WATTS INNOVATIONS PRISM R.P.A.S., Руководство по эксплуатации самолета

Страница: 125 / 141

PRISM FLIGHT MANUAL
125
(i) PROPELLER BLADES
Inspect each propeller blade for any signs of cracks, wear or damage. Run fingers along
the leading and trailing edges of each propeller to feel for any dents or chips. Run fingers
along the top and bottom surfaces to inspect for deformation, cracks or rough areas.
Apply an axial and rotational bending force by hand to inspect the structural integrity of
each blade, especially looking for microfractures near the hub.
If necessary, remove the propeller in question and use fine grit sandpaper to remove any
imperfections.
Defects or damage on the propeller should be noted in the RPAS Maintenance Logbook.
The PIC should use their discretion as to whether the propeller is serviceable or should be
replaced.
If storing the propellers for extended periods (6 months or more), it is recommended
to remove them from the motor hubs and seal them in a plastic bag in a dry, neutral
environment.
Avoid prolonged exposure of the propellers to water, sulfur dioxide, nitrogen dioxide,
chlorine, organosilicon compounds, cyano group compounds, and phenols.
(ii) PROPELLER HUB
Inspect the top and bottom hub components for signs of damage or wear.
Inspect for any rotational, lateral or vertical play between the blade and the hub. Any play is
a sign of wear or loose bolts and is not tolerated.
The only movement observable should be the blade pivoting around the bolt.
(iii) PROPELLER BLADE REPLACMENT
In the event that a blade is damaged, or is deemed unserviceable, the blades should be
replaced as a pair.
The new blades should be installed with a washer on top and bottom.
Apply threadlocker to the M6 bolts and tighten until the blades cannot pivot.
Then release a quarter turn so that the blades can pivot smoothly.
The only movement observable should be the blade pivoting around the bolt.