Engine Coolant – Sample Extraction And Analysis - MTU 12 V 4000 M53 Operating Instructions Manual

6.14.7 Engine coolant – Sample extraction and analysis
Preconditions
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
Special tools, Material, Spare parts
Designation / Use
MTU test kit
DANGER
Rotating and moving engine parts.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Only run the engine at low power. Keep away from the engine's danger zone.
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.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
Engine coolant – Sample extrac-
tion and analysis
1. Open drain valve (arrow) with the engine
running.
2. Flush sampling point by draining approx. 1
liter coolant.
3. Drain approx. 1 liter of engine coolant into
a clean container.
4. Close drain valve (arrow).
5. Use the equipment and chemicals of the
MTU test kit to check the coolant for:
• Antifreeze concentration
• Corrosion inhibitor concentration
• pH value
6. Engine coolant change intervals (→ MTU
Fluids and Lubricants Specifications).
198 | Task Description | MS150035/01E 2013-11
Part No.
5605892099/00
Qty.
1