MTU 12 V 4000 G73 Operating Instructions Manual page 150

7.16.4 Charge-air coolant – Filling
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
Special tools, Material, Spare parts
Designation / Use
Charge-air coolant
WARNING
Coolant is hot and under pressure.
Risk of injury and scalding!
• Let the engine cool down.
• Wear protective clothing, gloves, and goggles / safety mask.
NOTICE
Cold coolant in hot engine can cause thermal stress.
Formation of cracks in components!
• Fill / top up coolant only into cold engine.
Preparatory steps
1. Turn breather valve (arrow) of coolant ex-
pansion tank counterclockwise until the
first stop and allow pressure to escape.
2. Continue to turn breather valve counter-
clockwise and remove.
150 | Task Description | MS150029/02E 2013-03
Part No. Qty.