SZD-54-2
„Perkoz”
TECHNICAL SERVICE MANUAL
SECTION 3.
TECHNICAL SPECIFICATION,
TOLERANCES AND
ADJUSTMENT
Issue II
April 2014
Revision
Allstar PZL Glider Sp. z o.o.
Doc No. 542.4.02
page 3.3
corrected
3.4.3.
Maximum allowable backlashes on sailplane main unit connection
fittings
Allowed backlash between bolt and opening or between socket and ball, in
wing-wing, wing-fuselage, wing-wingtip (plane, winglet or long wingtip) and horizontal
stabilizer-fuselage connections, is:
- for diameters up to 0,71
” inclusive
0,004
”
- for diameters greater than 0,71
”
0,006
”
3.4.4.
Maximum allowable radial backlash in control surfaces hinges
Allowable radial backlash in elevator, rudder
and ailerons hinges:
0,004
”
3.4.5.
Allowable play
– airbrake plates shift
Shift „h” (Fig. 2‒15.) should not be greater than
0,2
”.
This dimension is the result of all backlashes in airbrake control system.
Measurements should be made on assembled sailplane, separately on right and left
wing, with airbrake drive handle immobilized in
“open” position. Lift manually the
plate in top position within the scope of perceptible play and not pulling the cover
from the plate.
