Ammann AV 70 X, Operating Manual

Page: 107 / 162

101 AV 70 X
1
400158
400159
MAINTENANCE MANUAL
3.6.2. Engine cooling liquid level check
Do it before starting the engine, visual inspection of the •
level.
Top up through filler neck (1).
•
Keep level between ”MIN” and ”MAX” lines. •
At higher losses find out any cooling system leakage and •
repair the cause.
Wait to remove the filler plug only after
engine coolant temperature drops below
50 °C (120 °F). If filler plug is removed at
higher temperature then the hazard of
vapour scald or coolant scald will occur
due to inner overpressure effect.
Do NOT use any additives to repair
cooling system leaking into the engine
coolant!
Do NOT refill cold coolant in hot engine!
Danger of engine castings damaged.
Top up only with the coolant consisting
of antifreeze agents of identical base un-
der the Section 3.2.3.