ar2010b2455ta

Check coolant thermostat

Type ar · emne 20.10 · version 0401 · 2019-11-08

Gælder for: Engine 457.9 in model 958.4 Engine 460.984 in model 934.### #R Engine 460.984 in model 934.### #S Engine 904.9 in model 958.0 Engine 906.9 in model 958.0 Engine 924.9 in model 958.0/1 Engine 926.9 in model 958.0/1 Engine 926.9 in model 958.2

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Placering

Funktionsgruppe 1 Motor › 20 Motorkøling › 20.10 Kølevæskepumpe, kølevæsketermostat — Serie 460 (modeller 984) · Serie 904 (modeller 9**) · Serie 906 (modeller 9**) · Serie 934 · Serie 958 (modeller 0**, 1**, 2**, 4**)

EinPAS 15 Motor › 15.25 Motorkølesystem › 15.25.30 pumpe/termostat/forvarmningsapparat — Serie 460 (modeller 984) · Serie 904 (modeller 9**) · Serie 906 (modeller 9**) · Serie 934 · Serie 958 (modeller 0**, 1**, 2**, 4**)

Gælder også for motorer/gearkasser: 457 9**, 924 9**, 926 9**

AR20.10-B-2455TA

Check coolant thermostat

01.11.2019

Engine

457.9 in model 958.4

Engine

460.984 in model 934.### #R

Engine

460.984 in model 934.### #S

Engine

904.9 in model 958.0

Engine

906.9 in model 958.0

Engine

924.9 in model 958.0/1

Engine

926.9 in model 958.0/1

Engine

926.9 in model 958.2

Check coolant thermostat

1

Coolant temperature regulator (thermostatic valve)

1/1

Primary valve

1/2

Short circuit valve

W20.10-0005-04

Tests

Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

1

Remove the coolant temperature regulator (1)


Engines 457.9 and 460.984

AR20.10-B-2460TC

Engine 924.9,

AR20.10-B-2460TJA

Engine 926.9

AR20.10-B-2460TJ

Engine 904.9, 906.9

AR20.10-B-2460TA

2

At the time, hang the coolant temperature regulator (1) by a wire in a container with water

3

Heat the water in the container using a hot plate

4

Measure the water temperature note when the coolant temperature regulator (1) starts opening

Use a temperature measuring device.

.Nominal temperature

*BE20.10-B-1001-02B

5

Continue heating the water until the short-circuit valve (1/2) is closed

Use a temperature measuring device. The short-circuit valve (1/2) must be fully closed.

.Short circuit valve

*BE20.10-B-1003-02B

6

Continue heating the water until the primary valve (1/1) is fully opened, measure travel distance

Use a temperature measuring device. The primary valve (1/1) must be fully open, from 6 to 8 minutes. If the test values ​​are not achieved, replace the coolant temperature regulator (1).

.Main valve

*BE20.10-B-1002-02B

7

Install the coolant temperature regulator (1)

Remove/install coolant thermostat
Engines 457.9 and 460.984

AR20.10-B-2460TC

Engine 924.9,

AR20.10-B-2460TJA

Engine 926.9

AR20.10-B-2460TJ

Engine 904.9, 906.9

AR20.10-B-2460TA

Coolant thermostat

Number

Designation

Engines 457.9, 460.984

Engines 902.9, 904.9, 906.9

BE20.10-B-1001-02B

Nominal temperature

o C

83

83

Beginning of opening

o C

81...85

81...85

Coolant thermostat

Number

Designation

Engines 924.9, 926.9

BE20.10-B-1001-02B

Nominal temperature

o C

83

Beginning of opening

o C

81...85

Coolant thermostat

Number

Designation

Engines 457.9, 460.984

Engines 902.9, 904.9, 906.9

BE20.10-B-1002-02B

Main valve

Maximum opening

o C

95

95

Minimum stroke

mm

8

8

Coolant thermostat

Number

Designation

Engines 924.9, 926.9

BE20.10-B-1002-02B

Main valve

Maximum opening

o C

95

Minimum stroke

mm

8

Coolant thermostat

Number

Designation

Engines 457.9, 460.984

Engines 902.9, 904.9, 906.9

BE20.10-B-1003-02B

Short circuit valve

Fully closed

o C

92

92

Stroke

mm

6...7,5

6...7,5

Coolant thermostat

Number

Designation

Engines 924.9, 926.9

BE20.10-B-1003-02B

Short circuit valve

Fully closed

o C

92

Stroke

mm

6...7,5

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