be2010n100002e

Coolant thermostat

Type be · topic 20.10 · version 0104 · 2012-12-04

Applies to: ENGINE 402.970, 441.980, 446.938, 447.947/948/949/960, 489.960/961

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.10 Coolant pump, coolant thermostat — Series 441 (models 980) · Series 447 (models 947, 948, 949, 960)

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.30 Pump/thermostat/preheater — Series 441 (models 980) · Series 447 (models 947, 948, 949, 960)

Also applies to engines/gearboxes: 402 970, 446 938, 489 960, 489 961

BE20.10-N-1000-02E

Coolant thermostat

ENGINE

402.970, 441.980, 446.938, 447.947/948/949/960, 489.960/961

Check values for coolant thermostat

Number

Designation

ENGINE 402.970

ENGINE 441.980

BE20.10-N-1001-02E

Coolant thermostat starts to open

Series design

°C

83 (2)

83 (2)

Tropical version

°C

71 (2)

71 (2)

BE20.10-N-1002-02E

Coolant thermostat main valve

Series design

Full opening

°C

95

95

Stroke

mm

8

8

Tropical version

Full opening

°C

85

85

Stroke

mm

8

8

BE20.10-N-1003-02E

Coolant thermostat short-circuit valve

Series design

closed

°C

92

92

Stroke

mm

6...7,5

6...7,5

Tropical version

closed

°C

82

82

Stroke

mm

6...7,5

6...7,5

BE20.10-N-1004-02E

Amount of leakage water for main valve

Series design

1 kp/cm² and 20 °C

l/min

0,67...1,17

0,67...1,17

Tropical version

1 kp/cm² and 20 °C

l/min

0,67...1,17

0,67...1,17

BE20.10-N-1005-02E

Flow rate with main valve open

Series design

1 kp/cm² and 20 °C

l/min

333

333

Tropical version

1 kp/cm² and 20 °C

l/min

333

333

Check values for coolant thermostat

Number

Designation

ENGINE 446.938

ENGINE 447.947/948/949/960

BE20.10-N-1001-02E

Coolant thermostat starts to open

Series design

°C

83 (2)

83 (2)

Tropical version

°C

71 (2)

71 (2)

BE20.10-N-1002-02E

Coolant thermostat main valve

Series design

Full opening

°C

95

95

Stroke

mm

8

8

Tropical version

Full opening

°C

85

85

Stroke

mm

8

8

BE20.10-N-1003-02E

Coolant thermostat short-circuit valve

Series design

closed

°C

92

92

Stroke

mm

6...7,5

6...7,5

Tropical version

closed

°C

82

82

Stroke

mm

6...7,5

6...7,5

BE20.10-N-1004-02E

Amount of leakage water for main valve

Series design

1 kp/cm² and 20 °C

l/min

0,67...1,17

–

Tropical version

1 kp/cm² and 20 °C

l/min

0,67...1,17

–

BE20.10-N-1005-02E

Flow rate with main valve open

Series design

1 kp/cm² and 20 °C

l/min

333

–

Tropical version

1 kp/cm² and 20 °C

l/min

333

–

Check values for coolant thermostat

Number

Designation

ENGINE 489.960/961

BE20.10-N-1001-02E

Coolant thermostat starts to open

Series design

°C

83 (2)

Tropical version

°C

71 (2)

BE20.10-N-1002-02E

Coolant thermostat main valve

Series design

Full opening

°C

95

Stroke

mm

8

Tropical version

Full opening

°C

85

Stroke

mm

8

BE20.10-N-1003-02E

Coolant thermostat short-circuit valve

Series design

closed

°C

92

Stroke

mm

6...7,5

Tropical version

closed

°C

82

Stroke

mm

6...7,5

BE20.10-N-1004-02E

Amount of leakage water for main valve

Series design

1 kp/cm² and 20 °C

l/min

–

Tropical version

1 kp/cm² and 20 °C

l/min

–

BE20.10-N-1005-02E

Flow rate with main valve open

Series design

1 kp/cm² and 20 °C

l/min

–

Tropical version

1 kp/cm² and 20 °C

l/min

–