DRESSTA 32501, Operator'S Manual

Page: 111 / 177

MAINTENANCE
SECTION 5
Page 23
DRESSTA TD-15H
COOLING SYSTEM
5.8.7. REFILLING AN OVERHEATED SYSTEM
WARNING! Hot, scalding coolant can spray out if the radiator cap is removed
suddenly. Relieve system pressure by slowly turning the cap to the first notch or
lifting the safety lever. Remove the cap only after the pressure has been relieved.
WARNING! Use extreme caution when adding coolant to a hot radiator to avoid
being burned. Wear gloves and goggles and keep your face away from the filler
neck.
Never add coolant when the engine is hot. This may result in damage to the engine. Allow the
engine to cool down below 50[°C] prior to replenishing the coolant in the radiator.
5.8.8.CHANGING COOLANT
5.8.8.1. Draining the System
1. Position the machine on the level ground. Run the engine until it reaches operating temperature
then stop the engine.
Fig. 5.9 Radiator Drain Valves.
1. Radiator Drain Valve 2. Drain Valve on Engine Block
2. Remove the radiator cap.
3. Open the radiator drain valve and the main drain valve located on the engine block and drain
the system completely (Fig. 5.9).
5.8.8.2. Filling the Drained System
IMPORTANT: Do not fill a cooling system with water alone. Use antifreeze and water solution in
proportions as specified in chart 5.3.1. according to the ambient temperature.
1. Close the radiator drain valve and the valve on the engine body (Fig.5.9).
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