Technical data

6–48 Cooling System, LT Circuit

6.16 Cooling System, LT Circuit

6.16.1 Charge-air coolant filling

Preconditions

• Engine is stopped and starting disabled.

• MTU Fluids and Lubricants Specification (A001061/..) is available.

Material

Designation / Use Part No. Qty.

Coolant

Spare parts

Designation / Use Part No. Qty.

Sealing ring

WARNING

Engine noise above 85 dB (A).

Risk of damage to hearing!

• Wear ear protectors.

CAUTION

Cold coolant in hot engine can cause thermal stress.

Formation of cracks in components!

• Fill / top up coolant only into cold engine.

Preparatory steps

1. Turn breather valve on coolant expansion tank

counterclockwise to first stop and allow pressure

to escape.

2. Continue to turn breather valve counterclockwise

and remove.

emove plug screw from filling point on coolant

line to intercooler.

Charge-air coolant filling

1. Fill treated coolant through filling line or through filler neck of coolant expansion t ank until coolant level

reaches marking plate.

2. Install plug screws of filling points with new sealing rings.

3. Check proper condition of breather valve and clean sealing faces, if required.

4. Set breather valve onto filler neck and close it.