Test turbocharger · ar0940w5910j · Mercedes-Benz WIS

AR09.40-W-5910J

Test turbocharger

23.11.10

ENGINES 900.9 in MODELS 375.1, 970, 972, 975, 976

ENGINES 902.9 in MODEL 375.3, 950.5 /6, 952.5 /6, 953.6, 954.5

ENGINES 902.9 in MODEL 957 except CODE (MS8) Natural gas engine

ENGINES 902.9 in MODELS 375.1, 970, 972, 974, 975, 976

ENGINES 924.9 in MODELS 958.0, 970, 972, 974, 975, 976

ENGINES 925.9 in MODELS 970, 972, 974

ENGINES 926.9 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5, 957, 958.2

ENGINES 926.9 in MODEL 958.0

W09.40-1159-09

Shown on engine 926.9

1 Rotor shaft

2 Compressor impeller

3 Turbocharger compressor housing

6 Air intake hose

7 Turbocharger

4 Control unit

5 Air intake pipe

	Removing
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut.	AS60.80-Z-0001-01A
1	Tilt cab
	Notes on tilting the cab		AH60.80-N-0003-01A
2	Remove soundproofing on frame above on the right
3	Remove air intake hose (6)
4	Remove oil deposits by turning the rotor shaft (1) in turbocharger compressor housing (3)
	Checking
5	Check turbocharger compressor housing (3) and compressor impeller (2) for damage	 Possibly also replace turbocharger (7): 
		Engine 900.9, 924.9	AR09.40-W-6020JA
		Engine 902.9, 926.9 except in model 957 Engine 925.9	AR09.40-W-6020J
		Engines 902.9, 926.9 in model 957	AR09.40-W-6020JB
6	Check air intake hose (6), air intake pipe (5) and turbocharger compressor housing (3) for oil deposits
	Notes for evaluation of turbocharger in the event of engine blue smoke		AH09.40-N-0001-01A
7	Check rotor shaft (1) for easy and even running.	 Possibly also replace turbocharger (7): 
		Engine 900.9, 924.9	AR09.40-W-6020JA
		Engine 902.9, 926.9 except in model 957 Engine 925.9	AR09.40-W-6020J
		Engines 902.9, 926.9 in model 957	AR09.40-W-6020JB
8	Inspect axial play and radial play at rotor shaft (1)		AR09.40-W-5910-01J
		Axial play on rotor shaft	*BE09.40-N-1001-01G
		Radial play on rotor shaft	*BE09.40-N-1002-01G
		 Dial indicator	*001589532100
		 Dial indicator holder	*363589022100
		 Extension	*366589002105
		 Possibly also replace turbocharger (7): 
		Engine 900.9, 924.9	AR09.40-W-6020JA
		Engine 902.9, 926.9 except in model 957 Engine 925.9	AR09.40-W-6020J
		Engines 902.9, 926.9 in model 957	AR09.40-W-6020JB
9	Check control unit (4)		AR09.40-W-5910-02J
		 Testing unit	*124589152100
		 Possibly also replace turbocharger (7): 
		Engine 900.9, 924.9	AR09.40-W-6020JA
		Engine 902.9, 926.9 except in model 957 Engine 925.9	AR09.40-W-6020J
		Engines 902.9, 926.9 in model 957	AR09.40-W-6020JB
	Install
10	Check condition of the air intake hose (6); replace if necessary
11	Install air intake hose (6)
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
12	Allow engine to run and check in the area of the air intake hose (6), then stop engine	 Visual inspection.
13	Install soundproofing on frame above on the right
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut.	AS60.80-Z-0001-01A
14	Lower cab
	Notes on tilting the cab		AH60.80-N-0003-01A

Check values for turbocharger

Number	Designation		Engines 900.9, 902.9	Engine 924.9	Engine 925.9, 926.9


BE09.40-N-1001-01G	Axial play on rotor shaft	mm	0.1	0.1	0.1
BE09.40-N-1002-01G	Radial play on rotor shaft	mm	0.9	0.9	0.9

124 589 15 21 00

Dial indicator holder

Tester

Dial indicator

Extension

001 589 53 21 00

363 589 02 21 00

366 589 00 21 05

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