Check radiator for outside contamination, clean if required

AP20.20-T-2052CB

Check radiator for outside contamination, clean if required

5.3.03

1

Open engine compartment flap at rear and last left rear maintenance flap

2

Swivel charge air cooler into maintenance item

AP09.41-T-0952-01CB



Testing

3

Check radiator (7) for outside contamination

 The disks must not be clogged with dirt.

Clean if required: step 4.1,
(subject to separate repair order).



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.