Remove/install alternator

AR15.40-P-5032R

Remove/install alternator

14.2.12

 

Remove/install

 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

1

Disconnect ground lines at the batteries

 Do not connect a quiescent current retention unit in order to avoid a short-circuit.

AR54.10-P-0003R



Notes on battery

AH54.10-P-0001-01A

2

Remove right air intake pipe (1)

3.1

Remove poly-V belt for supercharger

Model 230.472 /474

AR13.21-P-1202RVK

4

Remove poly-V belt (2)

AR13.22-P-1202R

5

Remove center engine compartment paneling

AR61.20-P-1105R

6

Disconnect electric cables (3, 4) at the alternator (G2)

 Installation: Observe routing of line (3).



*BA15.40-P-1001-01A

7

Remove bolts (5) of alternator (G2)



*BA15.40-P-1005-01A

8

Lift alternator (G2) up and out

9

Install in the reverse sequence

10

Carry out functional test

Number

Designation

Engine 112.91/92/94/
953/954/955/
96/97 except 112.976,
engine 113.94/96/98

Engine
113.963 in model 230

Engine
113.992/
995
in model
230

BA15.40-P-1001-01A

Nut, circuit B+ to alternator

Nm

18

14

18

BA15.40-P-1005-01A

Self-tapping bolt, alternator to timing case

Thread not pre-tapped

Nm

57

57

57

Thread pre-tapped

Nm

45

45

45