G424 Service Manual Base Engine Service Procedure136
6EN1809
6EN1810
6EN1811
6EN1704
(6) 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.
(7) Place the lash adjuster in container C. Then, gently push
down the internal steel ball using special tool MD998442.
Caution: Do not use container C for cleaning. If cleaning is
performed in container C, foreign matter could enter the
pressure chamber when the chamber is filled with diesel fuel.
(8) Stand the lash adjuster with its plunger at the top, then
push the plunger downward firmly until it moves through
its greatest possible stroke. Return the plunger slowly,
then release the steel ball and allow the pressure
chamber to fill with diesel fuel.
(9) Remove the lash adjuster from the container, then stand
the lash adjuster with its plunger at the top.
Push the plunger firmly and check that it does not move.
NOTE: If lash adjuster contracts, perform the operations (7)
through (9) again to fill it with diesel fuel completely.
Replace the lash adjuster if it still contracts after performing
these steps.
(10) Stand the lash adjuster upright to prevent diesel fuel
spilling out. Do not allow the lash adjuster to become
contaminated by dirt or other foreign matter. Fit the lash
adjuster onto the engine as soon as possible.
Diesel fuel
Diesel fuel
Diesel fuel
MD998442
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