Center Section Removal; Center Section Installation; Wing Installation - Thrush Aircraft S2R–T660 Maintenance Manual

CENTER SECTION REMOVAL

A. Support center section.
B. Remove fuselage skins and fairings to gain access to center section support areas.
C. Disconnect electrical wires, fuel lines, vents and control tubes.
D. Remove attach bolts from attach angles to wing and remove attach angles and rear bolt. (Fig. 7-15
or 7-17)
E. Remove the angle and link from lower fuselage longeron and leading edge support strap. (Fig. 7-
17)
F. Pull aft center section fitting down out of support clevis.
G. Maintain the center section in a trailing edge low attitude and lower unit from fuselage.

CENTER SECTION INSTALLATION

A. Install center section and wings in reverse order as outlined in removal. Note: If new attach angles
are to be fitted refer to Item D in this text.
B. Refer to Figure 2-7 for bolts and torques.
C. After installation check all electrical for proper operation, check fuel lines for security and
leaks, check control surfaces for bind-free operation and proper rigging. Reinstall all shear
panels, cowling and fairings.
D. With fuselage lower longeron removable link removed lift center section into place by sliding the
rear attaches into place and install rear bolts.
E. Install the removable link into fuselage and fuselage support angle.
F. Position center section with a .330 spacer between center section spar and longeron (Fig. 7-17).
Center the section left and right to attach angle tubes.
G. Clamp inboard attach angle into place, clamp to spar and fuselage.
H. With a fabricated bushing 5/16" outside #30 inside put bushing into fuselage bushings and use a
short #30 drill bit to mark attach angle. Also mark holes through spar.
I. Repeat the process for outboard angles.
J. After the angles have the holes marked use a drill press to drill the holes and debur.
K. Install attach angles.
L. Torque bolts.
M. Remove spacers and support.
N. Attach leading edge support strap to fuselage.

WING INSTALLATION

To install the wings reverse installation procedure.
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THRUSH AIRCRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
Effective: 01/10/05