157ASC 110
MAINTENANCE MANUAL
After closing the drain cock, ll cooling system with new •
cooling liquid with ratio of 50% of water + 50% of anti-freeze
agent.
Fill it up to the upper edge of the level indicator. After lling, •
wait for approx. 2-3 minutes until air goes o and the circuit
is lled. The maximum lling rate is 19 l/min (5 US gal/min).
Close the equaliser reservoir with the pressure plug.
Start the engine and wait until the temperature reaches •
80 °C (175 °F). Check during your waiting for any leakage of
cooling liquid.
Stop the engine.•
Check the level on the indicator. If the level is low, rell cool-•
ing liquid to maximum.
Do not dismantle the pressure plug be-
fore the temperature of cooling liquid
falls lower than to 50 °C (122 °F). Beware
of gushing of the coolant and scalding
when opening the pressure plug.
! NOTE !
Use cooling liquid according to chapter 3.2.3!
Follow the instructions of the manufac-
turer of anti-freeze uid when changing
coolant!
Protect your hands with gloves!
Use safety glasses or safety shield!
Collect used liquid and have it safely dis-
posed according to valid regulations!
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