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9.15 Coolant System, General, High-Temperature Circuit
9.15.1 Engine coolant level – Check
Preconditions
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Engine is stopped and starting disabled.
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MTU Fluids and Lubricants Specifications (A001061/..) are available.
DANGER
Falling from great heights.
Risk of serious injury – danger to life!
• When working high on the equipment, always use suitable ladders or work platforms.
• Use personal protective equipment.
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
Coolant contains antifreeze and is toxic.
Risk of poisoning and slipping!
• Avoid contact with eyes and skin.
• Do not inhale vapors or mist, wear breathing protection.
• Do not eat, drink, smoke when working with antifreeze.
• Wear protective clothing, protective gloves and goggles/safety mask.
• Wipe up escaped/spilled coolant immediately.
Checking coolant level at filler neck
1.
Turn valve cover of coolant expansion tank counterclockwise until the first stop and allow pressure to es-
cape.
2.
Continue to turn valve cover counterclockwise and remove.
3.
Check coolant level (coolant must be visible at the bottom edge of the cast-in eye in the filler neck).
Checking coolant level at exter-
nal cooler
1.
Check coolant level (coolant must be visible
at marker plate).
2.
Top up coolant if necessary (→ Page 285).
3.
Check and clean valve cover.
4.
Position valve cover on filler neck and close.
280 | Coolant System, General, High-Temperature Circuit | MS15065/01E 2019-01
TIM-ID: 0000043936 - 002