7.9 Charge-Air Cooling
7.9.1 Intercooler – Checking condensate drain for coolant discharge and
obstructions
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 for coolant discharge and
obstructions
1.
With the engine running, verify that air
emerges from the condensate drain bore(s)
at driving end, left and right engine side. If
no air emerges:
• Clean condensate 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 147).
2.
Bar engine manually (→ Page 131).
3.
Bar engine with starting system to blow out combustion chambers (→ Page 132).
4.
Install injectors (→ Page 147).
M015710/04E 2012-09 | Task Description | 161
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