159
TRACTOR MAINTENANCE
COOLANT FOR TRACTOR COOLING SYSTEM TAB. 8
FRIDEX - STABIL, FRIDIOL 91 or FRICOFIN S and demineralised water in
mixing ratio 1:1.5 (when adding, keep this ratio).
The anti-freeze fluids for the coolant change abroad must contain anti-
corrosion additives protecting all materials (including rubber and cylinder
head gaskets) of the engine cooling system.
CAUTION!
1. At tractors it is forbidden to use water without anti-freeze for cooling!
2. After two years of operation, change the coolant. The fluids FRIDEX -
STABIL and FRIDIOL 91 may be mixed together.
3. Mixing ability with fluids of other manufacturers was not verified!