Engine Coolant – Draining - MTU 6R 1600 G10F Operating Instructions Manual

7.10.3 Engine coolant – Draining
Preconditions
☑Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Engine oil
Sealing ring
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.
Preparatory steps
1. Provide a suitable container to catch the coolant.
2. Switch off preheater, if installed.
Engine coolant – Draining
1. Turn breather valve of filler neck on coolant
expansion tank counterclockwise to first
stop and allow pressure to escape.
2. Continue to turn breather valve counter-
clockwise and remove.
3. Draw off separated corrosion inhibitor oil in
expansion tank through the filler neck.
4. Remove drain plug (1) and drain coolant.
5. Insert drain plug with new sealing ring and use torque wrench to tighten to specified tightening torque.
Name
Drain screw
6. Place breather valve on filler neck and close.
Size Type
Tightening torque
(→ Spare Parts Catalog)
Lubricant
(Engine oil)
MS15022/03E 2014-02 | Task Description | 97
Part No. Qty.
Value/Standard
70 Nm