7.3.3 Fuel prefilter – Filter element replacement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Torque wrench, 8–40 Nm
F30043446
1
Ratchet adapter
F30027340
1
Diesel fuel
Filter element
(→ Spare Parts Catalog)
Sealing ring
(→ Spare Parts Catalog)
WARNING
Fuels are combustible.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
Preparatory step
u
Provide a suitable container in which to collect the fuel.
Replacing fuel prefilter
1.
Close fuel supply.
2.
Unscrew filter cover (1).
3.
Remove filter cover (1) with filter ele-
ment (3) from filter housing.
4.
Remove filter element (3) from filter cov-
er (1).
5.
Install new O-ring (2) on filter cover (1).
6.
Coat new O-ring (2) with fuel.
7.
Insert new filter element (3) in filter cov-
er (1).
8.
Screw in filter cover (1) with filter ele-
ment (3) into filter housing.
9.
Tighten filter cover (1) with torque wrench to the specified tightening torque.
Name
Size
Type
Lubricant
Value/Standard
Filter cover
Tightening torque
40 Nm
Final steps
1.
Open fuel supply.
2.
Vent fuel system (→ Page 87).
92 | Task Description | MS15033/02E 2015-02
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