1 | Cap |
2 | Tester cap |
3 | Pressure pump |
D20.30-0015-11
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. | |
| Check | ||
1 | Turn the cap (1) on the expansion reservoir one half-turn counterclockwise, release the overpressure and unscrew the cap (1) on the expansion reservoir. | ||
2 | Check the cap (1) for corrosion. | If there is a problem, | |
| |||
change the cap (1). | |||
3 | Place the tester cap (2) on the pressure pump (3). | Pressure pump | |
Test cap | |||
4 | Screw the cap (1) onto the tester cap (2). | ||
5 | Apply pressure to the cap (1) and determine the opening pressure. | Engine 271, 272 in model 906, engine 642 im Typ 470, 471, engine 642 in model 639, 906, engine 646 in model 636, 639, 906, engine 651 in model 636, 639, 906Pressure relief valve opens | |
Engine 112 in model 639, engine 272 in model 636, 639Pressure relief valve opens | |||
If the specified values are not reached, | |||
| |||
change the cap (1). | |||
6 | Remove the pressure pump (3) from the tester cap (2). | ||
7 | Unscrew the cap (1) from the tester cap (2). | ||
8 | Screw the cap (1) onto the expansion reservoir. |
639 589 01 91 00
Test cap
124 589 24 21 00
Pressure pump
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