Replacing Coolant; Anti Freeze - Zetor HORTUS HS Series Operator's Manual

Replacing coolant

1. Open the drain tap in front of the engine oil filter to drain the coolant.
2. Open the coolant expansion vessel cap at the same time.
3. For thorough cleaning, rinse the cooling circuit with running water.
4. Close the drain tap and fill the radiator with a mixture of water and a corrosion inhibitor or antifreeze.
5. Start the engine and let it run for about 5 minutes, then check the water level again and add more if
necessary.
1. Coolant Expansion Vessel Cap
1 - Drain Cock
Caution:
Do not remove the radiator cap on a hot engine.

Allow the engine to cool down and then turn the cap slowly to ensure, that there is no

excessive pressure in the radiator.
Caution:
Serious burns, can result from the contents of pressurized, hot radiators.

Allow the engine to cool down completely before opening radiator cap.


Anti Freeze

Frozen cooling water can damage the engine.
Before replacing the anti freeze solution flush the radiator.
Mix the anti freeze solution in accordance with the instructions applicable to the brand of anti freeze and the
locals climate.
Replace the solution in the radiator.
In case of loss of solution due to evaporation or overflow, replace with the original mixture ratio.
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MAINTENANCE
HODP125
HODP126