8.11 Charge-Air Cooling
8.11.1 Intercooler – Checking condensate drain for water discharge and obstruction
DANGER
Components are moving or rotating.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Operate the engine at low load only. Keep clear of the danger zone of the engine.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
WARNING
Compressed air gun ejects a jet of pressurized air.
Risk of injury to eyes and damage to hearing, risk of rupturing internal organs!
• Never direct air jet at people.
• Always wear safety goggles/face mask and ear defenders.
Intercooler – Checking conden-
sate drain for water discharge
and obstruction
1.
With the engine running, check if air emerges
from drain bore(s) on the left and right sides
on engine driving end.
Result:
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 175).
2.
Bar engine manually (→ Page 158).
3.
Bar engine with starting system to blow out combustion chambers (→ Page 158).
4.
Install injectors (→ Page 175).
206 | Charge-Air Cooling | MS15035/00E 2018-08
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Summary of Contents for 12V4000M*3 series
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