MAINTENANCE MANUAL
SAVANNAH VG AND
SAVANNAH XL
Applies to Generic Serial Number: yy-mm-51-xxx
OC FMM00
2.3. 100 hours / 12 months
To properly maintain the engine, it’s strongly recommended to follow the
engine manufacturer instructions and all Rotax service information
The 100 hours/12 months inspection requires that a 50 hours inspection
(25 hours plus the 50 hours adding checks) is carried out plus the checks
below stated
Thoroughly check the nose landing gear steering and shock absorbing systems; recover
excessive plays as required
Check the integrity of the front wheel column
Thoroughly inspect the firewall for corrosion, cracks, security and general condition
Fuselage: carefully inspect the fuselage interior and exterior for loose rivets, unproperly
tightened bolts, corrosion and panel deformations which can be caused by excessive
dynamic loads or hits
Flight controls: check for excessive play, worn components, attachment fittings for condition
Check the movable surfaces travel stops
Check the flaperon attachment fittings
Wings and wing struts: thoroughly check the wing skin for loose rivets, corrosion, panels
deformation and damage, inspect the wing leading and trailing edges; check all the bolts
and safety locks
Empennages: thoroughly the empennages skin for loose rivets, corrosion, panels
deformation and damage, inspect the empennages leading and trailing edges; check all the
bolts and safety locks
Drain and refill the engine oil
Check fuel main valve functionality:
Brake air plane with the wedge and with brake pedals
Start engine (3000 RPM) and close the fuel main valve (take out safety wire); wait until
engine stop
Open the fuel main valve and make again the safety wire.
Check the ball joints of the flap control rod by removing the stud and checking the wear of
the ball joints, the absence of clearances, the integrity of the stud and the ovalization of the
holes which connect to the moving surfaces
Check the inflating pressure of the tires, the wear of the treads and the presence of cuts or
abrasions on the tire itself
Visually check that there are no leakages in the brake pumps and cylinders
Check the wear of the 4 silent blocks of the engine mounting and the silencer springs
Check the integrity of the fuel pipe and of the piping for the water and oil radiators, radiators
attachments and no leakage present. Inspect then the structure of the engine mounting
(status of the welds) and the attachment bolts to the firewall