Hopper Gate Box Installation; Hopper Adapter Box Removal; Hopper Adapter Box Installation; Dispersal Equipment - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
Before installing gate box, be sure that all mating surfaces are clean and dry. For
maximum strength, apply 3M Scotch-Weld ™ DP-190 Translucent Epoxy adhesive
evenly to both mating surfaces and both sides of gaskets 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.
Excessive uncured adhesive can be cleaned up with ketone
type solvents. (When using solvents, extinguish all ignition
sources and follow the manufacturer's precautions and
directions for use for handling such materials.) Application of
adhesive to substrates should be made within 75 minutes
after mixing. Working life is 80 minutes. Higher temperatures
will reduce these times.
Allow 24 hours for sealer to cure before putting back into service. Reinstall tubes,
controls and cables and pump. Fill hopper and check for leaks. Water should be allowed
to stay in hopper for a minimum of two hours with no leaks.
Remove all bolts that attach adapter box to hopper throat. Pry the adapter box from the
hopper to release the grip created by the sealer used during assembly. Clean off all old
gasket material by scraping, being careful not to gouge the fiberglass hopper lip or
adapter box mating surfaces.
Reverse the removal procedure.
In conjunction with the manufacturer's instructions for maintenance of the spray dispersal
system, it is recommended that a periodic interval be established for accomplishment of
the following:
A. Inspect the hopper baffles for security and condition.
B. Inspect hopper lid for condition of seal and security of latches.
C. Inspect the hopper for indications of leaks and general condition.
D. Inspect hopper gate for evidence of leaks and proper operation.
9-4
AIRCRAFT MAINTENANCE MANUAL

HOPPER GATE BOX INSTALLATION

(See Figure 9-4)
* NOTE *

HOPPER ADAPTER BOX REMOVAL

(See Figure 9-4)

HOPPER ADAPTER BOX INSTALLATION

(See Figure 9-4)

DISPERSAL EQUIPMENT

Effective: 05/05/04