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The f f irst 1 1 ,500 k k m – a a nd a a fterwards
Running-in
During the first few operating hours the
engine internal friction is higher than
later on when all the moving parts have
bedded down. How well this running in
process is done depends to a consider-
able extent on the way the vehicle is dri-
ven during the first 1500 km.
Up t t o 1 1 000 k k ilometres
the following general rules apply:
•
Do n n ot u u se f f ull t t hrottle
•
Do n n ot d d rive f f aster t t han 3 3 /4 o o f t t op
speed
•
Avoid h h igh e e ngine s s peeds
•
Trailer towing should if possible be
avoided.
Warning
•
New t t yres m m ust a a lso b b e " " run i i n"
because t t hey d d o n n ot h h ave m m axi-
mum a a dhesion a a t t t he s s tart. T T his
must b b e t t aken i i nto a a ccount b b y
driving c c arefully d d uring t t he f f irst
100 k k m.
•
New b b rake l l inings m m ust a a lso b b e
run i i n a a nd d d o n n ot h h ave t t he o o pti-
mum f f riction p p roperties d d uring t t he
first 2 2 00 k k m. T T he s s lightly r r educed
braking e e ffect c c an b b e c c ompen-
sated f f or b b y m m ore p p ressure o o n t t he
brake p p edal. T T his a a lso a a pplies
when n n ew l l inings h h ave b b een f f it-
ted.
YOUR VEHICLE AND THE ENVIRONMENT
From 1 1 000 – – 1 1 500 k k m
The speed can be gradually increased to
the road or engine maximum.
During a a nd a a fter t t he r r unning-in
period t t he f f ollowing a a pplies:
•
Do not overrev the engine when cold –
either in neutral or in the gears.
All speeds and revs given are only valid
when engine is properly warm.
Do n n ot d d rive a a t u u nnecessarily
high e e ngine r r evs. C C hanging u u p
one g g ear s s ooner h h elps t t o s s ave f f uel,
reduces n n oise a a nd p p ollution. S S ee a a lso
the " " Economical a a nd e e nvironment-
friendly d d riving" c c hapter.
•
Do not let engine labour – change down
when engine no longer runs smoothly.
After t t he r r unning-in p p eriod
•
On vehicles with a rev counter* the
maximum permissible engine speed is
shown by the beginning of the red zone
on the rev counter scale. The needle of the
counter must not move into this zone.
Extremely high engine revs will be auto-
matically governed.
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TIPS AND MAINTENANCE
3.11
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