
6.
Install new O ring seal (5) onto filter assembly (2).
Lubricate the O ring seal (5) with clean engine oil.
Also, lubricate the threads on the filter housing
assembly (2) with clean engine oil.
7.
Install filter assembly (2) onto the fuel filter base
(1) and tighten to a torque of 80 N·m (59 lb ft).
8.
The primary fuel filter should be replaced when the
secondary fuel filter is replaced. For more
information refer to this Operation and
Maintenance Manual, “Fuel System Primary Filter
(Water Separator) Element - Replace”.
9.
Dispose of the fluid and old filter in accordance
with local regulations.
10.
Turn the valves for the fuel lines (if equipped) to
the ON position. With both primary and secondary
fuel filter installed, prime the fuel system. Refer to
this Operation and Maintenance Manual, “Fuel
System - Prime”.
2806D Secondary Fuel Filter
1.
Residual fuel pressure should be relieved from the
fuel system before the fuel filter is removed. After
the engine has stopped, wait for 1 to 5 minutes
until the fuel pressure has lowered. Use a suitable
container to collect any fuel that may spill.
2.
Turn the fuel supply valve (if equipped) to the OFF
position. Place a suitable container under the fuel
filter assembly. Clean the outside of the secondary
fuel filter assembly.
Illustration 67
g03861468
3.
Using a suitable tool, remove the secondary fuel
filter (3) from housing (1). Discard the old
secondary fuel filter.
NOTICE
Do not fill the secondary fuel filter with fuel before in-
stalling. The fuel would not be filtered and could be
contaminated. Contaminated fuel will cause acceler-
ated wear to fuel system parts.
4.
Lubricate O ring seal (2) with clean diesel fuel.
Install new secondary fuel filter (3) to housing (1).
5.
Spin on new secondary fuel filter, when the O ring
seal (2) contacts the sealing surface rotate the fuel
filter ¾ of a full turn. Remove the container and
disposal of the waste fuel in accordance with local
regulations.
90
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