Shown on engine 646.985 |
1 | Expansion reservoir |
2 | Drain valve |
D20.00-1108-06
Drain off | |||
Warning | Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. 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 containers. | |
Topical note | Notes on coolant | ||
1 | Unscrew cap from the expansion reservoir (1) | Turn cap on the expansion reservoir (1) counterclockwise by half a revolution, relieve overpressure, then unscrew cap from expansion reservoir (1). | |
2 | Lift/jack up vehicle | ||
3 | Fasten drain hose to drain valve (2) | Cooler vacuum filling device | |
4 | Open drain screw on drain valve (2) and drain coolant | Collect coolant in a suitable container. | |
5 | Close exhaust valve on drain valve (2) | To do this, detach drain hose. | |
Pour in | |||
6 | Pour in coolant and bleed cooling system | ||
Notes on coolant level | |||
Engine 642, 646, 651Coolant | |||
ENGINE 271, 272Coolant | |||
Cooler vacuum filling device | |||
Test cap | |||
7 | Check cooling system for leaktightness | ||
When removing component parts within the coolant circuit. |
639 589 00 91 00
Test cap
285 589 00 21 00
Cooler vacuum filling device