel system.
i06098561
Fuel System Secondary Filter -
Replace
Fuel leaked or spilled onto hot surfaces or electri-
cal components can cause a fire. To help prevent
possible injury, turn the start switch off when
changing fuel filters or water separator elements.
Clean up fuel spills immediately.
NOTICE
Do not allow dirt to enter the fuel system. Thoroughly
clean the area around a fuel system component that
will be disconnected. Fit a suitable cover over any
disconnected fuel system components.
NOTICE
Ensure that the engine is stopped before any servic-
ing or repair is performed.
Refer to Systems Operation, Testing, and
Adjusting, “Cleanliness of Fuel System
Components” for detailed information on the
standards of cleanliness that must be observed
during ALL work on the fuel system.
1. Turn the fuel supply valve (if equipped) OFF before
performing this maintenance.
2. Place a suitable container under the fuel filters in
order to catch any fuel that might spill. Clean up
any spilled fuel. Clean the outside body of both
fuel filters.
Illustration 89 g03808756
Note: The fuel system has two secondary filters, both
must be replaced.
3. The residual fuel pressure in the fuel system may
need relieving. Wait from 1 minute to 5 minutes
until the fuel pressure has lowered.
4. Using a suitable tool remove the spin on fuel filter
(3).
5. Ensure that the sealing surface (1) is clean.
Lubricate the O ring seal (2) on the new spin on
filter with clean diesel fuel.
6. Install the new spin on filter (3) to the filter base.
Spin on the filter until the O ring seal (2) contact
the sealing surface (1). Then, rotate the spin on
filter 1 full turn.
7. Replace the other secondary fuel filter, refer to
step 2 through to step 6.
8. Turn on the fuel supply valve. Dispose of the fluid
and old filters in accordance with local regulations.
9. The primary fuel filter the secondary fuel filter must
be replaced at the same time. Refer to the
Operation and Maintenance Manual , “Fuel
System Primary Filter (Water Separator) Element -
Replace”. The engine will need to be purged of air.
With primary and secondary fuel filters replace,
Refer to Operation and Maintenance Manual ,
“Fuel System Prime”.
SEBU9071-01
105
Maintenance Section
Fuel System Secondary Filter - Replace
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