Remove/install alternator

AR15.40-S-5032EF

Remove/install alternator

14.08.2019

Model

447 with engine 622

Shown on engine 622.9

1

Cable

4

Electrical connector

7

Electrical connector

2

Front end crossmember

5

Nut

8

Radiator package

3

Bolts

6

Bolts

G2

Alternator

 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 caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

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-S-0003E

2

Remove charge air hose downstream of charge air cooler.

Model 447 with engine 622.9

AR09.41-S-8625EF

3

Remove charge air hose upstream of charge air cooler on charge air cooler.

Model 447 with engine 622.9

AR09.41-S-8621EF

4.1

Detach cable (1) at hood catch and place to one side.

Model 447 with engine 622.9

4.2

Detach air intake pipe at cooling module.

Model 447 with engine 622.8

AR09.10-S-8131EH

5

Remove bolts (3) and remove front end crossmember (2) at top at front module crossmember.

 Front end crossmember (2) remains on vehicle.

6.1

Remove crossmember below bumper together with lock carrier (2).

Model 447 with engine 622.9

AR62.30-S-1360E

6.2

Remove cooling module and swivel cooling module out of working area.

Model 447 with engine 622.8

AR20.20-S-3871EH



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

 Do not remove cooling module.

 Do not drain coolant and refrigerant.

7

Remove poly-V-belt from alternator (G2).

AR13.22-S-1202EF

8

Release and disconnect electrical connector (4).

9

Remove cap of nut (5).

10

Remove nut (5).

 Nut, positive line to alternator

*BA15.40-N-1002-01W

11

Release and disconnect electrical connector(7).

Model 447 with engine 622.9

12

Unlock upper locks of radiator package (8).

13

Detach radiator package (8) at right and swivel forwards.


Do not put lines and hose under tension.
Damage may occur otherwise.

 Two helpers required.

14

Remove screws (6) of alternator (G2).

 The screw/bolts (6) cannot be removed completely.

 Bolt, alternator to major assembly carrier

*BA15.40-N-1001-01W

15

Press back pilot bushings of alternator (G2) and remove alternator (G2) between radiator package (8) and front module crossmember.

16

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

 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

17

Perform engine test run and check alternator (G2) for proper operation.

AR20.00-S-1010E

 Alternator

Number

Designation

Engine 622 in model 447

BA15.40-N-1001-01W

Bolt, alternator to major assembly carrier

Nm

20

 Alternator

Number

Designation

Engine 622 in model 447

BA15.40-N-1002-01W

Nut, positive line to alternator

Nm

18