LS10-s / LS10-st - DG Flugzeugbau

Flight manual <strong>LS10</strong>-s,-st
6. Power plant checks (only <strong>LS10</strong>-st)
a) Extend engine completely using the manual switch. The extension time
should not exceed 13 seconds!
b) Check the engine extension-retraction mechanism by operating it in both
directions.
c) Check all screwed connections and their securing.
d) Check ignition system incl. wires and the spark plug connectors for tight
fit.
e) Check engine retaining cable and its connections in the engine
compartment and at the engine.
f) Check fuel lines, electrical wires, and structural parts for wear and kinks.
g) Check exhaust muffler, mechanical fuel pump and accessories for tight fit
and any cracking.
h) Apply strong pressure to the engine in forward, backward and sideward
directions to check if the bolted connection between the engine block and
the engine mount or any thing else is loose or damaged. Also check the
rubber mounts of the engine.
i) Visual check of the propeller and mounting bolts. Check propeller swivel
bearing for wear of rubber elements and for free swivel travel.
j) Check decompression system: Check condition of the decompression
valve bowden cable at the engine mount for no kinks. Check condition of
the cable, thimbles and additional connections.
Move decompress lever into the “open” position. Turn propeller by hand
and check decompression.
k) Move decompress lever in the “closed” position. Turn the propeller 1
revolution by hand, check for compression and listen for abnormal
sounds which may indicate engine damage.
l) Drain condensed water from the fuel tank. The drainer is located behind
main landing gear box.
m) Check the outlet of the fuel tank ventline for cleanliness, the outlet is
located behind the landing gear box.
n) Check fuel system see detailed list on next page.
o) Check if the propeller-stopper will be pressed forward by its gas-strut.
The powerplant must be in the position propeller-stopper extended for
this check.
p) Check engine bay fire protection paint for cracks and delaminations.
q) Execute fuel system check, see instructions on next page.
r) Retract engine using the manual switch on the DEI-NT. Confirm that the
engine bay doors are closing properly.
Issued: October 2009 EASA app. 4.12