4.  
Retouch the paint protection covering on the damaged painted areas;

5.  
Check the operating condition.

5. Fuel system
1. Completely drain the fuel tanks; the drained gasoline can be used only after the lab analysis; 
2.
 Dismount the sieving element of the filter, clean and reinstall it;

3.
 Compressed air blow the fuel circuit pipes;

4.
 Replenish the fuel tanks;

5.
 Check for any leakage from the tanks or the fuel circuit; 

NOTE: Check for any clogging of the ventilation tube.
S.C. AEROSTAR  S.A.
FESTIVAL R40S
BACAU - ROMANIA
   AIRPLANE MAINTENANCE MANUAL
6. Anemo barometric circuit
1.
Remove the protection adhesive tape from the static and manifold air intakes;

2.
Drain and blow the anemo-barometric system pipes;

3.
Check the air tightness and check for any clogging in the channels.

7. Brake system
1.
 Remove the dirt from the brake straps and disks;

2.
 Check the brake fluid level in the tank and replenish;

3.
Check the effectiveness of the brakes; if necessary, re-ventilate the system;

4.
 Check for any leakage outside the system;

5.
 Check the good operating condition of the parking brake.

6.
Check the technical condition and lifetime of the brake pipes, and replace any inadequate pipes.

8. Airplane instruments
1. Check the condition of the airplane instruments.
9. Propeller
1. Check the condition of the propeller blades and clean them; if necessary, dismount the propeller spinner;
2.
 Clean the areas protected with preservation products with white spirit;

3.
 Check the secure fastening of the assembly.

10. Engine and engine compartment
1.
Remove the plug from the exhaust manifold;

2.
Remove the spark plugs for cleaning; check the distance between electrodes (0.7mm = 0,02 in.);

3.
Turn the propeller a couple of times;

4.
Mount the spark plugs (torque moment: 2 daNm). 

5.
Check the oil fluid level and the oil quality; if necessary, replace the oil;

6.
 Check, clean and reinstall the magnetic plug;

11.
Clean the joints of the engine controls with white spirit and grease them; 

12.
Recondition the protection coating on the engine mount.

13.
Check the technical condition and lifetime of flexible pipes and replace any inadequate pipes.

11. Final operations
1.
Carry out the checkups corresponding to preflight preparation;

2.
 Perform a checkup flight.

14.5.3. Long storage of airplane
　
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