Cooling System, General, HT Circuit
43
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.
Engine 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 engine coolant according to the coolant
operating times specified in the MTU Fluids and
Lubricants Specification ( Page 6 41).
6.15.6 HT cooling pump relief bore check
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury danger to life!
Take special care when working on a running engine.
WARNING
Engine noise above 85 dB (A).
Risk of damage to hearing!
Wear ear protectors.
M015403/00E 02-09
© MTU
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Summary of Contents for 12V 4000 G 41
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Page 38: ...8 Maintenance Schedule Application Group 3A M015403 00E 02 09 MTU w w w g e n e r e n t r u...
Page 40: ...II Table of Contents M015403 00E 02 09 MTU w w w g e n e r e n t r u...
Page 116: ...58 Engine Governor Electronic Control System M015403 00E 02 09 MTU w w w g e n e r e n t r u...
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