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Change fuel filter/s
Only proceed with the engine stopped and at a low temperature, so
as to avoid the risk of burning.
Only use filters with a filtration level equivalent to the ones you are
replacing (see section FREQUENCY).
q Remove the filter/s by unscrewing it.
q Check that the new filter has performance levels that satisfy the
needs of the engine (e.g. by comparing them with the old one).
q Damp the new filter seal with diesel or engine oil.
q Hand screw the new filter into place until the seal gasket touches
the support, then lock by a further 3/4 of a turn.
q Pay particular attention to the electrical fuel pre-heater and
relevant electrical connection (1).
Bleeding procedure:
q Loosen the fuel outlet manifold, located on the upper part of the
filter (2).
q Make sure that any diesel coming out will not dirty the auxiliary
member drive belt or be dispersed into the environment.
q Use the pre-filter hand pump until the diesel coming out is free
from any residual air or perform the same operation using the
mechanical feed pump (3).
q Lock the manifold loosened as above to the required torque.
q Dispose of any diesel expelled during the above operation in
accordance with the law.
q Start the engine and run it at minimum speed for a few minutes to
eliminate any residual air.
Note: Should it be necessary to
accelerate the bleeding phase, the
hand pump can be used during
start-up.
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2
WARNING
Do not fill up the new filter before it is fitted to the support, to avoid
inserting harmful impurities into the injection system and circuit.
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