MTU C23R Instrukcje Operacyjne Pobierz pdf (Strona 128)

Alternatively: Filling with cool-

ant through filler neck

1. Open vent points on distributor, oil heat ex-

changer and exhaust turbochargers (ar-

rows).

2. Add coolant to expansion tank until the

coolant level at top edge of filler neck re-

mains constant.

3. When coolant emerges from the vent

points, close vent points one by one, pro-

ceeding from the lowest point upwards.

4. Check proper condition of breather valve

and clean sealing faces if required.

5. Set breather valve onto filler neck and turn

until the first stop.

6. Start engine (→ Page 51).

7. After running the engine for 10 seconds un-

der zero load, stop engine (→ Page 52).

8. Turn breather valve counterclockwise and

remove.

9. Check coolant level (→ Page 122) and top

up engine coolant as required:

a) Repeat the steps from "Start engine"

(→ Step 6) until coolant no longer

needs to be topped up.

b) Check proper condition of breather

valve and clean sealing faces if re-

quired.

c) Place breather valve on filler neck and

close.

Final steps

1. Start the engine and run it under zero load for several minutes.

2. Check coolant level (→ Page 122) and top up engine coolant as required.

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MTU C23R Instrukcje Operacyjne Strona 128