Operating instructions

7.15.6 Coolant – Sample extraction and analysis
Preconditions
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
MTU test kit
5605892099/00 1
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury – danger to life!
• Take special care when working on a running engine.
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
Engine noise above 85 dB (A).
Risk of damage to hearing!
• Wear ear protectors.
Coolant – Sample extraction and
analysis
1. With the engine running, open drain valve
(1).
2. Flush sample-extraction point by draining
approx. 1 liter coolant.
3. Drain approx. 1 liter coolant into a clean
container.
4. Close drain valve (1).
5. Using the equipment and chemicals of the
MTU test kit, check the coolant for:
• Antifreeze concentration
• Corrosion inhibitor concentration
• pH value.
6. For coolant change intervals, see (→ MTU
Fluids and Lubricants Specifications).
M015675/05E 2011-10 | Task Description | 111
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