AP20.00-T-2080-01CB | Drain coolant, pour in | ||
Danger! | Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage bottles. Wear protective gloves, protective clothing and eye protection. |
Engine cooling system
Number | Designation | Engine 402.970, 441.980, 446.938, 457.944 | ||
BF20.00-N-1001-01D | Coolant capacity | without VOITH retarder | Liters | 75...100 |
with VOITH retarder | Liters | 95...120 | ||
Specifications for Operating Fluids | Sheet | |||
Sheet | ||||
T83.70-0025-11
Drain coolant
When disposing of coolant, the legal requirements and local waste water regulations must be observed.
1 Disconnect electrical connector (arrow) of circulation pump (1).
Because of risk of damage, do not operate circulation pump without coolant.
2 Open shutoff valve of heater feed (2).
T20.00-0031-11
3 Open shutoff valve of heater return flow (3).
T20.10-0023-01
4 Remove coolant hose (4) from connection (5) of water pump and drain coolant.
5 Unscrew screw (6) from coolant connection (7) at retarder and drain coolant, if necessary slacken hose clamps and detach coolant hose.
T20.20-0065-01
Pour in coolant
6 Clean drain openings which are plugged by deposits.
7 Screw in all drain plugs.
Inspect seals of the drain plugs, replace if necessary.
8 Prepare and pour in coolant of the specified composition.
9 Plug together electrical connection of circulation pump (1).
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