Exchanging The Cooling Liquid - Zetor 86 41 forterra turbo Operator's Manual

EXCHANGING THE COOLING LIQUID

Proceed as follows:
1 - Open the heating unit cock and re-
lease the overpressure enclosure on
the expansion tank (C).
2 - Drain the cooling liquid off the radia-
tor. The drain cock (A) is accessible
after tilting out the L.H. side panel.
3 - Drain the cooling liquid off the engine
block. The drain cock (B) is accessi-
ble after dismantling the R.H side
panel.
3 - Z 11741 - Drain the cooling
liquid off the engine block. The
drain cock (B) is accessible after
dismantling the L.H side panel.
4 - As soon as the cooling liquid has
been drained off, close the two drain
HINTS FOR MAINTENANCE
F_02_117
cocks (the cock of the heating unit
remaining open).
5 - Fill the cooling system with cooling
liquid up to the neck and close the
expansion (equalizing) tank over-
pressure enclosure..
6 - Start the engine and keep it running
for approx. 1 minute.
7 - Complete the level of cooling liquid in
the expansion tank up to the mark
MAX.
8 - Close the tank with the overpressure
enclosure.
In the Z 10641 and Z 114 41 tractors
check the bleeding of the auxiliary ra-
diator. On loosening the screws at the
upper chamber of the auxiliary radiator,
pure liquid must go out.
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175
Use only the prescribed cooling
liquid for filling the engine cooling
system.
Never fill water into the cooling
system. The engine can be dam-
aged when the another than pre-
scribed liquid is used.