TM 1-1500-204-23-11
Figure 3-23. Industrial Hypodermic Syringe and Needles
(2) Sealant Gun. Sealant guns, such as the
and air hose. The cartridge and retainer barrel
SEMCO Model 250, are used for pressurized injection
come in various sizes. However, the 2 1/2 ounce
of liquid resin into delaminated and disbonded areas.
size is recommended for injection repair applications.
The gun is used with a regulated pressure source. The
Nozzles come in various oriice sizes and lengths. The
regulated pressure source is mandatory to prevent
1/16 inch oriice nozzle is recommended for injection
damaging assemblies during the injection process.
repairs which utilize 1/8 inch diameter injection holes.
This equipment consists of the sealant gun, disposable
This allows sealing of the nozzle in the injection hole
cartridge, cartridge nozzle, and metallic retainer barrel
during the injection process. See igure 3-24.
Figure 3-24. SEMCO Model 250 Sealant Gun
(3) Vacuum Cup. These are used for vacuum
the disbond or delamination is too close to the edge of
injection of liquid resin in fastener hole delaminations,
the part to allow injection holes to be drilled, or when
edge delaminations and disbonds. It is useful when
little or no airlow is possible. The equipment can be
