Zetor 106 41 forterra turbo, Operator'S Manual, Page: 175 / 257

175
HINTS FOR MAINTENANCE
F_02_117 F_02_199
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
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.
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.