Remove and installing the alternator

AR15.40-W-5032B

14.2.12

ENGINE 541.9## ## up to 177213 in MODELS 950, 952, 953, 954

ENGINE 542.9## ## up to 177213 in MODELS 950, 952, 954

W15.40-1072-06

1 Trim panel

2 Wiring harness

3 Support

3.1 Socket

4 Belt pulley

5 Bracket

G2 Alternator

Modification notes

19.3.04

Work procedure reworked.

Steps 4 to 13

 	Removal/installation
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 of battery
	Notes on the battery		AH54.10-P-0001-01A
3	Remove bottom noise encapsulation
 Danger!	Risk of injury caused by pinching or jamming when working on loaded springs or spring bodies	Use only approved clamping devices; shield off hazard area if necessary. Inspect special tools for damage and proper operation (visual inspection). Wear protective gloves.	AS00.00-Z-0001-01A
4	Release the tension on poly-V-belt and remove the belt pulley (4) on the alternator (G2)	 Installation: Check condition of poly-V-belt and replace if necessary
		Observe poly-V-belt routing plan.	AR13.22-W-3902-02A
		Damage patterns of poly-V-belt	AP13.22-D-1351-01A
5	Remove cable tie and take cover (1) off the alternator (G2)
6	Remove tie straps and take off electrical wiring harness (2) on bracket (5)
7	Remove electrical wiring harness (2) on alternator (G2)		*BA15.40-N-1003-01C
			*BA15.40-N-1004-01C
			*BA15.40-N-1010-01C
			*BA15.40-N-1011-01C
8	Remove alternator (G2) on carrier (3) and take out in a downward direction	 A spacer washer is installed for some alternators (G2); observe the installation position of this spacer washer.
		 Installation: Check belt pulley (4) and fan wheel for alternator (G2) for damage and smooth running,
9		Replace belt pulley (4) and fan wheel. Counterhold the generator shaft with a socket wrench to do this.
			*BA15.40-N-1002-01C
		Push bushing (3.1) back into carrier (3) and insert alternator (G2).
			*BA15.40-N-1001-01C
10	Install in reverse order
11	Synchronize tachograph
12	Set clock
13	Enter radio code

 Alternator

Number	Designation			Engines 541.9, 542.9 through to end no. 177213


BA15.40-N-1001-01C	Bolt/nut for alternator on carrier	M10	Nm	50
		M12	Nm	80
BA15.40-N-1002-01C	Nut for belt pulley on generator	M161.5	Nm	80
BA15.40-N-1003-01C	Nut for electrical line on terminal B+ for alternator		Nm	8
BA15.40-N-1004-01C	Nut for electrical line on terminal B for alternator		Nm	6
BA15.40-N-1010-01C	Nut for electrical line on terminal W for alternator		Nm	4
BA15.40-N-1011-01C	Nut for electrical line on terminal D+ for alternator		Nm	2

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