7.16.5 Charge-air 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
(→ Tools Catalog)
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.
Charge-air coolant – Sample
extraction and analysis
1.
With the engine running, open drain valve.
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.
5.
Using the equipment and chemicals of the
MTU test kit, examine coolant for:
• antifreeze concentration;
• corrosion inhibitor concentration;
• pH value.
6.
Change charge-air coolant according to the
intervals specified in the MTU Fluids and
Lubricants Specifications (→ Page 114).
MS150064/01E 2011-11 | Task Description | 119
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