Flush engine cooling system

AR20.00-S-1251PD

Flush engine cooling system

23.04.2019

Model

470 with engine 200

Model

470, 471 with engine 642, 699

Modification notes

22.08.2018

Repair materials and filling capacity reference modified, content updated.

Step 5

AR20.00-S-1142-03PS

 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

 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 coolant

AH20.00-N-2080-01A

Notes on coolant level

AH20.00-P-1142-01CW



Remove

1

Drain off coolant.

Model 470 with engine 200
Model 470, 471 with engine 699

AR20.00-S-1142P

Model 470, 471 with engine 642

AR20.00-S-1142PS

 Collect coolant with a suitable container.

 Commercially available devices/tools
Collecting pan

Flushing

2

Fill engine cooling system with fresh water.

Model 470 with engine 200
Model 470, 471 with engine 699

AR20.00-S-1142-03P

Model 470, 471 with engine 642

AR20.00-S-1142-03PS

 Engine 200, 699Coolant

*BF20.00-N-1001-01PD

 Engine 642Coolant

*BF20.00-N-1001-01PS

 Model 470, 471 with engine 642
Test cap

*210589009100

 Model 470 with engine 200
Model 470, 471 with engine 699
Adapter

*454589009100

 Cooler vacuum filling device

*285589002100

3.1

Install cap of coolant expansion reservoir.

Model 470, 471 with engine 642, 699

3.2

Install cap of coolant filler neck.

Model 470 with engine 200

4

Warm up engine at average engine speed to operating temperature.

 Maintain the operating temperature (approx. 80 °C) for approximately 5  min while the engine is running.

5

Switch off engine.

 Let engine cooling system cool down to at least 50 °C.

6

Drain fresh water.

Model 470 with engine 200
Model 470, 471 with engine 699

AR20.00-S-1142P

Model 470, 471 with engine 642

AR20.00-S-1142PS

 Collect fresh water with suitable container.

 Commercially available devices/tools
Collecting pan

If there are still coolant residues and contamination in engine cooling system,



repeat the rinsing process using fresh water until the coolant residue and contamination have been removed.



Install

7

Fill in coolant.

Model 470 with engine 200
Model 470, 471 with engine 699

AR20.00-S-1142P

Model 470, 471 with engine 642

AR20.00-S-1142PS

 Filling capacity for engine cooling system

Number

Designation

Engine 200 in model 470

Engine 699 in model 470, 471

BF20.00-N-1001-01PD

Coolant

Liter

 7,3

 11,1

Sheet

BB00.40-P-0325-07A

BB00.40-P-0325-07A

 Filling capacities for engine cooling system

Number

Designation

Engine 642 in model 470, 471

BF20.00-N-1001-01PS

Coolant

Total filling capacity

Liter

 10,0

Anti-corrosion protection/antifreeze down to ­37 °C

Liter

 5,0

Anti-corrosion protection/antifreeze down to ­45 °C

Liter

 5,5

Sheet

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

Sheet

BB00.40-P-0326-06A