Remove/install alternator

AR15.40-W-5032A

Remove/install alternator

14.2.12

 

Remove/install

1

Switch off ignition

 Danger!

Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices

No fire, sparks, open flames or smoking.

Wear acid-resistant gloves and clothing and safety glasses with side guards.

Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.

Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

2

Disconnect ground lead from battery



Notes on battery

AH54.10-P-0001-01A

 Danger!

Risk of injury caused by being caught or pinched as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.

AS60.80-Z-0001-01A

3

Tilt cab



Notes on tilting the cab

AH60.80-N-0003-01A

4

Remove right soundproofing at frame

5

Remove intake hose (1)

6

Remove charge air pipe

 Only for models 375, 950, 952, 953, 954, 970, 972, 974, 975, 976

AR09.41-W-1311D

7

Remove bracket (9) at carrier (6)

8

Release tension on poly-V-belt (3) and remove belt pulley from alternator (G2)

 Do not remove poly-V-belt (3).

AR13.22-W-1202A

9

Detach wiring harness (8) from alternator (G2)

 Observe color coded markings on electrical wiring harness (8).



*BA15.40-N-1010-01B



*BA15.40-N-1011-01B



*BA15.40-N-1012-01B

10

Remove bolt (2) on upper bracket for alternator (G2)



*BA15.40-N-1003-01B

11

Remove bolts (5) for carrier (6) on crankcase and remove carrier (6) with alternator (G2)



*BA01.40-N-1003-01C

12

Detach alternator (G2) at support (6)



*BA15.40-N-1002-01B

13

Inspect belt pulley of alternator (G2) for damage and concentric running

 Not when replacing the alternator (G2).

If wear is found:



Replace belt pulley for alternator (G2).

AR15.40-W-5710A

14

Install in the reverse order

15

Set time and synchronize tachograph

Number

Designation

Engines 900.9, 902.9, 904.9, 906.9

BA01.40-N-1003-01C

Bolt, alternator carrier at crankcase

Nm

100

Number

Designation

Engine
904.9, 906.9
up to end no..
190707

BA15.40-N-1002-01B

Nut, alternator to support

Nm

50

BA15.40-N-1003-01B

Bolt, alternator to bracket

Nm

65

BA15.40-N-1010-01B

Nut, electrical line to alternator terminal B+

Nm

8

BA15.40-N-1011-01B

Nut, electrical line to alternator terminal W

Nm

4

BA15.40-N-1012-01B

Nut, electrical line to alternator terminal B

Nm

7