Bristell B23
Airplane Maintenance Manual
Chapter 57
Issue: 30-Sep-2020
Chapter 57 Page 3
57-20
Outer Wing
Outer part of the wing consists of 9 ribs and has trapezoid shape (see
Figure 1). There are 3 main attachments (positioned on the main spar;
one upper & two lower) and one rear attachment (positioned on the
rear spar) where outer wing is joined with the center section.
The fuel tanks are integrated part of the wing made from aluminium
sheet and their volume is 60 litres each. The tanks are located in the
outer wings between ribs No. 2 and 5 in front of the main spar. The
ribs and rear tank wall are structurally independent from the main
spar and wing ribs.
Removal
Tools needed:
wrench size:
7/8 in, 3/4 in, 1/2 in, 7/16 in
screwdriver
cutting pliers
hammer
▶
Remove the access cover plates between outer and
center wing.
▶
Disconnect aileron control push rod on the control lever
between center wing tip rib and root outer wing rib.
▶
Extend the flaps to maximum and disconnect rear
attachment bolts on rear spar and flap control push rods.
▶
Disconnect fuel lines, wiring and on left wing also pitot
tube hoses and trim tab wire.
▶
Remove all 4 nuts of main and rear attachments
▶
One person holds the wing on the winglet side, the
second person by the root on the leading edge side and
the third person holds the wing by the root on the
trailing edge
▶
Remove all 4 bolts of main and rear attachments, starting
by the bottom attachment bolt from the main spar
▶
Release the wing by slight lifting the wing tip upwards.
▶
By pulling the wing away from the fuselage, disconnect
the outer wing from the center wing.
▶
Position the disconnected wing in such a way that its
damaging cannot occur.
