SECTION V MAINTENANCE
Changing the coolant/antifreeze mixture and flushing the cooling
system
Clean the cooling system using a
specific detergent.
Proceed as follows:
–
Open the drain cock at the
right of the engine block to
drain the cooling circuit.
–
Drain the radiator by removing the the drain plug on the bottom
left-hand side;
–
Fill the system with the detergent mixture (if the tractor is equipped
with a cab heater, this should be set to maximum heating so that the
detergent mixture also circulates through the heat exchanger);
–
Start the engine and allow to it run for approx. one and a half hours.
–
Drain the system and then fill it with water; then start the engine again,
bring it up to a speed of approx. 1000 rpm and leave it running for 5
minutes.
–
Drain the system once again.
–
Refill with AKROS FREEZE, run the engine for a few minutes and
then top up the system.
Thermostat
There are two thermostats in the cooling system that prevent the
coolant from circulating in the radiator until it has reached a sufficiently
high temperature (approx. 85°C/185°F).
If you are in any doubt as to whether a thermostat is functioning correctly,
have it checked by qualified personnel.
134
WARNING: DO NOT REMOVE RADIATOR CAP WHILE ENGINE IS
HOT. RADIATOR IS PRESSURIZED AND IF OPENED WHILE HOT,
STEAM AND BOILING LIQUID WILL BE SPRAYED OUT, WHICH MAY
INJURY YOU AND OTHERS WHICH MAY BE CLOSE BY. THERE CAN
ALSO BE A EXCESSIVE AMOUNT OF COOLANT LOSS.
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