50
MAINTENANCE
11.
Repeat this procedure until no
more coolant can be added.
!
DANGER!
If, in an exceptional case, the
coolant level has to be checked
in an engine that has reached
operating temperature, first
carefully turn the cap (large cap)
with safety valve to the first
stop, let off pressure, then open
carefully.
NOTE!
Do not open the cooling
system when the engine is at
operating temperature. This causes
a pressure loss in the cooling
system.
If the cooling system has been
opened when the engine is at
operating temperature this can
lead to the alarm
pressure in the
expansion tank
when the engine
is then put into operation and to a
reduction in the engine output.
Coolant pressure in the expansion
tank is only built up again when the
engine has cooled down.
The cooling system must therefore
only be filled up when the engine is
cold.
!
WARNING!
Use only approved fluids,
lubricants etc. see
Recommended
fluids and grease
.
Otherwise
the manufacturer’s warranty will
become null and void.
Coolant
must be added at the
filler
cap only
.
NOTE!
Do not add cold coolant to a
warm engine.
Ensure that the mixing ratio “water-
antifreeze” is preserved.
6.
Slowly fill up with coolant via
filler neck on expansion tank
until fluid level has reached
just above the divider in
expansion tank.
7.
Let engine run at a speed of
2,000 rpm for approx. 15 min.
8.
Switch off engine, carefully
turn the cap to relieve
pressure.
!
DANGER!
Do NOT open cap until pressure
is released. Risk of scalding and
burning injuries!
9.
Top up to 4 cm below filling
neck.
10.
Before the next engine start-
up (with the engine cold) check
the coolant level and top up if
necessary.
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Страница 3: ...Overview 3 INTRODUCTION Publication No ODM1005 B Maintenance Operating Technical data ...
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