G424 Service Manual Base Engine Service Procedure135
6EN1699
6EN1808
6EN1809
6EN1808
(2) Place the lash adjuster in container A and clean its
outside surface.
NOTE: Use a nylon brush if deposits are hard to remove.
(3) While gently pushing down the internal steel ball using
special tool MD998442, move the plunger through five to
ten strokes until it slides smoothly. In addition to
eliminating stiffness in the plunger, this operation will
remove dirty oil.
Caution: The steel ball spring is extremely weak, so the lash
adjuster’s functionality may be lost if the air bleed wire is
pushed in hard.
NOTE: If the plunger remains stiff or the mechanism appears
otherwise abnormal, replace the lash adjuster.
(4) Remove the lash adjuster from the container. Then, push
down the steel ball gently and push the plunger to
eliminate diesel fuel from the pressure chamber.
(5) Place the lash adjuster in container B. Then, gently push
down the internal steel ball using special tool MD998442
and move the plunger through five to ten strokes until it
slides smoothly. This operation will clean the lash
adjuster’s pressure chamber.
Caution: The steel ball spring is extremely weak, so the lash
adjuster’s functionality may be lost if the air bleed wire is
pushed in hard.
Diesel
fuel
Diesel fuel
MD998442
Diesel fuel
Diesel fuel
MD998442
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