Operating instructions

7.9 Exhaust Turbocharger
7.9.1 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 166)
2. Remove air filter.(→ Page 149)
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.
M015412/03E 2012-02 | Task Description | 145
TIM-ID: 0000034852 - 001