AP20.20-T-2052CB | Check radiator for outside contamination, clean if required | 5.3.03 |
ENGINE 457.944 in MODELNMB613.367
T09.41-0048-02
1 Charge air cooler
7 Radiator
T20.20-0066-11
Illustration with view in left rear engine compartment
7 Radiator
8 Propeller shaft of fan drive
1 | Open engine compartment flap at rear and last left rear maintenance flap | ||
2 | Swivel charge air cooler into maintenance item | ||
| Testing | ||
3 | Check radiator (7) for outside contamination | The disks must not be clogged with dirt. Clean if required: step 4.1, | |
| Cleaning | ||
4.1 | Clean inside and outside of radiator (7) | Blow out light contamination with compressed air or spray out with water. Spray out heavy contamination with a steam cleaner. In order to avoid damage, guide water jet at right angle and with adequate distance to the disks, spray out the inside (arrows) with a slanted nozzle. Do not point the water jet to the propeller shaft (8) of the fan drive, otherwise the lubricant is washed out. |