7.9 Charge-Air Cooling
7.9.1 Intercooler – checking condensate drain line for coolant discharge 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 - checking condensate
drain line for coolant discharge and
obstruction
1.
With the engine running, verify that air
emerges from the condensate drain line at
driving end, left and right engine side. If no
air emerges:
2.
Remove condensate drain line(s) and blow
out with compressed air.
3.
Replace obstructed drain line(s) by new
one.
4.
Install drain line(s).
5.
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 98).
2.
Bar engine manually (→ Page 80).
3.
Bar engine with starting system to blow out combustion chambers (→ Page 81).
4.
Install injectors (→ Page 98).
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