Remove/install oil separator

AR01.20-S-9750PD

Remove/install oil separator

15.10.2019

Model

470, 471 with engine 699

Modification notes

11.10.2019

Method extended

Operation step 4

11.10.2019

Method modified.

Operation step 7

11.10.2019

Validity restricted.

Operation step 2

Shown with engine 699.301 except code MT2 (emissions class Euro 6d-TEMP N1 GR.III/N2)

1

Oil separator

5

Bracket

9

Coolant lines

2

Bracket

6

Retaining clips

10

Hose

3

Bolts

7

Screw

11

Bracket

4

Hose

8

Screw

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 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

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

 

Remove/install

1

Remove cover of the cylinder head cover.

AR01.20-S-5015P

 Installation: Install cylinder head bolt only after leak test

2

Remove holder (2).

Except code MT2 (emissions class Euro 6d-TEMP N1 GR.III/N2)

 To do this, remove screws/bolts (3).

 M6

*BA00.10-N-1002-01A

3

Remove hose (10) from oil separator (1).

4

Remove hose (4) from bracket (5).

 Installation: Check bracket (5) for damage.

Depending on the findings,



Install new bracket(5).

5

Release coolant lines (9).

 To do so, remove screws (8).

 M6

*BA00.10-N-1002-01A

6

Remove electrical wiring harness from oil separator (1).

 To do this, release retaining clips (6).

 Installation: Check retaining clips (6) for damage.

Depending on the findings,



replace retaining clips (6).

7

Remove fuel line from the bracket (11).

 Installation: Check holder (11) for damage.

Depending on the findings,



install new bracket (11).

8

Remove bolts_(7).

 Screw/bolt, oil separator to cylinder head cover

*BA01.20-N-1005-03PD

If necessary,



Press coolant lines (9) toward the rear.

9

Remove oil separator(1).

 To do this, press coolant lines (9) toward the rear.

10

Install in the reverse order.



Check

 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

11

Check for leaktightness when engine is running.

 Visual inspection only.

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

8.8

10.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

9

13

Phosphated

Nm

9

12

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

12.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

16

Phosphated

Nm

14

 Cylinder head cover

Number

Designation

Engine 699 in model 470, 471

BA01.20-N-1005-03PD

Screw/bolt, oil separator to cylinder head cover

Stage 1

Nm

5

Stage 2

Nm

10