Illustration 12 g03011668
9. If necessary, follow Step 9.a. through Step 9.g. in
order to disassembly the assembly of primary fuel
filter (4).
a. Remove vent screw assembly (7) and remove
O-ring seal (8). Use Tooling (A) in order to plug
the primary fuel filter (4). Use Tooling (A) in
order to cap vent screw assembly (7).
b. Remove connection (1) and remove O-ring
seal (10). Use Tooling (A) in order to plug the
primary fuel filter (4). Use Tooling (A) in order
to cap connection (1).
c. Remove connection (2) and remove O-ring
seal (13). Use Tooling (A) in order to plug the
primary fuel filter (4). Use Tooling (A) in order
to cap connection (1).
d. Remove plug (12) and remove O-ring seal
(13). Use Tooling (A) in order to plug the
primary fuel filter (4).
e. Remove plug (15) and remove O-ring seal
(14). Use Tooling (A) in order to plug the
primary fuel filter (4).
f. Remove water in fuel sensor (6) and remove
O-ring seal (17).
g. Remove the filter element from fuel filter
canister (16). Refer to Operation and
Maintenance Manual, “Fuel System Primary
Filter (Water Separator) Element - Replace” for
the correct procedure.
Installation Procedure
NOTICE
Ensure that all adjustments and repairs that are
carried out to the fuel system are performed by
authorized personnel that have the correct
training.
Before beginning ANY work on the fuel system,
refer to Operation and Maintenance Manual, “Gen-
eral Hazard Information and High Pressure Fuel
Lines” for safety information.
Refer to System Operation, Testing and Adjusting,
“Cleanliness of Fuel System Components” for de-
tailed information on the standards of cleanliness
that must be observed during ALL work on the
fuel system.
1. Ensure that the fuel filter base is clean and free
from damage. If necessary, replace the complete
fuel filter base and filter assembly.
Illustration 13 g03011668
2. If necessary, follow Step 2.a. through Step 2.i. in
order to assembly primary fuel filter (1).
a. Install a new filter element to fuel filter canister
(16). Refer to Operation and Maintenance
Manual, “Fuel System Primary Filter (Water
Separator) Element - Replace” for the correct
procedure.
b. Remove cap from connection (1). Install a new
O-ring seal (10) to connection (1).
c. Remove plug from primary fuel filter (4). Install
connection (1) to primary fuel filter (4). Tighten
the connection to a torque of 20 N·m
(177 lb in).
UENR4503 13
Disassembly and Assembly Section
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