Cooling System; Draining The Cooling System - Man D2868 LE433 Operating Instructions Manual

Cooling system

Danger:
Draining hot coolant involves a risk of scalding.

Draining the cooling system

Danger:
Only empty the cooling system with the
engine switched off.
Caution:
Drain coolant into a suitable container
and dispose of it in accordance with regu­
lations.
Drain coolant as follows when cooling system has
cooled down:
D Briefly open the locking cap (1) on the filler
neck of the expansion tank to equalise the
pressure
D Unscrew the locking cap (4) of the coolant drain
valve (2) and open the drain valve by screwing
the hose stem (3).
D Drain coolant into a suitable container
D Then take off the cap (1)
D After the coolant has drained off unscrew the
hose stem (3)
D Unscrew the plug (5) on the exhaust manifold
on the right side of the engine and drain the
coolant.
D Screw the plug on again (5) and tighten
Maintenance and care
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