Thrush Aircraft S2R-R1340 Maintenance Manual page 162

THRUSH AIRCRAFT, INC – MODEL S2R-R1340
for weight and balance (under the
cockpit). Use up to 3 ea. AN960-616
washers under either the fwd or aft
bushings to achieve the required
incidence angle.
C. When installing a new strut or new
strut parts, accomplish as follows:
1. With new strut(s) adjust fork ends
as required to bring the strut as
close as possible
fuselage attach without touching.
The strut should be centered fore
and aft with fork ends. The forks
should be shimmed with a P/N
40024-3 spacer and P/N 21194
washers as required (different
thicknesses are available) and at
7-16
AIRCRAFT MAINTENANCE MANUAL
Figure 7-9: Empennage Exploded View
to lower
B. Install left and right struts using AN5-
6A bolts on lower attach (strut to
fuselage) and AN6-12A bolts on
upper attach (strut to horizontal
stabilizer).
least one P/N 21194-C copper
crush washer. Then torque to 160
- 190 inch-pounds and align with
attach points simultaneously. The
lower strut/plates can now be
trimmed to fit if needed and drilled
with a .312 (5/16") drill bit and
bolted into place using AN5-6A
bolts. If only re-torque is required
and torque cannot be achieved
with old shims, the replacement of
the copper crush washer only
should be sufficient to regain
Effective: 01/01/08