Thrush Aircraft S2R-R1340 Maintenance Manual page 168

THRUSH AIRCRAFT, INC – MODEL S2R-R1340
J. Elevate the right wing and place in
position with the 1/2 inch temporary
spacer as was done with the left
wing. Align the holes in the right
wing spar web with the holes in the
center splice plate. Install the 3/16"
and ¼" bolts and fifteen each
countersunk screws
forward and secure with AN960 and
MS20002C washers and MS21042
locknuts. Bring the nuts up snug, but
torque only those which will be
inaccessible when the splice fittings
are installed.
Figure 7-13: Attach Angle Mounting to Spar Web
7-22
AIRCRAFT MAINTENANCE MANUAL
with heads
K. Install the right wing inboard attach
angle on the main spar web with ¼
inch NAS bolts,
MS20002C washers and MS21042
locknuts. Torque the locknuts per
Table 7-3, six places.
CAUTION
Be sure to
MS20002C washers such that
each countersink is mated with
the radius in the underside of
the NAS bolt heads.
AN960 and
orient the
Effective: 01/01/08