4
5
6
Draining and filling with coolant
38
Filling up with coolant
Fig. 4
The engine’s cooling system is to be filled up with
a mixture of potable tap water and antifreeze agent
on ethylene glycol basis or anticorrosion agent.
See publication ”Fuels, Lubricants, Coolants for
Industrial and Marine Diesel Engines”.
Coolant must be added at the filler neck only.
Do not put cold coolant into an engine which is
warm from operation.
Ensure that the ratio of water to anti-freeze is cor-
rect.
Figs. 5 and 6
D Remove cap (large cap)
D Set heating (if fitted) to full output, open all
shut-off valves, open bleeders (if fitted)
D Unscrew bleed screw on liquid-cooled turbo-
charger
D Slowly fill up with coolant via filler neck on ex-
pansion tank until fluid level has reached the
lower edge of the filler neck
D Screw in bleeder screws again and refit cap
D Let engine run at a speed of 2,000 rpm for
approx. 5 minutes
D Switch off engine, carefully turn cap (1) with
safety valve to first detent –let off pressure–
then carefully take off cap
2707
3415
2598
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