MTU 12V4000L32F Operating Instructions Manual page 192

7.9 Coolant Circuit, General, High-Temperature Circuit
7.9.1 Engine coolant – Level check
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
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.
Checking engine coolant level
1. Read off fuel-optimized (→ Page 28) or emissions-optimized (→ Page 32) system filling pressure at pressure
gage.
2. Top up with treated coolant as necessary (→ Page 196).
192 | Coolant Circuit, General, High-Temperature Circuit | MS150104/03E 2017-09