Remove/install cylinder head cover trim panel

AR01.20-D-5015SG

13.12.11

ENGINES 642 in MODEL 639
Cover on the left cylinder head cover

ENGINES 642.896 /898 /992 /993 in MODEL 906
Cover on left cylinder head cover

D01.20-1018-06

Shown on engine 642.992 in model 906

1 Turbocharger silencer

2 Cover

3 Screw/bolt

4 Screw/bolt

5 Screw/bolt

6 Engine charge air duct

7 Ball head

8 Support

9 Soundproofing

S01.20-4521-01

Shown on ENGINE 642.890 in MODEL 639

10 Wiring harness

11 Front soundproofing

 	Remove/install
1	Remove windshield fluid reservoir windshield washer system and hand up to side	Only on model 906	AR82.35-D-6000SD
		 Do not detach lines connected
2	Remove turbocharger (1) noise damper	Engine 642 in model 639	AR09.40-S-6920SE
		Engine 642.896/898/993 in model 906	AR09.40-D-6920SG
		Engine 642.992 in model 906	AR09.40-D-6920SF
3	Remove rear engine cover	Only with engine 642 in model 639	AR01.10-S-2405SE
4	Remove bolts (3, 4)	Model 639
			*BA09.41-N-1004-01O
			*BA09.41-N-1005-01O
		Model 906
			*BA09.41-N-1005-01O
5	Undo screw (5) by about 3 revolutions	Model 639
			*BA09.41-N-1006-01O
		Model 906
			*BA09.41-N-1005-01O
6	Push engine charge air duct (6) to side	 Carefully push engine charge duct (6) to side to prevent damaging adjacent components.
7	Remove wiring harness (10) from bracket	Only on model 639
8	Unclip cover (2) upward	 Installation: The sound dampening (9) must be correctly positioned in the cover (2). Mounts (8) on cover (2) must engage in ball heads (7).
9	Remove front soundproofing (11)	Only on model 639
10	Install in the reverse order

 Charge air pipe/charge air cooling

Number	Designation		Engine 642


BA09.41-N-1004-01O	Bolt from engine charge air duct upstream of charge air cooler to cylinder head cover	Nm	9
BA09.41-N-1005-01O	Bolt from engine charge air duct upstream of charge air cooler to holder	Nm	9
BA09.41-N-1006-01O	Bolt from engine charge air duct upstream of charge air cooler to engine support	Nm	9