Remove/install regulator for alternator

AR15.40-W-5760A

Remove/install regulator for alternator

14.2.12

16.6.11

Value modified: Nut, cover to terminal B1+ and B2+ for alternator

*BA15.40-N-1016-01B

 

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 cable from battery



Notes on battery

AH54.10-P-0001-01A

 Danger!

Risk of injury caused by body parts being pinched or crushed 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 on frame

5.1

Remove intake hose (1) on turbocharger

Model 374, 375, 950, 952, 953, 954, 958, 970, 972, 974, 975, 976

5.2

Remove air intake pipe

Model 957 without code (MS8) Natural gas engine

AR09.10-W-8131B

Model 957 with code (MS8) Natural gas engine

AR09.10-W-8131H

6

Detach electrical wiring harness with ground line (2) from alternator (G2)

 Remove cable ties

 Installation: Additionally secure safety clamp on plug with a cable tie.



*BA15.40-N-1015-01B

7

Take off cover (3) at alternator (G2)



*BA15.40-N-1006-01B



*BA15.40-N-1016-01B

8

Remove regulator (4)



*BA15.40-N-1007-01B



Checking

9

Check both slip rings in alternator (G2) for score marks; replace alternator (G2) if necessary

10

Check length of carbon brushes of regulator (4)

 Installation: Replace regulator (4) if necessary.

AR15.40-W-5033-02A

Length of carbon brushes

*BE15.40-N-1001-02C

11

Install in the reverse order

12

Set time and synchronize tachograph

Number

Designation

Engine
900.9, 902.9

Engine
904.9, 906.9 as of
end no. 190708

BE15.40-N-1001-02C

Length of carbon brushes

mm

5.0

5.0

Number

Designation

Engines
904.9, 906.9
as of end no. 190708,
Engine
900.9, 902.9

BA15.40-N-1006-01B

Nut/bolt, cover to alternator housing

Nm

4

BA15.40-N-1007-01B

Bolt, regulator to alternator housing

Nm

2

BA15.40-N-1015-01B

Nut, electrical line to alternator terminal B2+

Nm

30

BA15.40-N-1016-01B

Nut, cover to terminal B1+ and B2+ for alternator

Nm

15