SECTION 17.
SAILPLANE REPAIRS
TECHNICAL SERVICE MANUAL
SZD-54-2
„Perkoz”
page 17.14
Allstar PZL Glider Sp. z o.o.
Doc No. 542.4.02
Issue II
April 2014
Revision
corrected
17.3.4.
Fuselage central section skin repair
– zone II
NOTE:
In case of holes in the shell of diameter smaller than
3,15” and
lack of access from the inside it is recommended to wet repair.
In case of holes in the shell of diameter larger than
3,15” it is
recommended to dry repair.
17.3.4.1.
Wet repair
make supporting plate 3
× 92125,
make edge chamfer 30
× h,
stick composite supporting plate from the inner side,
laminate fabrics acc. to Fig. 17
‒1. and Fig. 17‒15.
NOTE:
Instead of the last layer 92140 apply two layers of fabric 92110.
Fig. 17-15. Wet repair
17.3.4.2.
Dry repair
smooth the hole edges and make them regular shape,
form composite shell piece of similar curvature (next to the damaged area or on
another sailplane specimen, laminating fabrics acc. to Fig. 17
‒1.),
make a chamfer on the damaged edge at length of 1,6
”
adjust formed composite piece to chamfered edge,
paste composite piece in fuselage shell and exert a pressure with bands (wrap
fuselage),
laminate 1
× 92110 in gluing areas from inner and outer side.
