Hopper Gate Box Removal; Hopper Gate Box Installation - Thrush Aircraft S2R-R1340 Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2R-R1340
accelerate curing.
150°F for
recommended followed by ten or
more hours at 70°F.
F. Brush the resin generously over the
entire area. Apply alternate layers of

HOPPER GATE BOX REMOVAL

Ref. Figure 9-3
Remove the aircraft skins to gain access
to hopper gatebox bolts and nuts.
Disconnect dump fork,
adapter box and vent, emergency shut
off cable and spray pump. Remove the
nuts and bolts attaching the gate box to
the adapter box and pry off the two apart.
CAUTION
If bolts do not drive out easily,
turn bolts to break glue, and
then drive bolts out.
9-4
AIRCRAFT MAINTENANCE MANUAL
A maximum of
four hours is
Figure 9-2: Hopper Repair
spray tube,
fiberglass cloth and mat. Each layer
should overlap the preceding layer
approximately one inch. After each
layer is in place, use a squeegee
and/or roller to remove excess resin
and air voids.
Clean off all old gasket material by
scraping, being careful not to gouge
mating surfaces.

HOPPER GATE BOX INSTALLATION

Ref. Figure 9-3
Before installing gate box, be sure that all
mating surfaces are clean and dry. For
maximum strength, apply 3M Scotch-
Weld™ DP-190 Translucent
adhesive evenly to both mating surfaces
and both sides of gasket thoroughly.
Using alignment pins to hold gaskets in
place and to help align gate box, install
bolts using large area washer on hopper
side and tighten nuts.
Epoxy
Effective: 01/01/08