Rework shield on turbocharger · sm0940b0004a · Mercedes-Benz WIS

SM09.40-B-0004A

Rework shield on turbocharger

12.02.16

Cumbustion engine 476.934 with Vehicle 628.01, 628.02, 628.21, 628.22

Cumbustion engine 476.935 with Vehicle 634.220

Class	Nr. Operation	Operation text
N	-	Replace the turbocharger oil pipe and the thermal protection
Time	Nr. accounting	Key word
-	-	-
	Remove
Danger!	Injury on skin and eye danger, due to handling incandescent or hot objects	The exposure to hot or incandescent objects without using protection equipment cause severe burn on skin and eyes. The contact of incandescent objects with water result in vapors or hot water splashes that can cause severe burn on skin and eyes. If hot or incandescent objects hit the unprotected skin or eyes, severe, and occasionally permanent injuries may happen.	AS00.00-B-0002-01A
1	Remove turbocharger and exhaust manifold thermal protection
	Remove / Install turbocharger thermal protection	Engine 476.93 (CNG fired engine)	AR09.40-B-6020-01A
2	Remove the turbocharger oil pipe together with the air compressor oil pipe	Before starting the air compressor and turbocharger oil pipe removal, it will be necessary to remove the turbocharger oil return pipe and the air compressor coolant pipe.
	Remove / Install turbocharger oil pipe	Engine 476.93 (CNG fired engine)	AR09.40-B-6020-13A
	Install
3	Install the new turbocharger and air compressor oil pipes	After installing the new air compressor and turbocharger oil pipe, install the air compressor coolant pipe and he turbocharger oil return pipe. Substitute the rings and the sealing gaskets.
		Check the corresponding part numbers on the list below.
	Remove / Install turbocharger oil pipe	Engine 476.93 (CNG fired engine)	AR09.40-B-6020-13B
4	Install the new exhaust manifold thermal protection	Due to a new thermal protection, it will be necessary to replace the exhaust manifold.
		Check the new thermal protection, exhaust manifold and screw numbers on the list below.
	Remove / Install turbocharger thermal protection		AR09.40-B-6020-01B
5	Install the new turbocharger thermal protection	Verify the new thermal protection and the screw numbers on the list below.
	Remove / Install turbocharger thermal protection	Engine 476.93 (CNG fired engine)	AR09.40-B-6020-01B

Part number	Description	Quantity / engine
A 447 130 02 58	Air compressor oil pipe	1 unit
A 447 180 07 20	Turbocharger oil pipe	1 unit
A 447 180 01 40	Oil pipe support	1 unit
N 000000 001069	Sealing ring	3 units
A 442 187 01 80	Sealing gasket	1 unit
N 910105 008027	Allen screw M8 - MBN 10105	6 units
A 447 090 00 34	Turbocharger thermal protection	1 unit
A 447 140 00 34	Exhaust manifold thermal protection	1 unit
A 447 140 01 34	Exhaust manifold thermal protection	1 unit
A 447 140 00 40	Exhaust manifold thermal protection	2 units
A 447 140 01 40	Exhaust manifold thermal protection	1 unit
N 916016 010209	Clamp	2 units
N 910105 008041	Screw	2 units
A 001 990 20 05	Threaded pin	4 units
A 000 990 28 52	Self-locking nut	6 units
A 447 094 00 82	Hose	1 unit
A 447 142 00 09	Exhaust collector pipe	1 unit
A 442 187 00 80	Sealing gasket	1 unit
A 447 200 46 52	Tube	1 unit
N 000000 001070	Sealing washer	2 units
N 915036 012101	Hollow screw	1 unit
N 915047 010100	Hollow screw	1 unit

B09.40-0029-06

Engine 476.935 on model 634.220

1 Turbocharger oil pipe

2 Turbocharger thermal protection

3 Exhaust manifold thermal protection

Referenced documents

ar0940b602001a Detach/attach shield at turbocharger
ar0940b602001b Detach/attach shield at turbocharger
ar0940b602013a Remove/install the oil line on the turbocharger
ar0940b602013b Remove/install the oil line on the turbocharger
as0000b000201a Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.