Service Manual

6
6.1 Lubricating oil system Care and maintenance work
29
Regulations for working on the
lubricating oil system
Do not work when the engine is run-
ning.
Smoking and naked lights prohibited!
Danger of scalding with hot lubricating
oil!
Pay attention to utmost cleanliness
when working on the lubricating oil sy-
stem.
Carefully clean the area around the af-
fected parts. Blow damp areas dry with
compressed air.
Observe the safety regulations and na-
tional specifications for handling oils.
Dispose of leaking lubricating oil and
filter elements properly. Do not allow
used oil to seep into floor.
Perform a trial run after all work. Pay
attention to tightness and oil pressure
and then check the engine oil level. For
fuels with a sulphur content higher
than 1% ask your responsible service
representative.
Checking the lubricating oil level
z Pull out the oil dipstick and wipe off with a
lint-free, clean cloth.
z Insert the oil dipstick as far as it goes.
z Pull out the oil dipstick and read off the oil le-
vel.
z The oil level must always be between the
MIN and MAX marks! Fill up to the MAX
mark if necessary.
Changing the lubricating oil
z Run the engine warm (oil temperature > 80
°C).
z Position the engine or vehicle so as to be le-
vel.
z Switch off the engine.
z Place a collecting receptacle underneath
the oil drain plug.
z Unscrew the oil drain plug, drain oil.
z Fit a new sealing ring to the oil drain plug, in-
sert and tighten it (tightening torque 100
Nm).
z Fill in oil.
Low oil level or overfilling lead to engi-
ne damage!
The oil level may only be checked with
the engine in a horizontal position and
switched off.
If the engine is warm, switch off the en-
gine and check the oil level after 5 mi-
nutes. If the engine is cold you can
check it ilmmediately.
Careful with hot oil. Danger of scal-
ding!
– Quality/viscosity data (  23 ) .
– Filling volume (  51 ) .
z Check engine lubricating oil level (see pre-
vious chapter)