MTU C23R Provozní pokyny stáhnout pdf (Strana 122)

7.15 Coolant Circuit, General, High-Temperature Circuit

7.15.1 Engine coolant – Level check

Preconditions

☑Engine is stopped and starting disabled.

☑MTU Fluids and Lubricants Specifications (A001061/..) are available.

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.

Checking engine coolant level at filler neck:

1. Turn breather valve on coolant expansion tank counterclockwise to the first stop and allow pressure to

escape.

2. Continue to turn breather valve counterclockwise and remove.

3. Check engine coolant level (coolant must be visible at the bottom edge of the filler neck's cast eye).

Checking engine coolant level at

remote cooler:

1. Check engine coolant level (coolant must

be visible at marker plate).

2. Top up engine coolant if necessary

(→ Page 126).

3. Check and clean breather valve.

4. Place breather valve on filler neck and

close.

Checking engine coolant level via level sensor:

1. Switch on engine control system and check readings on the display.

2. Top up engine coolant if necessary (→ Page 126).

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MTU C23R Provozní pokyny Strana 122