Coolant Replacement - Zetor Major 80 Operator's Manual

COOLANT REPLACEMENT

Observe the following procedure:
1. open valve of heating (A) and release
safety plug on equalizing tank (B)
MAINTENANCE INSTRUCTIONS
NM13N065
2. drain coolant from radiator (C). Drain-
ing screw is accessible after lifting the
bonnet
3. drain coolant from the block of engine
(D). Drain valve is accessible after lift-
ing the bonnet
4. after draining the coolant, close the
screw and valve (leave heating valve
open)
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5. fill the cooling system with antifreezer
6. start the engine and allow it to run for
7. replenish antifreezer in equalizing
8. close the equalizing tank with a safety
9. after heating the engine and opening
Replace antifreezer every two years.
129
1 minute approximately
tank to the upper gauge line labelled
as MAX
plug.
thermostat allow the coolant to cool
off again and check or replenish the
coolant.
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