Remove/install air intake pipe

AR09.10-D-8131TSC

Remove/install air intake pipe

20.12.2018

Engine

274 in model 907

19

Cap

20

Electrical line

21

Electrical connector

22

Alternator

1

Air intake pipe

4

Vent line

26

Valve

2

Wide open throttle crankcase ventilation system

5

Clip

3

Oil separator

6

Screws/bolts

1

Air intake pipe

9

Vent line

12

Marking

7

Vacuum line

10

Clamps

8

Vent line

11

Clip

2

Wide open throttle crankcase ventilation system

13

Brackets

14

Screw/bolt

2

Wide open throttle crankcase ventilation system

15

Purge line

17

Distributor

14

Screw/bolt

16

Screw/bolt

18

Sealing ring

 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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Clamp off ground line of on-board electrical system battery (G1).

AR54.10-D-0029TS

2

Remove left engine carrier.

AR22.10-D-4350TSC

3

Release and disconnect electrical connector (21) on alternator (22).

4

Remove cover (19).

5

Unscrew nut and detach electric line (20) from alternator (22).

 Nut, line to alternator

*BA15.40-N-1002-01X

6

Release and disconnect electrical connector of valve (26).

7

Remove screws/bolts (6).

 Bolt, oil separator to crankcase

*BA01.20-N-1006-01W

8

Remove oil separator (3) from crankcase.

 Installation: Replace seal.

9

Open clamp (5) and push on the vent line (4) in the direction of the oil separator (3).

 Hose clamp pliers

*454589003700

10

Remove vent line (4) from charge-air distributor.

11

Remove purge line (15) on distributor (17).

12

Remove screw/bolt (16).

 Screw/bolt, housing vent to charge air distributor

*BA09.41-N-1005-01V

13

Remove distributor (17) from charge-air distributor.

 Installation: Replace sealing ring (18).

14

Remove engine air intake duct downstream of air filter.

AR09.10-D-8130TSC

15

Remove vacuum line (7) from air intake pipe (1).

16

Remove vent line (8) from air intake pipe (1).

17

Remove vent line (9) from air intake pipe (1).

18

Remove clamps (10).

19

Release clamp (11).

 Installation: Position screw part of the clamp (11) for marking (12) on the air intake pipe (1).

20

Remove air intake pipe (1).

21

Remove sealing ring between air intake pipe (1) and exhaust gas turbocharger.

 Installation:
The sealing ring must first be inserted in the air intake pipe (1) so that crushing of the sealing ring during installation is avoided.
Parts of the crushed sealing ring can otherwise be sucked in and severely damage the exhaust gas turbocharger.

 Installation: The sealing ring must be replaced after every removal. The inside diameter of the sealing ring as well as the fitting of the exhaust gas turbocharger must be wet well with lubricant before assembly.

Lubricant

*BR00.45-Z-1032-06A

22

Remove wide open throttle crankcase ventilation system (2) from the brackets (13).

23

Remove screw/bolt (14).

 M6

*BA00.10-N-1002-01A

24

Remove wide open throttle crankcase ventilation system (2) together with the air intake pipe (1) and the oil separator (3) upwards.

 The air intake pipe (1) can only be removed together with wide open throttle crankcase ventilation system (2) and the oil separator (3).

 Installation: Ensure correct installation position.

25

Install in the reverse order



Check

26

Check engine oil level; correct if necessary.



Specified engine oils (service) - Overview

BB00.40-P-0223-02A



Engine 274.9 in model 907
except code C6L (Multifunction steering wheel)

AP18.00-D-1812TSF



Engine 274.9 in model 907
with code C6L (Multifunction steering wheel)

AP18.00-D-1812TSE

 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

27

Perform engine test run. While doing so, check engine for proper operation and leak tightness.

 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

 Crankcase ventilation, cylinder head cover

Number

Designation

Engine 274

BA01.20-N-1006-01W

Bolt, oil separator to crankcase

Nm

9

 Charge air distributor

Number

Designation

Engine 274 in model 907

BA09.41-N-1005-01V

Screw/bolt, housing vent to charge air distributor

Nm

6

 Alternator

Number

Designation

Engine 274 in model 907

BA15.40-N-1002-01X

Nut, line to alternator

M8

Nm

15

Repair materials

Number

Designation

Order number

BR00.45-Z-1032-06A

Lubricant

A 000 989 08 60