Rotax 914 Series Maintenance Manual page 41

1) General note
This section lists the periodic inspections which must be carried out after a specified
periods of operation.
Periodic inspections are those which must be performed at 50, 100, 200, 600 and 800
hr. intervals in accordance with 05-20, sec. 2.2.
This means for instance that every 100 hr. of operation or 1 year whichever comes first,
a 100 hr. check must be carried out.
100h / 300h / 500h / 700h / 900h / 1100h ->
200h / 400h / 800h /1000h
600h
800h
Additionally, a 25 hr. inspection must be performed at 25 hours of operation of a new
or overhauled engine. This applies to both new engines and overhauled engines.
◆ NOTE:
The manufacturer also recommends the following inspections whenever maintenance
is carried out (where not already prescribed by the airframe manufacturer, as possible
malfunctions could have negative effects on engine operation on engine operation.
- Inspection of the engine cowling, checking for discoloring and warping (danger of
overheating).
- Inspect / re-tighten the exhaust fixation on the cylinder head after the first 2 hours
of operation.
- Inspection of the exhaust unit (risk of fracture, wear on the cylinder head, where
necessary, replaced application of LOCTITE Anti Seize).
- Inspection of the fuel filter in the airframe. Check for foreign bodies, check sealing-
material and that there is no loose fragmented material (could cause the engine to
misfire).
- Inspection of the battery. Check acid concentration for each cell (could cause
problems on starting the engine).
- Check for oil contamination. Analyse the oil. Analysis of the oil provides additional
information on the condition of the engine/possible wear.
- Inspect all radiators and lines for damage. Check for discoloration - and cracks.
- Check that the propeller is undamaged and runs true. Carry out dynamical balancing
including verification of propeller track.
Effectivity 914 Serie
Edition 1 / Rev. 1
BRP-Rotax
MAINTENANCE MANUAL
SECTION 05-20
SCHEDULED MAINTENANCE CHECKS
This maintenance schedule contains a column for a 50 hr. check. This
check is recommended by the manufacturer but not essential, with the
exception of oil change when operating with leaded AVGAS.
100 hr. inspection
-> 200 hr. inspection
-> 600 hr. inspection
-> 800 hr. inspection
05-20-00
page 1
Sept. 01/07