Charge-Air Cooling; Intercooler - Checking Condensate Drain For Coolant Discharge And Obstructions - MTU 12 V 4000 G73 Operating Instructions Manual

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 conden-
sate drain(s) for coolant dis-
charge 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 100).
2. Bar engine manually (→ Page 84).
3. Bar engine with starting system to blow out combustion chambers (→ Page 85).
4. Install injectors (→ Page 100).
114 | Task Description | MS150029/02E 2013-03