MTU C23R Instruções de Operação descarregar pdf (Página 132)

7.16 Low-Temperature Circuit

7.16.1 Charge-air 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 charge-air coolant lev-

el 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 counter-

clockwise and remove.

3. Check coolant level (coolant must be visi-

ble at marking plate).

4. Top up coolant if necessary (→ Page 135).

5. Check proper condition of breather valve,

clean sealing faces if required.

6. Fit breather valve and close it.

Checking charge-air coolant level by means of level sensor:

1. Switch on engine control system and check display (coolant level is automatically monitored by engine

control system).

2. Top up coolant if necessary (→ Page 135).

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MTU C23R Instruções de Operação Página 132