Wings; Wing Removal - THRUSH S2R – G10 Maintenance Manual

AIRCRAFT MAINTENANCE MANUAL
*NOTE *
Tapered shim(s) P/N 90220-
001 (.125" to .080") upper
attach shim or P/N 90221-001
(.100" to .075") lower attach
shim may be required on top
and/or lower attach to properly
align hinges during the string
alignment check.
B. Install the wire
allowing sufficient turnbuckle travel
to permit tensioning of the deflector
cable. Attach and tension cable to
35 ±3 Lbs.
C. Install the rudder using AN4-11A
bolts; connect navigation light ground
wire to rudder horn bolt, and connect
navigation light power wire. Install
rudder cables and check travel
19±1º left and right from center.

WINGS

WING REMOVAL

(See Figures 7-11 Through 7-14)
A. Park the aircraft in a closed door
hangar and secure the aircraft for
maintenance.
B. Disconnect the battery and external
power sources.
C. Gain access to the wing splice area
by removing the wing root fairings
and the necessary aircraft side and
belly panels.
electrical, fuel, spray and flight
control systems at points appropriate
for wing removal. Remove the spray
pump and bracket.
D. Support the weight of the wings at
the jack points located approximately
eight feet from the wing tips and
under inboard wing ribs to prevent
wing movement when the attach
bolts are removed.
7-18
Page
THRUSH AIRCRAFT, INC – MODEL S2R-G10
deflector cable
Disconnect the
*NOTE *
It is highly recommended that
mobile wing stands be used for
wing removal
Contact Thrush
Service Support for plans.
E. Remove the bolts holding the rear spar
to the fuselage, one place on each wing.
Remove the ¼ inch bolts securing the
left and right wing, inboard and outboard
attach angles to the spar webs, 12
places on each wing.
F. Back the locknuts off of the NAS bolts in
the splice fittings far enough to conceal
the end of the bolt threads. Spray the
bolt shanks with WD-40 or an equivalent
lubricant.
G. Remove the four each 1/4 inch bolts
securing the two locking sleeves to the
tube nuts (See Figure 7-12). Loosen the
lower splice fitting tube nuts.
nuts are loosened, the bolts will back out
of the holes. Once the tube nuts are off
of the lower bolts, loosen the upper tube
nuts to back them out of the holes. If
one of the bolts does not move, rethread
the tube nut onto this bolt and place a
spacer between the opposite end of the
tube and the spar cap (or NAS bolt).
Proceed, once again, to loosen the tube
nut and back the bolt out of the hole.
Remove tube
sufficient clearance.
CAUTION
Observe extreme care to avoid
damaging the spar cap and the
surface finish
through the spar cap.
*NOTE *
Adjusting the angle of the wings
with the wing jacks may assist in
wing bolt removal.
H. Place an aluminum block on the
smallest nut and with a 4X rivet gun,
and installation.
Aircraft, Inc.
As the
nuts after obtaining
of the holes
Effective: 03/26/2010