DG Flugzeugbau GmbH
Flight manual DG-500M
4.3 B ff
3. C.G. Tow hook
a) check the ring muzzle of the C.G. hook for wear and function
b) check for cleanliness and corrosion
4. Main landing gear and nose wheel
a) check the struts, the gear box, the gear doors and the tyre for wear; dirt
in the struts can hinder the landing gear from locking over center the
next time!
b) check the tyre pressure
mainwheel: 3.0 bar - 44 psi
nose wheel: 2.5 bar - 36 psi
c) check wheel brake and cable for wear and function
5. Left wing
a) check locking of the outboard wing
b) check the aileron for excessive free play
c) check the wing flaps for excessive free play
d) check airbrake- and box and control rod for wear and free play. It must
be possible to retract the airbrake, even if it is pressed in backward
direction. If there is any water in the airbrake box this has to be
removed.
e) check the locking of the rear wing attachment pin
6. Power plant checks
a) all screwed connections and their securing
b) function of throttle and propellerbrake
c) ignition system incl. wires and the spark plug connectors for tight fit
d) toothed belt for wear and correct tension, sudden loss of tension
indicates damage of the engine assembly see item h)
e) engine restraining cables and their connections in the engine
compartment
f) fuel lines, electrical wires, bowden cables and structural parts for wear
and kinks
g) exhaust muffler, intake muffler, engine mount and accessories for tight
fit and any cracking, intake opening screens of intake muffler for dirt.
h) apply strong forward pressure to the propeller mount, to check if the
bolted connection between the propeller mount and the engine block
are loose or damaged.
Check the mounting points of the two GFRP struts for free play. No
free play is allowed.
Issued: April 1997 App. 4.9
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