Clean Grille, Radiator, Charge Air Cooler (CAC), Oil Cooler and Fuel Cooler — OOS

1. 
   TS266-UN-23AUG88

   
   PY18033-UN-11JUN14

   A - Grille

   Whenever dirt builds up on front grille (A), stop engine and brush clean.

   CAUTION: Reduce compressed air to less than 210 kPa (2 bar) (30 psi) when using for cleaning purposes. Clear area of bystanders, guard against flying chips, and wear personal protection equipment including eye protection.

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2. 
   PY18362-UN-02APR14

   
   PY18363-UN-02APR14

   A - Fuel Cooler (only for 5075E)

   B - Oil Cooler (only for PowrReverser™)

   C - Charge Air Cooler

   D - Radiator

   E - Wing Nuts (2 used)

   F - Wing Nuts (2 used)

   G - Screws (2 used)

   Clean fuel cooler (A), oil cooler (B) and front of the charge air cooler (C) at the installed condition.

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3. Remove wing nuts (E) from both sides.

4. Loosen the wing nuts (F) and screws (G). Slide the charge air cooler (C) along the slot at wing nuts (F).

5. Tilt charge air cooler about screw (G) until it is restricted.

6. Clean radiator (D) front surface.

7. If a more thorough cleaning is necessary, clean radiator from behind with compressed air or water. Straighten any bent fins.