Remove and install alternator

AR15.40-P-5032LA

Remove and install alternator

14.2.12

 

Removal/installation

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A



Notes on self-locking nuts and bolts

All models

AH00.00-N-0001-01A

 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 battery ground cable

AR54.10-P-0003I



Notes on battery

All models

AH54.10-P-0001-01A

2

Remove engine trim panel

Engines 275.950/ 951

AR01.10-P-2405LA

Engine 275.980

AR01.10-P-2405IM

Danger!

Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage bottles.

Wear protective gloves, protective clothing and eye protection.

AS20.00-Z-0001-01A

3

Drain coolant

AR20.00-P-1142H



Notes on coolant

All engines

AH20.00-N-2080-01A

4

Remove fan shroud

Engines 275.950/ 951

AR20.40-P-6800AC

Engine 275.980

AR20.40-P-6800IM

5

Hang in the radiator protective plate



Guard plate for radiator / condenser

Engines 112, 113, 137, 271, 272, 275, 285, 602, 604, 605, 606, 611, 612, 613, 628, 648

WF58.50-P-0110-01A

6

Remove poly-V-belt

AR13.22-P-1202L

7

Remove windshield washer fluid reservoir

AR82.35-P-6000M

8

Remove air pump (3)

AR14.30-P-7251L

9

Unbolt nut for line circuit 30 (B+) (1) and remove line



*BA15.40-P-1001-01I

10

Unlock clutch line terminal 61 (D+) (2) and detach

11

Close off the lower coolant hose on the coolant pump (4)

12

Close off the coolant hose on the connector (5) on the generator (G2)

13

Unscrew bolt (6) on the oil line holder on the generator (G2)

14

Unscrew bolt (7) on oil dipstick guide pipe holder (8)



*BA15.40-P-1006-01I



*BA15.40-P-1009-01I

15

Remove the oil dipstick guide pipe (8)

Installation: Replace gasket

16

Unscrew bolt (9) on the line holder on the generator (G2)



*BA15.40-P-1004-01I

17

Unscrew bolts on alternator (10)



*BA15.40-P-1003-01I

18

Lift generator (G2) up and out

 Installation: Replace the flange gasket (11)

19

Install in reverse order

20

Perform operational check

Number

Designation

Engine
275.950 in models
215.376,
220.176

Engine
275.980
in models
215.379,
220.179

BA15.40-P-1001-01I

Nut for circuit B+ on generator

Nm

12

12

BA15.40-P-1003-01I

Bolt for cooler housing of generator on crankcase

M7

Nm

14

14

M8

Nm

20

20

BA15.40-P-1004-01I

Bolt for cable bracket of electrical lines B+ on alternator

Nm

8

8

BA15.40-P-1006-01I

Bolt for cable bracket of oil dipstick guide tube on alternator

Nm

8

8

BA15.40-P-1009-01I

Bolt for cable bracket of oil dipstick guide tube on timing case

Nm

8

8