7.9.2 Compressor wheel – Cleaning
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Cold cleaner
X00056750
1
WARNING
Compressed air
Risk of injury!
• Do not direct compressed-air jet at persons.
• Wear protective goggles / safety mask and ear protectors.
WARNING
Chemical substances.
Risk of irritation and chemical burns!
• Always obey manufacturer's instructions for use!
CAUTION
Incorrect installation of components and lines.
Damage to component!
• Ensure that components/lines are installed so that they are never under tension or strain.
• Ensure correct installation position of components.
CAUTION
Unsuitable cleaning tool.
Damage to component!
• Observe manufacturer's instructions.
• Use appropriate cleaning tool.
Preparatory steps
1.
Drain engine coolant.(→ Page 169)
2.
Remove air filter.(→ Page 153)
3.
Remove exhaust system after exhaust turbocharger.
4.
Remove exhaust flap with actuators.
5.
Remove air intake.
Compressor wheel – Cleaning
Note:
Do not use wire brush, scraper or similar tools for cleaning!
1.
Clean compressor housing with paint brush or smooth brush.
2.
Clean compressor wheel and bearing housing with cold cleaner.
3.
Thoroughly blow out all parts with compressed air to remove cold cleaner.
Final steps
1.
Install air intake.
2.
Install exhaust flap with actuators.
3.
Install exhaust system after exhaust turbocharger.
4.
Install air filter.(→ Page 153)
5.
Fill with engine coolant.(→ Page 170)
150 | Task Description | MW15412/05E 2011-11
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