Remove/install alternator

AR15.40-Y-5032A

Remove/install alternator

25.10.2019

Engine

400.954/956 in model 831.247

Alternator removal and refitment procedure

65

Alternator electrical connectors G6, G6.1 and G6.2

66

Alternator ground (brown color) connection

67

Alternator

 Danger

Risk of fire/risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning caused by swallowing battery electrolyte or absorption of lead through the skin or orifices. Risk of death due to voltage U >= 25 V AC and U >= 60 V DC.

No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing and glasses. Pour battery acid only into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

 

Remove/install

1

Switch off ignition.


Allow the engine to cool down to atmospheric temperature before starting any service procedure.
This may cause burm injuries.

 Secure the vehicle to prevent it from rolling.

2

Disconnect the battery negative terminal from the battery.

3

Remove poly-V-belt.

AR13.21-Y-1202A

4

Remove charge air cooler pipes and hoses.

AR09.41-Y-1332A

 Disconnect electrical connectors G6, G6.1 and G6.2 from alternator (65) by removing the nut.

 Electrical connectors G6, G6.1 and G6.2 to alternator

*BA15.40-Y-1004-02A

5

Remove ground (brown color) connection (66) from alternator by removing the bolt.

 Ground connection (brown color) to alternator

*BA15.40-Y-1003-02A

6

Remove alternator mounting bolt from oil filter housing.

 Alternator mounting bolt on oil filter housing

*BA15.40-Y-1002-02A

7

Remove alternator (67) by removing the mounting bolt and nut from alternator mounting bracket.

 Alternator to mounting bracket on crankcase

*BA15.40-Y-1001-02A

8

Install in the reverse order.

9

Check alternator.

AR15.40-Y-9301-02A

AR15.40-Y-0010-02A

 Charging system

Number

Designation

Engine 400.954/956 in model 831.247

BA15.40-Y-1001-02A

Alternator to mounting bracket on crankcase

Nm

65

 Charging system

Number

Designation

Engine 400.954/956 in model 831.247

BA15.40-Y-1002-02A

Alternator mounting bolt on oil filter housing

Nm

50

 Charging system

Number

Designation

Engine 400.954/956 in model 831.247

BA15.40-Y-1003-02A

Ground connection (brown color) to alternator

Nm

12

 Charging system

Number

Designation

Engine 400.954/956 in model 831.247

BA15.40-Y-1004-02A

Electrical connectors G6, G6.1 and G6.2 to alternator

Nm

30