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MAINTENANCE INSTRUCTIONS
E725 E726 E727
COOLANT CHANGE
Keep the following instructions:
1. Open the heating system cock (A)
and release the equalizer container
pressure cap (B).
2. Drain the coolant from radiator (C).
The drain bolt is accessible after
removal of the left-hand side shield.
3. Drain the coolant from engine block
(D). The drain cock is accessible
after removal of the right-hand side
shield.
4. Close both the drain bolt and cock
after draining of coolant (let the cock
open).
5. Fill the cooling system with antifreeze
mixture.
6. Start the engine and let it run for
about 1 minute.
7. Add the antifreeze mixture into the
equalizing tank up to the upper mark
(“MAX”)
8. Close the equalizer container with
pressure cap.
Change the antifreeze mixture with new
one after every two years at least.
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