ar2010b2460c

Remove/install coolant thermostat

Typ ar · Thema 20.10 · Version 0100 · 2016-02-12

Gültig für: Cumbustion engine 475 with Vehicle 696.369, 386.057, 386.035, 386.384, 386.389, 386.387, 382.073, 382.070, 695.034, 695.051, 386.058, 386.059, 664.290, 382.081, 382.087Cumbustion engine 476 with Vehicle 382.083, 397.058, 695.024, 695.052, 664.231, 664.238, 664.239, 382.084, 382.085, 388.025, 388.062, 388.364, 388.366, 388.368, 388.057Cumbustion engine 476.979 with Vehicle 388.054Cumbustion engine 476.980 with Vehicle 388.054

Nicht verfügbar in „de“; angezeigt wird Englisch.

Einordnung

Funktionsgruppe 1 Motor › 20 Motorkühlung › 20.10 Kühlmittelpumpe, Kühlmittelthermostat — Baureihe 382 (Baumuster 070, 073, 081, 083, 084, 085, 087) · Baureihe 386 (Baumuster 035, 057, 058, 059, 384, 387, 389) · Baureihe 388 (Baumuster 025, 054, 057, 062, 364, 366, 368) · Baureihe 397 (Baumuster 058) · Baureihe 664 (Baumuster 231, 238, 239, 290) · Baureihe 695 (Baumuster 024, 034, 051, 052) · Baureihe 696 (Baumuster 369)

EinPAS 15 Motor › 15.25 Motorkühlsystem › 15.25.30 Pumpe/Thermostat/Vorwärmgerät — Baureihe 382 (Baumuster 070, 073, 081, 083, 084, 085, 087) · Baureihe 386 (Baumuster 035, 057, 058, 059, 384, 387, 389) · Baureihe 388 (Baumuster 025, 054, 057, 062, 364, 366, 368) · Baureihe 397 (Baumuster 058) · Baureihe 664 (Baumuster 231, 238, 239, 290) · Baureihe 695 (Baumuster 024, 034, 051, 052) · Baureihe 696 (Baumuster 369)

Gilt auch für Motoren/Getriebe: 475 ***, 476 ***, 476 979, 476 980

AR20.10-B-2460C

Remove/install coolant thermostat

12.02.16

Cumbustion engine 475 with Vehicle 696.369, 386.057, 386.035, 386.384, 386.389, 386.387, 382.073, 382.070, 695.034, 695.051, 386.058, 386.059, 664.290, 382.081, 382.087

Cumbustion engine 476 with Vehicle 382.083, 397.058, 695.024, 695.052, 664.231, 664.238, 664.239, 382.084, 382.085, 388.025, 388.062, 388.364, 388.366, 388.368, 388.057

Cumbustion engine 476.979 with Vehicle 388.054

Cumbustion engine 476.980 with Vehicle 388.054

Remove/install coolant thermostat

B20.10-0012-07

1 Hose

2 Valve cap

3 Bolts

4 Rings

5 Valves

Remove and install

Danger!

Risk of accident by the accidental movement when the engine is operating. Risk of injury by being smashed and burns due to contact during the start up procedure or with the engine in operation

Ensure that the vehicle is prevented to make any non-voluntary movement. Use closed and well tight work clothes. Do not touch heated or moving parts.

AS00.00-B-0005-01A

Danger!

Risk of injuries to the skin and eyes due to burns caused by steam or overheated coolant. Risk of poisoning due to coolant ingestion

Open the cooling system only when the temperature is below 90 °C. Open slowly the cap and allow the pressure surplus to go out. Do not put coolant in beverage recipients. Wear gloves, appropriate clothes and protective goggles.

AS20.00-B-0001-01A

1

Disconnect the battery's negative wire or shutdown the general switch.

Unfasten the longitudinal girder cable bolt avoiding to unfasten it at the terminals.

2

Tilt the engine hood cover.

In the vehicles with chassis: 386.0; 386.3; 388.0

AR88.40-B-1000A

3

Open the engine rear cover.

In the vehicles (buses): 664.01; 664.1; 664.2

4

Drain the cooling system.

Collect the liquid and eliminate it in an environment friendly manner.

Bus

AP20.00-B-2080A

Trucks

AP20.00-B-2080B

5

Remove the hose (1) from the thermostat valve cap (2).

Check the hose (1) and the fastening clamp, if necessary replace them.

6

Unfasten the bolts (3) and remove the thermostat valve cap (2).

*BA20.10-B-1003-01C

7

Remove the sealing rings (4) and the valves (5).

During the installation, replace the sealing rings (4), and position the valves (5) with the ventilation orifice facing the highest part (see arrow).

Check

8

Check the opening of the thermostat valve.

If it does not correspond to the prescribed measures, replace it.

AR20.10-B-2455C

9

Install in the reverse order.

10

Reestablish the anti-corrosion/antifreeze products proportion.

Anti-corrosion and antifreeze liquids proportion.

Bus

AP20.00-B-2010A

Trucks

AP20.00-B-2010C

*BF20.00-B-1001-01B

11

Check the tightness of the cooling system.

AP20.00-B-2050D

Coolant pump, coolant thermostat

Número

Denominação

Engine 475.9; 476.9

BA20.10-B-1003-01C

Thermostatic valve housing cover

Nm

25

Filling quantities for engine cooling

Número

Denominação

Engine 475.9

Engine 476.950/960/971/974; 476.979/980/982/983

BF20.00-B-1001-01B

Cooling system - Approximate level

Do not mix products between classes

Liters

30

40

Anti-corrosive/antifreeze CLASS MB 325.0, MB 325.3

%

50

50

Product already diluted

Anti-corrosion/antifreeze product CLASS MB 326.3

-

-

-

Pressure in the system

bar

0,35...0,50

0,35...0,50

Vacuum in the system

bar

0,10

0,10

Filling quantities for engine cooling

Número

Denominação

Engine 476.977/978/981/985; 476.988/991/992

BF20.00-B-1001-01B

Cooling system - Approximate level

Do not mix products between classes

Liters

54

Anti-corrosive/antifreeze CLASS MB 325.0, MB 325.3

%

50

Product already diluted

Anti-corrosion/antifreeze product CLASS MB 326.3

-

-

Pressure in the system

bar

0,60...0,80

Vacuum in the system

bar

0,10

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