7.9 Charge-Air Cooling
7.9.1 Intercooler – Check drain for coolant leakage and obstruction
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury – danger to life!
• Take special care when working on a running engine.
WARNING
Engine noise above 85 dB (A).
Risk of damage to hearing!
• Wear ear protectors.
WARNING
Compressed air
Risk of injury!
• Do not direct compressed-air jet at persons.
• Wear protective goggles / safety mask and ear protectors.
Intercooler – Check drain for
coolant leakage and obstruction
1.
Verify that air emerges from condensate
drain bore(s) on left and right engine sides
at driving end when engine is running. If no
air emerges:
• Clean drain bore(s)
• Blow out with compressed air
2.
If a large amount of coolant is continuously
discharged, the intercooler is leaking. Con‐
tact Service.
Emergency measures prior to engine start with a leaking intercooler
1.
Remove injectors (→ Page 78).
2.
Bar engine manually (→ Page 63).
3.
Crank engine on starting system to blow out combustion chambers (→ Page 64).
4.
Install injectors (→ Page 78).
92 | Task Description | MS150064/01E 2011-11
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