Drain/pour in coolant

AR20.00-D-1142TSC

Drain/pour in coolant

12.05.2020

Engine

274 in model 907

1

Drain valve

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 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.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

Notes on coolant level

AH20.00-P-1142-01CW

Drain off

1

Raise vehicle.

AR00.60-D-1000-04TS

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01TS

2

Open cap slowly, relieve overpressure and unscrew from coolant expansion reservoir.

3

Attach drain hose at drain valve (1).

 Cooler vacuum filling device

*285589002100

4

Open drain valve (1) and drain off coolant.

5

Close drain valve (1).

 Drain screw at cooler (reference value)

*BA20.20-N-1001-01B

6

Remove drain hose.

Pour in

7

Pour in coolant and bleed engine cooling system.

AR20.00-D-1142-03TSC

 Coolant

*BF20.00-N-1001-01K

 Mixture ratio for coolant

*BF20.00-N-1001-04A

 Cooler vacuum filling device

*285589002100

 Test cap

*210589009100



Check

8

Check engine cooling system for leak tightness.

AR20.00-D-1010TSC

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

9

Perform engine test run; in this connection, check engine cooling system for proper operation and leak tightness.

 Cooler, coolant hoses, coolant lines

Number

Designation

Engine 274 in model 907

BA20.20-N-1001-01B

Drain screw at cooler (reference value)

Nm

3

 Engine cooling

Number

Designation

Engine 274 in model 907

BF20.00-N-1001-01K

Coolant

Total filling capacity

Liter

10,4

Corrosion/antifreeze down to -37 °C

Liter

5,2

Corrosion/antifreeze down to -45 °C

Liter

5,7

Sheet

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-06A

Sheet

BB00.40-P-0326-06A

Sheet

-

 Mixture ratio for coolant

Number

Designation

Engine all (BUS, Heavy transporter, Light transporter, TRUCK, UNIMOG)

BF20.00-N-1001-04A

Mixture ratio for coolant

Antifreeze/water down to -37 °C

%

50/50

Antifreeze/water down to -45 °C

%

55/45

Sheet

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-00A

Sheet

BB00.40-P-0325-05A