7.18.3 Charge-air coolant – Draining
Preconditions
☑
Engine is stopped and starting disabled.
☑
Operating voltage is not applied.
☑
MTU Fluids and Lubricants Specifications (A001061/..) are available.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Sealing ring
(→ Spare Parts Catalog)
WARNING
Component is hot.
Risk of burns!
• Wear protective goggles.
WARNING
Coolant is hot and highly pressurized.
Risk of injury! Risk of scalding!
• Allow engine to cool down.
• Wear protective clothing, protective gloves, and safety glasses / facial protection.
Charge-air coolant – Draining
1.
Provide a suitable container in which to collect the charge-air coolant.
2.
Turn cover on coolant expansion tank counterclockwise until the first stop and allow pressure to es-
cape.
3.
Continue to turn cover counterclockwise and remove.
4.
Extract remaining charge-air coolant in the coolant expansion tank via the filler neck.
5.
Open drain valve (2) and drain charge-air
coolant at charge-air coolant pump.
6.
Unscrew drain screw (1) and drain charge-
air coolant at thermostat housing.
182 | Task Description | MS150120/00E 2014-11
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