Maintenance Manual FK 9
B&F Technik Vertriebs GmbH
Revision 2
Section 2 Inspections
page 2
document code: des.003
2.3.
Regular Maintenance and Lubrication Schedule
The following actions must be performed after certain flight hours or time intervals as applicable.
There are some actions which must be done for the first time after the very first 2 / 10 / 25 flight hours. The regular
maintenance intervals are 100 / 200 / 500 flight hours or every year / every 2 / every 4 years.
Engine maintenance is not part of this manual, it must be performed additionally according to the respective engine
manual.
Download the latest, valid updated version of the maintenance plan from the FK-Service site!
Item
Interval
Check and tighten all engine connections (oil, coolant and fuel lines)
after the first 2
hours
Check oil level
Check cooling and brake system for leaks
after the first 10
hours
Check all screws
Check the screws (tight and secured) of the main gear beam to the fuselage
Check the propeller for blade synchronization and wear at the spinner
Item
100 200 500
Check engine vibration damper for cracks and wear
X
X
X
Treat the Bowden cables with Teflon spray
X
X
X
Check the screw connection of the main gear beam to the fuselage and gear-beam for no play
Change screws every 1000 landings
X
X
X
Check the propeller for synchronization, proper connection and wear
X
X
X
Check flight controls for wear, lubrication and bearings are secured
X
X
X
Check the trim for proper operation; the friction must be high enough to assure the trim does not move
without pilots action
X
X
X
Check fuel system for leaks, contamination, dirt. Change the fuel filter
X
X
X
Check nose wheel damper for cracks and wear
X
X
X
Check tail wheel for cracks and wear. Check nose / tail wheel steering for wear, corrosion, lubrication
X
X
X
Item
100 200 500
Check flaps for no play when retracted
X
X
X
Check flap handle for correct position
X
X
X
Check tires for wear and tire pressure
X
X
X
Check brake system for wear; hydraulic disc brake only: check for leaks,
change fluid every 2 years
X
X
X
Check elevator bearing bolts secured
X
X
X
ROTAX only: change carburetor flange
(with air box change required every 200 hours)
X
X
X
After 500 hours total:
check the rivets at the elevator
X
X
X
Air box: check all screws and mechanical parts tight
X
X
X
Change or clean air filter
X
Check Bowden cables of carburetors for lubrication and wear;
replace every 400 hours
X
Or every 2 years:
replace engine vibration damper
X
Check rudder cables for wear
X
Check bearings of flight controls and flaps for wear / play
X
Check bolts for wear and corrosion
X
Check Ceconite covered parts for condition of the skin
X
Or every 4 years:
replace all rubber tubes for fuel, oil and cooling liquid
X
Lubrication Schedule
Or every year:
Bearings nose-/tail wheel steering
X
X
X
Flight control linkage
X
X
X
Flight control bearings
X
X
X
Or every year:
Bolts
X
X
X
Engine control cables
X
X
X
