Test turbocharger · ar0940t5910bb · Mercedes-Benz WIS

AR09.40-T-5910BB

Test turbocharger

7.3.01

ENGINE 457.944 in MODEL NMB613.358 /388

ENGINE 457.942 in MODEL NMB671.015 /020 /021 /030 /042 /332 /333

A09.40-0003-01

Shown on engine 457.944

1 Turbocharger

2 Rotor shaft

3 Turbine wheel

4 Compressor turbine wheel

A09.40-0004-01

	Inspect
 Danger!	Risk of accident as vehicle may start off by itself with the engine running. Risk of injury as working around the engine during start-up or while running may result in contusions and burns	Secure vehicle to prevent it from moving. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts.	AS00.00-Z-0005-01A
1	Start engine
2	Check turbocharger (1) for untypical noises and vibrations	 Untypical noises and vibrations can result through a defect of the turbine wheel (3) or compressor turbine wheel (4) or through leakage of the intake, compression or exhaust system.
3	Check intake line for leaktightness and condition	 The suction of foreign substances can damage the compressor turbine wheel (4).
	Intake line between air cleaner and engine - inspect for condition and leaks		AP09.00-T-0953A
4	Check compression and exhaust system for leaks
	Inspect exhaust system for leaks and proper condition		AP49.00-T-4950A
5	Switch off engine
6	Remove engine brake flap connection	Model 613.358/388	AR14.15-T-6302BA
		Model 671.015/020/021/030/042/332/333	AR14.15-T-6302AA
7	Remove air intake hose	Model 613.358/388	AR09.10-T-8030BA
		Model 671.015/020/021/030/042/332/333	AR09.10-T-8030AA
8	Check turbine wheel (3) and compressor turbine wheel (4) for damage through foreign substances	 If necessary clean exhaust connection and intake system and also:
		Remove/install turbocharger
		Model 613.358/388	AR09.40-T-6020BA
		Model 671.015/020/021/030/042/332/333	AR09.40-T-6020AA
9	Inspect axial play and radial play at rotor shaft (2)	 If during the test an impermissible play is determined, replace turbocharger. 	AR09.40-T-5910-01BB
		Remove/install turbocharger
		Model 613.358/388	AR09.40-T-6020BA
		Model 671.015/020/021/030/042/332/333	AR09.40-T-6020AA
10	Install air intake hose	Model 613.358/388	AR09.10-T-8030BA
		Model 671.015/020/021/030/042/332/333	AR09.10-T-8030AA
11	Install engine brake flap connection	Model 613.358/388	AR14.15-T-6302BA
		Model 671.015/020/021/030/042/332/333	AR14.15-T-6302AA

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