SECTION 17.
SAILPLANE REPAIRS
TECHNICAL SERVICE MANUAL
SZD-54-2
„Perkoz”
page 17.18
Allstar PZL Glider Sp. z o.o.
Doc No. 542.4.02
Issue II
April 2014
Revision No. 2
May 2017
corrected
In case of sandwich trough damage (Fig. 17
‒21.), repair should be performed
as follows:
-
Remove damaged parts of the structure, increase hole dimensions to a =
4,8”,
b =
2,4”,
-
On undamaged fuselage part, near to place of repair, laminate supporting plate,
structure 2x92140, bigger than hole by d =
1,2” in each direction,
-
Stick supporting plate on composition with aerosil. Pull it outwards by wire or
suction cup, harden glue joint,
-
Widen outer shell and foam hole in fuselage axis by c =
3,6”,
-
Chamfer outer shell acc. to Fig. 17
‒18.,
-
Fill in the hole in inner shell with 2 fabric layers: 1x92140 and 1x92145,
-
Reconstruct remaining layers of shell by laminating 2x92145,
-
Fit the new foam into the hole and paste it on composition with microballoon like in
item 17.3.5.1.2.,
-
Further operations acc. to item 17.3.5.1.1.
17.3.5.2.
Area of detail “A” on Fig. 17‒1.
17.3.5.2.1.
Sandwich outer shell damage
(shallow dent, shallow or deep foam damage)
Fig. 17-23. Damage to sandwich outer
shell, detail “A”
2