A line of continuous repairs would materially
between the deepest point in the damaged area
weaken the blade structure. For an illustration of
and the reworked surface.
minor repairs to the aluminum alloy propeller
To remove damage from a blade, remove the
blade, refer to figures 8-16 and 8-17.
damaged metal and the adjacent area with die-
makers' rifflers and aluminum oxide paper. Work
the damage from the blade and smoothly blend
NOTE: The blade damage repair limits
the resulting depression into the surrounding blade
shown in figures 8-16 and 8-17 are examples
surface. Do not try to move any of the metal in
of repair limits found in maintenance
instruction manuals. Refer to the specific
the damaged area by cold-working. Repairs in a
maintenance instruction manual for the
given area on a blade are unlimited provided their
locations do not form a line of continuous repairs.
propeller that you are working on.
Figure 8-17.-Propeller rework guide.
8-19
